Information gathered from observing a plant that grows 3 cm over a two-week period results in

A. inferences

B. variables

C. hypotheses

D. data

Which of the following is NOT a characteristic of all living things?

a. growth and development

b. ability to move

c. response to the environment

d. ability to reproduce

An instrument that allows light to pass through the specimen and uses two lenses to form an image is a(an)

A. compound light microscope

B. Electron microscope

C. TEM

D. SEM

You state that the presence of water could accelerate the growth of bread mold.  This is a (an)

A. conclusion

B. hypothesis

C. experiment

D. analysis

Which of the following is a valid hypothesis for why a plant appears to be dying?

A. The plant is not being watered enough

B. The plant is being watered too much

C. The plant is receiving too much sunlight

D. All of the above

Which of the following is the best reason for using a scanning electron microscope?

A. ability to magnify objects that are larger than 0.2 micrometers.

B. ability to observe live organisms

C. ability to see 3D images of objects

D. ability to see movement in living cells

All living things maintain a balance within their cells and the environment through the process of

A. growth

B. development

C. homeostasis

D. evolution

Typically, the order in which the steps of the scientific method are applied is

A. observations, hypothesis, testing, theory, conclusion

B. observations, hypothesis, theory, testing, conclusion

C. observations, hypothesis, testing, conclusion, theory

D. observations, hypothesis, conclusion, testing, theory

A light microscope that has an objective lens of 10X and an ocular lens of 20X has a total magnification of

A. 30X

B. 200X

C. 300X

D. 2000X

Because it is often difficult to gather numerical data, _____ information is collected.

A. quantitative

B. qualitative

C. scientific

D. ethical

Brianna is testing the effect of blue-colored light on the growth of tomato plants.  Which is the independent variable in this experiment?

A. light color

B. light intensity

C. growth of plant

D. temperature of light

A researcher is interested in the effects of nitrate and phosphate on plant growth and sets up an experiment in which groups of five plants are given 1, 2, and 3 grams of nitrate and 1, 2, and 3 grams of phosphate in all combinations over a period of one month.  The researcher measures plant height and weight at the end of the experiment.  What is missing in this experimental design?

A. control

B. an independent variable

C. a dependent variable

D. a constant

A scientist noticed that the number of salamanders in ponds in the Rocky Mountains was declining.  This was a(n)

A. hypothesis

B. theory

C. observation

D. control

A structured procedure for collecting information to test a hypothesis is a(n)

A. principle

B. theory

C. control

D. experiment

The parts of an experiment in which conditions are kept the same is the

A. hypothesis

B. constant

C. conclusion

D. independent variable

_____ research is usually based on numerical measurments.

A. ethical

B. qualitative

C. quantitative

D. scientific

A group of organisms of different species living together in a particular place is called a

A. community

B. population

C. biome

D. habitat

Which of the following is a detrivore?

A. worm

B. vulture

C. plant

D. mushroom

[image]

Refer to the illustration above.  Level A is composed of

A. carnivores

B. herbivores

C. producers

D. omnivores

[image]

Refer to the illustration above.  The diagram shows a(n)

A. population

B. community

C. food web

D. energy pyramid

[image]Refer to the illustration above.  How much energy is available to the organisms in level C?

A. all of the energy in level A plus the energy in level B

B. all of the energy in level A minus the energy in level B

C. 10% of the energy in level B

D. 90% of the energy in level B

Which of the following is not part of the nitrogen cycle?

A. conversion of gaseous nitrogen into usable organic compounds by bacteria

B. conversion of nitrogen from decaying organisms into ammonia

C. nitrogen fixation

D. breathing in nitrogen gas from the atmosphere

An organism that uses energy to produce its own food supply from inorganic compounds is called a(n)

A. heterotroph

B. consumer

C. detritivore

D. autotroph

The total amount of living tissue within a given trophic level is called the

A. organic mass

B. trophic mass

C. energy mass

D. biomass

The snake that eats a frog that has eaten an insect that fed on a plant is a

A. first-level producer

B. first-level consumer

C. second-level producer

D. thrid-level consumer

What is the process by which bacteria convert nitrogen gas in the air to ammonium (NH₄)?

A. nitrogen fixation

B. excretion

C. decomposition

D. denitrification

What is the combined portions of Earth called in which all living things exist?

A. biome

B. community

C. ecosystem

D. biosphere

All of the members of a particular species that live in the same area are called a(n)

A. biome

B. population

C. community

D. ecosystem

An organism that cannot make its own food is called a(n)

A. heterotroph

B. chemotroph

C. autotroph

D. producer

Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called

A. decomposers

B. omnivores

C. autotrophs

D. producers

Nitrogen fixation is carried out primarily by

A. humans

B. plants

C. bacteria

D. consumers

What type of organism makes its own energy by using the chemicals in its habitat?

A. autotrophs

B. heterotrophs

C. chemoautotrophs

D. chemoheterotrophs

What is the term for each step in the transfer of energy and matter within a biological community?

A. energy path

B. food web

C. trophic level

D. food pyramid

Capillary action is the result of adhesion.  Adhesion is the

A. bond between water and another substance

B. bond between two water molecules

C. pulling toward the center of a water molecule

D. all of the above

What is the name of the structure that transports water in plants?

A. root

B. leaf

C. xylem

D. phloem

The process by which water is lost from plants is called

A. evaporation

B. transpiration

C. percipitation

D. condensation

The process by which NH₃ is converted into NH₄

A. nitrogen fixation

B. nitrification

C. ammonification

D. denitrification

The process by which NH₄ converts into NO₃ is called

A. nitrogen fixation

B. nitrification

C. ammonification

D. denitrification

How is CO₂ removed from the atmosphere?

A. respiration

B. photosynthesis

C. decomposition

D. burning fossil fuels

Density-independent factors are limiting factors whose effects are

A. confined to the habitat of the population

B. determined by the degree of competition for resources

C. not influenced by population densities

D. determined by the difference between birthrate and population density

What is one difference between primary and secondary succession?

A. primary succession is slow, and secondary succession is rapid

B. secondary succession begins on soil, and primary succession begins on newly exposed surfaces

C. primary succession modifies the environment, and secondary succession does not

D. secondary succession begins with lichens, and primary succession begins with trees

An uncut lawn becomes a meadow and eventually a forest.  This process is an example of

A. aphotic zones

B. primary succession

C. estuary

D. secondary succession

Primary succession can begin after

A. a forest fire

B. a lava flow

C. farmland is abandoned

D. a severe storm

Population control factors whose effects increase as the size of the population increases are

A. abiotic factors

B. density-dependent factors

C. limiting factors

D. density-independent factors

A lake in which nutrients are scarce and oxygen is high is

A. atrophic

B. oligotrophic

C. eutrophic

D. hypotrophic

The biome with the greatest amount of topsoil and the richest, most fertile soil is the

A. tundra

B. taiga

C. tropical rain forest

D. desert

E. grassland

The stable ecosystem that develops due to success

A. is called a niche

B. is always a forest

C. is called a climax community

D. never changes

Young adult male chimpanzees look for mates outside their own population.  The males then take the females back to their group.  Which of the following occurs in females original population?

A. emigration

B. immigration

C. mortality

D. natality

A country that is not growing is characterized by an age structure that is

A. about the same among all groups

B. largest among pre-reproductive years

C. largest among reproductive years

D. largest among post-reproductive years

Which is a biotic factor that affects the size of a population in a specific ecosystem?

A. average temperature of the ecosystem

B. type of soil in the ecosystem

C. number and kinds of predators in the ecosystem

D. concentration of oxygen in the ecosystem

What biome has soil that is low in nutrients and highly acidity?

A. desert

B. dry shrubland and woodland

C. tropical rain forest

D. tundra

What type of relationship exists between HIV and monkeys

A. symbiosis

B. mutualism

C. parasitism

D. commensalism

The biome with the greatest range of daily temperature extremes is the

A. tundra

B. taiga

C. tropical rain forest

D. desert

E. grassland

Which two biomes have the least amount of precipitation?

A. tropical rain forest and grassland

B. savanna and shrubland/woodland

C. tundra and desert

D. coniferious forest and deciduous forest

In dry shrublands and woodlands

A. plants are adapted to episodes of fire

B. primary production is abundant throughout the year

C. there are constant cool temperatures throughout the year

D. winters are mild and summers are met

E.precipitation occurs evenly year round

[image]

Refer to the illustration above.  Which time period shows exponential growth of the population?

A. period A

B. period B

C. period C

D. period D

Unrestricted populations of organisms experience

A. exponential growth

B. linear growth

C. logistic growth

D. biotic growth

A population that grows until it reaches its carrying capacity usually has the shape of an

A. I

B. J

C. S

D. M

Symbiosis in which both species benefit is called

A. commensalism

B. mutualism

C. predation

D. parasitism

Exponential growth of a population will result in _____ shaped graph.

A. S

B. J

C. M

D. L

An interaction in which one organism captures and feeds on another organism is called

A. competition

B. symbiosis

C. mutualism

D. predation

Which of the following is a density-indepent factor?

A. earthquake

B. disease

C. emigration

D. parasitism

As a population reaches its carrying capacity, resources become more scarce.  Which of the following would increase within the population?

A. birthrate

B. available shelter

C. nesting sites

D. competition

For a particular species, the carrying capacity is the maximum number of individual organisms that

A. the species could reach in a given time period if all the offspring survive and reproduce

B. could be supported by a given environment

C. are in their post-reproductive years

D. can find a mate, reproduce, and carry on their species

A biome that has cone bearing trees with needles adapted for water loss is

A. deciduous forest

B. coniferious forest

C. tundra

D. tropical rain forest

What type of relationship exists between E. coli inside your intestine

A. symbiosis

B. mutualism

C. parasitism

D. commensalism

Which biome is characterized by very low temperatures, little precipitation, and permafrost?

A. desert

B. coniferious forest

C. tundra

D. tropical rain forest

The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of

A. mutualism because the flower provides the insect with food, and the insect pollinates the flower

B. parasitism because the insect lives off the nectar from the flower

C. commensalism because the insect doesn't harm the flower, and the flower doesn't benefit from the relationship

D. predation because the insect feeds on the flower

Table 5-1 shows the population sizes for 6 different species in four different areas.

Table 5-1

If the four areas in Table 5-1 were the only places int he world to find these organisms, which species most likely faces the greatest chance of extinction?

A. species U

B. species X

C. species Y

D. species Z

Table 5-1 shows the population sizes for 6 different species in four different areas.

Table 5-1

Which area in Table5-1 has the greatest biodiversity?

A. area A

B. area B

C. area C

D. area D

The sulfur and nitrogen compounds in smog combine with water to form

A. ozone

B. ammonia

C. acid rain

D. chlorofluorocarbons

A biologist is searching for a new plant-based antibiotic.  In which biome would the biologist have the best chance of finding new kinds of plants to use in her research?

A. desert

B. tundra

C. deciduous forest

D. tropical rain forest

[image]

What effect did the loss of species B have on species A and D in Figure 5-3?

A. it caused the populations of A and D to decrease

B. it caused the populations of A and D to increase

C. it caused the populations of A and D to become extinct

D. it had no effect on the populations of A and D

[image]

Examine the graph in Figure 5-3.  Which species were not affected by the loss of species B?

A. species A, C, and E

B. species C and E

C. species C only

D. species E only

All of the following are threats to biodiversity EXCEPT

A. increase of toxic compounds

B. habitat fragmentation

C. invasive species

D. species preservation

The major cause of ozone depletion is

A. nitric acid

B. sulfuric acid

C. chlorofluorocarbons

D. ultraviolet light

The major threat to biodiversity is

A. habitat fragmentation

B. habitat loss

C. habitat degradation

D. exotic species

Acid rain changes the pH of soil, killing some trees.  This is an example of

A. habitat fragmentation

B. global warming problems

C. habitat degradation

D. exotic species

Salvinia molesta, a floating aquatic plant, first entered Lake Naivasha in Kenya when a person's fish ponds flooded.  The plant quickly grew, changing the habitat of parts of the lake.  This is an example of a problem due to

A. reintroduction programs

B. exotic species

C. habitat fragmentation

D. edge effect

When exotic species are introduced into an area their populations may grow exponentially because the species

A. are large

B. are predators

C. lack competitors and predators

D. are small

Which of the following animals would be least affected by habitat fragmentation?

A. wolves

B. hawks

C. zebras

D. lions

The use of naturally occurring microorganisms that have been genetically engineered and that can be used to degrade petroleum products is called

A. biodiversity

B. bioremediation

C. exotic species

D. cloning

Amur honeysuckle and Kudzu are examples of

A. biodiversity

B. native species

C. exotic species

D. endangered species

Habitat fragmentation often leads to

A. increased species diversity within an area

B. larger habitats for species

C. decreased species diversity

D. an increased food supply for species

What is an example of a renewable resource?

A. air

B. oil

C. coal

D. old growth forest

A harmful material that can enter the biosphere through the land, air or water is

A. smog

B. pollutant

C. bioremediation

D. all of the above

Renewable sources of energy

A. can replenish themselves naturally

B. must be created in laboratories

C. are manufactured from fossil fuels

D. were never utilized until the 20th century

Ozone is the atmosphere

A. leads to formation of acid precipitation

B. combines readily with water vapor

C. absorbs harmful radiation and UV from the sun

D. is a renewable resource

The heat-trapping ability of some gases in the atmosphere can be compared to

A. the melting of snow

B. the way glass traps heat in a greenhouse

C. condensation because of heating

D. heating water on a stove

Which biome has the greatest amount of biodiversity?

A. grassland

B. deciduous forest

C. tropical rain forest

D. coniferious forest

One difference between prokaryotes and eukaryotes is that prokaryotes do not have

A. DNA

B. a cell membrane

C. cytoplasm

D. a nucleus

Reducing activation energy

A. is a violation of the laws of nature

B. requires higher temperatures than those found within cells

C. occurs only when reactants are quickly added to the reaction mixture

D. is accomplished by the action of enzymes on reactants

Which of the following is not part of the cell theory?

A. all living things are made of one cell

B. cells are the basic units of structure and function in organisms

C. most cells arise from existing cells

D. cells are nonliving units that make up organisms

The organelle that moves proteins and other substances to the Golgi apparatus

A. endoplasmic reticulum

B. mitochondria

C. ribosomes

D. cytoplasm

Plant cells have a large membrane-bound compartment in which water, waste products, and nutrients can be stored.  This compartment is called the

A. mitochondria

B. chloroplast

C. Golgi apparatus

D. central vacuole

A cell that requires a lot of energy might contain large numbers of

A. chromosomes

B. vacuoles

C. mitochondria

D. lysosomes

Enzymes affect the reactions in living cells by changing the

A. products of the reaction

B. speed of the reaction

C. temperature of the reaction

D. pH of the reaction

[image]

Refer to the illustration above.  Which of the following statements regarding the graph is true?

A. reaction 2 occurs faster than reaction 3 because reaction 2 requires more energy than reaction 3

B. the difference between the graphs shown for reaction 2 and reaction 3 occurs because of a difference in the activation energy of these reactions.

C. reactant A  contains more energy at the beginning of the reaction than product C has at the end of the reaction

D. product B contains more energy at the end of the reaction than reactant A has at the beginning of the reaction

[image]

Refer to the illustration above.  Reaction 3 in the graph

A. probably occurred in the presence of an enzyme

B. requires more activation energy than reaction 2

C. is the same as reaction 1, but faster

D. is slower than reaction 2

Which cell structure contains the cell's genetic material and controls many of the cell's activities?

A. organelle

B. nucleus

C. cell envelope

D. cytoplasm

Which organelle breaks down compounds into small particles that the cell can use?

A. golgi apparatus

B. lysosome

C. endoplasmic reticulum

D. mitochondria

Which organelle makes proteins using coded instructions that come from the nucleus?

A. golgi apparatus

B. mitochondria

C. vacuole

D. ribosome

Which element is found in proteins but not carbohydrates or lipids?

A. C

B. H

C. N

D. O

Amino acids are the building blocks of which macromolecue?

A. carbohydrate

B. DNA

C. lipid

D. protein

Cilia and flagella are used to move cells through watery environments.  What role do these cell parts play on stationary cells?

A. they hold neighboring cells in a fixed position

B. they move substances along the surface of the cell

C. they protect the cell by whipping at harmful cells

D. they transmit waste materials away from the cell

The atom present in all organic compounds is

A. carbon

B. oxygen

C. nitrogen

D. sulfur

E. hydrogen

Which of the following is composed of a 1:2:1 ratio of carbon to hydrogen to oxygen?

A. carbohydrate

B. protein

C. lipid

D. nucleic acid

E. steroid

Fructose and glucose are

A.polymers

B. monosaccharides

C. disaccharides

D. polysaccharides

Which of the following are sometimes referred to as rough or smooth depending on structure?

A. golgi bodies

B. plasma membrane

C. nuclear membrane

D. lysosomes

E. endoplasmic reticulum

Where lipids are made is

A. smooth ER

B. rough ER

C. ribosomes

D. lysosomes

The clear fluid inside a cell that surrounds all of the organelles

A. nucleolus

B. cytoplasm

C. golgi apparatus

D. endoplasmic reticulum

Lipids have a larger portion of the elements ___ and ____ compared to the element ____.

A. C, O, H

B. O, H, C

C. C, H, O

D. H, O, C

A network of tiny rods and filaments that form a framework for the cell is called the

A. pili

B. flagella

C. cilia

D. cytoskeleton

Only in plants to store starches, lipids and others contain prigments to give them color

A. chlorophyll

B. chloroplasts

C. plastids

D vacuoles

The organelle that is compared to a whip is a

A. cytoskeleton

B. microtubule

C. flagella

D. cilia

The place where the enzyme and substrate fit together is called

A. active site

B. inactive site

C. product

D. substrate

Which of the following is characteristic of prokaryotes?

A. they have a nucleus

B. their evolution preceded that of eukaryotes

C. the organelles in their cytoplasm are surrounded by membranes

D. none of the above

When an enzyme becomes denatured

A. the substrate will fit into the enzyme and cause a reaction

B. the substrate will not fit into the enzyme and cause a reaction

C. the substrate will fit into the enzyme and not cause a reaction

D. the substrate will not fit into the enzyme and not cause a reaction

Megan examines a liver cell and observes an organelle with many smooth-sided channels.  Which activity would identify this organelle as the Golgi apparatus?

A. digestion of macromolecules and old organelles

B. detoxification of poisonous molecules within the cell

C. harvesting of energy from organic molecules to make ATP

D. processing and packaging of cellular materials prior to export

Naomi adds cycloheximide to cells grown in a test tube.  Within minutes, she identifies short incomplete segments of proteins in the cells that were made.  On which organelle does cycloheximide act?

A. endoplasmic reticulum

B. golgi apparatus

C. nucleus

D. ribosome

The absence of which structure indicates that cells are NOT photosynthetic bacteria

A. cell wall

B. chloroplast

C. DNA

D. ribosome

Which formula represents an organic molecule?

A. CuSO₄

B. C₁₂H₂₂O₁₁

C.  AgNO₃

D. H₂O

Pepsin is a protein-digesting enzyme in the human stomach.  Antacids cause the pH of the stomach to increase and protein digestion becomes less efficient.  What occurs to reduce the efficiency of protein digestion?

A. antacids break the covalent bonds within pepsin

B. pepsin dissolves antacids in the gastric juice

C. the active site of pepsin changes shape

D. the concentration of pepsin increases

Which statement most accurately describes the induced fit model of enzyme function?

A. substrate binding is not dependent upon the shape of the active

B. competitive inhibitors block the substrate from the active site

C. substrate binding slightly changes the shape of the enzyme

D. an enzyme creates a permanent bond with the substrate

Two students conduct an experiment in which they measure the concentration of an enzyme in a test tube at 1 minute intervals over the course of an enzymatic reaction.  Each of the student smakes a prediction about what will happen to the enzyme concentration as the reaction progresses.

Student 1 predicts that the concentration of the enzyme in the test tube will decrease as the reaction progresses

Student 2 predicts that the concentration of the enzyme in the test tube will stay the same as the reaction progresses

Which student's prediction is correct and why?

A. student 1; enzymes are depleted as a reaction progresses

B. student 1; enzymes are not depleted as a reaction progresses

C. student 2; enzymes are depleted as a reaction progresses

D. student 2; enzymes are not depleted as a reaction progresses

A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called a(n)

A. nonpolar molecule

B. polar molecule

C. charged molecule

D. ion

When placed in the same container, oil and water do not mix because

A. they are both polar

B. water is polar and oil is nonpolar

C. they are both nonpolar

D. water is nonpolar and oil is polar

Phospholipids are molecules that have

A. one polar phosphate head and two polar fatty acid tails

B. one polar phosphate head and two nonpolar fatty acid tails

C. one polar phosphate head and one polar fatty acid tail

D. one  nonpolar phosphate head and two polar fatty acid tails

Diffusion is the movement of a substance

A. only through a lipid bilayer membrane

B. from an area of low concentration to an area of high concentration

C. only in liquids

D. from an area of high concentration to an area of low concentration

Which of the following statements about an isotonic solution and a cell is correct?

A. the solution has the same solute concentration that the cytoplasm does

B. the solution has a higher solute concentraiton than the cytoplasm does

C. a cell in the solution will lose water

D. a cell in the solution will gain water

A plant cell is placed in a hypotonic solution.  What will happen to the plant cell?

A. it will swell

B. it will shrink

C. it will stay the same

D. it will wilt

A cell moves particles from a region of lesser concentration to a region of greater concentration by

A. facilitated diffusion

B. passive transport

C. osmosis

D. active transport

As a cell grows, its ____ increases more than its ____.

A. surface area, volume

B. width, surface area

C. volume, surface area

D. none of these

By the end of prophase, each of the following has occurred except

A. tighter coiling of the chromosomes

B. breaking down of the nuclear envelope

C. formation of spindle fibers

D. lining up of chromosomes in the cell

A chromatid is attached to a spindle fiber by the

A. nucleolus

B. deep furrow

C. centromere

D. centriole

Which of the following is a function of the cell membrane?

A. breaks down lipids, carbohydrates, and proteins from foods

B. stores water, salt, proteins, and carbohydrates

C. keeps the cell wall in place

D. regulates which materials enter and leave the cell

Which pair is correct?

A. G1 phase, DNA replication

B. G2 pahse, preparation for mitosis

C. S pahse, cell division

D. M phase, cell growth

During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

A. prophase

B. telophase

C. metaphse

D. anaphase

The cell membrane contains channels and pumps that help move materials from one side to the other.  What are these channels and pumps made of?

A. carbohydrates

B. lipids

C. bilipids

D. proteins

A single-cell freshwater organism, such as a protistan, is transferred to saltwater. Which of the following is likely to happen?

A. the cell bursts

B. salt is pumped out of the cell

C. the cell shrinks

D. enzymes flow out of the cell

E. all of these

The point at which two chromatids are attached to each other is called a (n)

A. chloroplast

B. centromere

C. centriole

D. spindle fiber

In a cell, the long strands of DNA form the

A. chromatid

B. chromatin

C. chromosomes

D. centromere

The two halves of a doubled chromosome structure are called

A. homolchromosomes

B. sister chromatids

C. centromeres

D. cytokinesis

In cell division mitosis is

A. followed quickly by cytokinesis

B. followed quickly by synthesis

C. preceded quickly by cytokinesis

D. preceded quickly by synthesis

Body cells are also called

A. somatic cells

B. histone cells

C. nucleosomes

D. gametes

What occurs after cytokinesis is completed?

A. the cell organizes its microtubules

B. the cell begins to replicate its DNA

C. the cell enters G1

D. the cell enters G2

The first three phases of the cell cycle are collectively known as

A. a gap

B. telophase

C. mitosis

D. interphase

A cell has 12 chromosomes.  How many chromosomes will each daughter cell have?

A. 4

B. 6

C. 12

D. 24

In which of the stages below does each chromosome consist of two DNA molecules?

I. metaphase

III. prophase

II. telophase

IV. anaphase

A.  III and IV

B. I, III, and IV

C. I and III

D. I, II and III

The chromosomes are moving to opposite poles during

A. anaphase

B. metaphase

C. telophase

D. prophase

A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two cells containing how many chromosomes?

A. 12

B. 16

C. 23

D. 46

[image]

In the diagram above which solid(s) will diffuse into the cell?

A. sucrose

B. fructose, glucose

C. sucrose, glucose

D. fructose

E. glucose

[image]

In the diagram above, which solid(s) diffuse out of the cell?

A. sucrose

B. fructose, glucose

C. sucrose, glucose

D. fructose

E. glucose

[image]

In the diagram above, which solution, inside the cell or outsdie the cell, is hypertonic?

A. inside the cell

B. outside the cell

[image]

In the diagram above, which solution, inside the cell or outside the cell, is the solution hypotonic?

A. inside the cell

B. outside the cell

[image]

In the diagram above, in which direction will there be an osmotic movement of water?

A. into the cell

B. out of the cell

C. neither, it is equal

Although in a cycle we can start at any point, which of the below is in correct order?

A. S-M-G1-G2

B. S-M-G2-G1

C. S-G1-G1-M

D. S-G2-M-G1

If a cell has 16 chromosomes, how many chromatids does it have during anaphase?

A. 16

B. 8

C. 32

D. 0