Term
| Cells that do NOT produce cell walls are ... |
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Definition
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Term
| An atom's atomic number is best described as the number of... |
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Definition
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Term
Which of these statements is NOT true about DNA?
- it contains the sugar ribose
- it forms a double helix
- adenine pairs with thymine and guanine pairs with cytosine
- it is the genetic material of the cell
- the sugar and phosphate groups form the backbone of the molecule.
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Definition
| DNA does NOT contain the sugar ribose. |
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Term
| Fats, oils and steroids are... |
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Definition
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Term
| Saturated fatty acids and unsaturated fatty acids differ in... |
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Definition
All.
The number of hydrogen atoms present.
The consistency at room temperature.
The umber of carbon-to-carbon bonds. |
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Term
| Which statement is NOT true about elements?
All atoms of an element conatin the same number of protons.
Atoms of an element may contain different numbers of neutrons.
There is only one kind of atom in each type of element.
An element consists of atoms and molecules
An element cannot be broken down in to substances with different properties |
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Definition
| An element does NOT consist of atoms and molecules |
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Term
| Which statement is NOT true about covalent bonds?A single covalent bond is drawn as a line between two atoms
A pair of electrons is shared between two atoms for each covalent bond
Covalent bonds form when an electron is completely lost or gained from an atom
A covalent molecule contains one or more covalent bonds
Shared electrons allow an atom to complete its outer electron shell in a covalent bond |
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Definition
| A covalent molecule does NOT contain one or more covalent bonds. |
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Term
| A polysaccharide is a polymer made up of which kind of monomers? |
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Definition
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Term
| What dow e call the maintenance of internal conditions of an organism within a certain boundary range? |
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Definition
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Term
| Which pair are both structural carbohydrate molecules? |
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Definition
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Term
| An atom's atomic mass is best described as the mass of |
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Definition
| protons and neutrons it contains |
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Term
| The characteristic way in which atoms of an element react is most related to the |
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Definition
| number of electrons in the outermost shell |
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Term
| Which of the following is NOT one of the characteristics of living organisms?
to metabolize
to grow
to respond
to be organized |
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Definition
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Term
| The nucleus is NOT as important as the site of... |
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Definition
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Term
| Which of the following characteristics is NOT required for the life of an individual organism to continue? |
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Definition
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Term
| The subatomic particle of an atom that carries no charge is a(n) |
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Definition
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Term
| Which of the following organisms is NOT ultimately dependent on the sun as a source of energy?
A cave fish feeds on debris that washes down to it
A night blooming flower is pollinated by night-flying bats. |
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Definition
| All of the choices ARE dependent on the sun. |
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Term
| What is the process by which the sun's energy is trapped as the source of energy used by virtually all living organisms? |
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Definition
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Term
| Fish sperm consists mostly of the male fish's DNA. If we tested a sample chemically, we should find relatively high amounts of... |
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Definition
| Nitrogenous bases, sugar, and phosphate groups. |
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Term
| Which is NOT true about the cell theory? |
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Definition
| Cell theory does NOT state that bacteria and other small organisms can arise spontaneously. |
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Term
| Which of the following lipids forms a bilayer between two watery regions, such as in the plasma membrane of a cell? |
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Definition
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Term
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Definition
| of animal origin, has fatty acids with no double bonds between the carbon atoms, and is solid at room temperature |
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Term
| Studying a brick does not predict the design of a skyscraper. Intense examination of muscle tissues does not allow you to predict the design of a kangaroo or clam. The structure of chlorophyll does not dictate the unique structure of a tree. These cases demonstrate... |
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Definition
| Emergent properties that cannot be predicted by examining their parts. |
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Term
| Which of the following sequences of organization is likely to be seen in a multicellular organism, going from smallest to largest? |
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Definition
| cell, tissue, system, organism |
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Term
| A nucleic acid is a polymer made up of which kind of monomers? |
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Definition
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Term
| The characteristic of an individual that is neccessary to the survival of the species but NOT to the survival of that individual is... |
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Definition
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Term
| Whcih statement is true about RNA? |
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Definition
| One of the bases from DNA is replaced by uracil. |
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Term
| Organic molecules are those that contain at least |
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Definition
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Term
| A protein is a polymer made up of which kind of monomers? |
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Definition
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Term
| Living organisms are characterized by |
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Definition
| Adapting to the environment, evolving over time, and displaying homeostatic mechanisms |
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Term
| Which statement is NOT true about subatomic particles?
Neutrons have no electrical charge
Electrons contain much less mass than neutrons
Electrons are found in orbitals around the nucleus
Protons are found in the nucleus
All electrons ina n atom contain the same amount of energy |
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Definition
| All electrons in an atom do NOT contain the same amount of energy |
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Term
| A eukaryotic organelle that can best be seen with the light microscope is the |
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Definition
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Term
| Which carbohydrate is found in the exoskeleton of insects and crabs? |
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Definition
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Term
| A lipid is a polymer made up of which kind of monomers? |
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Definition
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Term
| The major functions of the plasma membrane do NOT include: |
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Definition
| Major functions of the plasma membrane do NOT include production of proteins used in construction of the cell wall. |
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Term
| In a phospholipid bilayer, the |
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Definition
| phosphate heads are oriented toward the exterior of the cell or toward the cytoplasm. |
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Term
| Which phrase does NOT describe one of the functions of protiens of the plasma membrane?
forming a channel through the membrane
initiating the replication of the genetic material
binding to a substance to carry it through the membrane
acting as a receptor for substances external to the cell
increasing the rate of a chemical reaction |
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Definition
| Initiating the replication of the genetic material does NOT describe a funtion of a protien in the plasma membrane. |
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Term
| Which is the best definition of diffusion? |
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Definition
| Movement of molecules from an area of higher concentration to an area of lower concentration |
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Term
| Which is the best definition of osmosis? |
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Definition
| Movement of water across a semipermeable memb rane from an area of higher concentration to a lower concentraion |
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Term
| If a cell is placed in a hypotonic solution, which will occur? |
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Definition
| Water will move into the cell from the surrounding solution. |
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Term
| If a cell is placed ina hypertonic solution, which will occur? |
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Definition
| Water will move out of the cell into the surrounding solution. |
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Term
| Which is the best definition of active transport? |
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Definition
| movement of a substance against its concentration through the release of energy from ATP |
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Term
| The sodiumpotassium pump moves sodium and potassuim ions across the plasma membrane by |
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Definition
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Term
| Cell products are secreted from the cell through |
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Definition
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Term
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Definition
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Term
| WHich form of energy is NOT correctly associated with an example?
kinetic energy: fat molecules
kinetic energy: movement of muscles
chemical energy: glucose
potential energy: water held behind a dam
potential energy: ATP |
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Definition
| Kinetick energy: fat molecules. |
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Term
| Which best describes the first law of thermodynamics? |
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Definition
| Energy is not created or destroyed, just changed in form. |
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Term
| Which best describes the second law of thermodynamics? |
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Definition
| Some useful energy is lost as heat whenever an energy transfer occurs |
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Term
| A living organism represents stored energy in the form of chemical chompounds. When an organism dies, what happens to this stored energy? |
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Definition
| The chemical compounds in scells lose their organization over time because there is no longer an imput of energy to maintain the organized state. |
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Term
| The subunits from which ATP is made are |
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Definition
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Term
| A living organism represents stored energy in the form of chemical chompounds. When an organism dies, what happens to this stored energy? |
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Definition
| The chemical compounds in scells lose their organization over time because there is no longer an imput of energy to maintain the organized state. |
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Term
| ATP is considered to be... |
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Definition
| A molecule that carries a great deal of chemical energy in a chemical bond. |
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Term
| Solar energy is stored in w hich molecules during photosynthesis? |
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Definition
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Term
| What are the products of photosynthesis? |
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Definition
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Term
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Definition
| They reflect green wavelengths of light |
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Term
| Which statement is NOT true about teh noncyclic electron pathway?
It absorbs photons in to Photosysem 1
It absorbs photons in to Photosystem 2
It porduces ATP
It produces NADPH
It produces carbohydrates through carbon dioxide fixation. |
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Definition
| Noncyclic electron pathways do NOT produce carbohydrates through carbon dioxide fixation. |
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Term
| Which is most closely associated with the Calvin cycle? |
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Definition
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Term
| Carbon dioxide movement into a plant leaf involves all of the following EXCEPT
Stomata
Diffusion
Electron transport systems
Air |
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Definition
| Carbon Dioxide movement in to a plant leaf does NOT involve electron transport systems. |
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Term
| The Calvin cycle requires all of the following except ____ to occur.
ATP NADPH
carbon dioxide
light
ribulose-bis-phosphate |
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Definition
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Term
| Which of these processes occurs in the cytoplasm? |
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Definition
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Term
| The transition reaction breaks.... |
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Definition
| pyruvates into acetylCoA and carbon dioxide. |
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Term
| The first process in breaking down glucose is |
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Definition
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Term
| Which process produces both NADH and FADH2? |
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Definition
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Term
| Compared with other cell components (organelles, cell membrane or nucleus), the mitochondria would be the only fraction that would.... |
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Definition
| use significant amounts of oxygen. |
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Term
| The cabron dioxide we exhale is produced in... |
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Definition
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Term
| Which process must occur before fermentation? |
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Definition
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Term
| Which of these p airs of processes are anaerobic? |
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Definition
| fermentation and glycolysis |
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Term
| The diploid number of chromosomes for humans is |
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Definition
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Term
| Which statement is NOT true about mitosis?
Mitosis produces two daughter cells that contain the same number of chromosomes as the parent cell.
Mitosis uses a 2n parent cell to form daughter cells containing n chromosomes
Mitosis is a process that duplicates and divides the nuclear contents only.
Mitosis produces two daughter cells that contain the same kinds of chromosomes as the parent cell.
Mitosis is involved in development of a fertilized egg in to a multicellular organism. |
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Definition
| Mitosis does NOT use a 2n parent cell to form daughter cells containing n chromososmes. |
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Term
| During which stage of meiosis does homologue separation occur? |
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Definition
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Term
| Because one original strand of the double-stranded heliz is found in each daughter cell, the replication process is called... |
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Definition
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Term
| Which occurs in metaphase? |
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Definition
| Chromosomes line up along the equator of the dividing cell. |
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Term
| The amount of adenine is always equal to the amount of ___ in DNA |
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Definition
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Term
| During which stage of meiosis does crossing-over occur? |
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Definition
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Term
| Which of the following crosses would always result in offspring that only display the dominant phenotype?
Tt x Tt
both TT x tt and TT x TT
Tt x Tt
TT x tt
TT x TT |
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Definition
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Term
| If you had two guinea pigs of opposite sex, both homozygous, one black and one brown, but you didn't know which was the dominatn characteristic, how would you find out the dominant color? |
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Definition
| Mate them together and see what color the offspring are- that will be the dominant color. |
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Term
| If individuals exhibiting a dominant phenotype are corssed and produce only offspring with the dominant phenotype, what would be the logical genotype of the parents? |
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Definition
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Term
| The haploid (n) number of chromosomes for humans is |
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Definition
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Term
| In 1940, two researchers named Weiner and Landsteiner discovered that about 85 percent of the human population sampled possessed a blood cell protein that had been previously detected in Rhesus monkeys. This blood type was labled Rh positive, and Rh+ was found to be dominant over th absence of the blood factor (Rh-). Under normal Mendelian inheritance, which of the following statements is FALSE? |
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Definition
| Two Rh- parents could have an Rh+ child. <- false |
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Term
| In which kind of cross would you expect to find a ration of 9331 among the f2 offspring? |
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Definition
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Term
| If a pea plant shows a reccessive phenotype it's genotype can be... |
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Definition
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Term
| Which statement is NOT true about eukaryotic chromosomes?
There is only one chromosome of each type in each body cell.
Chromosomes condense from chromatin at the start of mitosis
Chromosomes contain both DNA and associated histones
Chromosomes disperse back into chromatin at the end of mitosis
Chromosomes are not located within the nuclear envelope during mitosis |
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Definition
| There is NOT only one chromoseome of each type in each body cell. |
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Term
| If a human who is a tongue roller (T) and has unattatched ear lobes (E), marries a person who cannot roll their tongue and has attatched earlobes, could they produce an offspring that was also a non-tongue roller with atttatched earlobes? what would be the genotype of the first parent? the second? |
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Definition
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Term
| Which represents the correct sequence of stages in teh cell cycle? |
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Definition
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Term
| Stages of the cell cycle include |
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Definition
| Cytokinesis, interphase, mitosis |
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Term
| The f2 offspring of a monohybrid cross would show the genotype(s) |
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Definition
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Term
| During which stage of the cell cycle is cell growth and replication of organelles most significant? |
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Definition
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Term
| Some plants fail to produce chlorophyll, and this trait appears to be recessive. Many plants also self-pollinate. If we locate a pea plant that is heterozygous for this trait, self-pollinate it and harvest seeds, what are the likely phenotypes of these seeds when they germinate? |
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Definition
| About on-fourth will be white and thre-fourths will be greens since it is simalar to a monohybrid cross. |
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Term
| Which of the following is/are NOT true about mutions.
Mutations ccan often be repaired by cellular enzymes
Variation in DNA and mutaions are important for evolution to occur
Mutations to DNA always result in lethal effects and therefore death of a cell
Damage to DNA can result after exposure to environmental factors such as sunlight or chemicals such as pesticides |
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Definition
| Mutations to DNA do NOT always result in lethal effects and therefore death of a cell (aptosis) |
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Term
| A human male has ___ chromosomes with ___ sex chromosomes |
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Definition
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Term
| If an individual with a dominant phenotype is crossed with an individual with a recessive phenotype, 4 of their 9 offspriing show the recessive phenotype. What is the genotype of the first parent? |
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Definition
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Term
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Definition
| Alternative forms of a gene for a single trait, such as blue eyes or brown eyes. |
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Term
| Virtually all specialized cells of multicellular organisms... |
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Definition
| have the same amount of DNA and the same number of chromosomes as all other cells in the organism. |
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Term
| In multicellular organisms, mitosis is |
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Definition
| the means of tissue growth and repair |
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Term
| If a sperm cell contains 8 chromosomes, it comes from an animal that has ___ chromosomes |
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Definition
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Term
| Which is NOT true about daughter cells of mitosis and meiosis?
In mitosis, the daughter cells are genetically identical.
In meiosis, the daughter cells are haploid.
In meiosis, the daughter cells are genetically identical
In meiosis, there are four daughter cells
In mitosis, there are two daughter cells |
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Definition
| In meiosis, the daughter cells are NOT genetically identical. |
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Term
| The overall process of mitosis functions to ensure... |
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Definition
| That each new cell recieves a complete set of genetic info, growth and tissue repair, asexual reproduction in some species. |
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