A shared property of all living organisms is that they are made up of

CELLS

You plan to test the hypothesis that the NY Times newspaper contains a substance that prevents fire bugs to develop into adults 

FIRE BUGS IN A CARDBOARD BOS WITH ANOTHER NEWSPAPER

Dogs are made up of

EUKARYTOIC CELL

What is the first step of the scientific process-----

MAKING AN OBSERVATION

In a  controlled experiment the variable that you manipulate is

1.       INDEPENDENT VARIABLE

The experimental variable that is measured is the

1.       DEPENDENT VARIABLE

Which of the Domains of life does a fungus belong to

EUKARYA

Hypotheses are best described as----

POSSIBLE ANSWERS OR EXPLANATIONS

Which variable differs between an experimental and control group in a controlled experiment

THE INDEPENDENT VARIABLE

Which of the following would be a good example of a dependent variable in this context

1.       PERCENTAGE OF FIREBUGS THAT REACH ADULTHOOD

Hormones are produced by

ENDOCRINE GLANDS

Which particle in an atom has a positive charge

1.       PROTON

An atom has 4 protons, 4 nuetrons and 4 electrons.  Its atomic mass

An atom has 6 protons, 6 nuetrons and 6 electrons. How many electrons are in its valence shell

If an atom loses an electron

IT WILL BECOME POSITIVELY CHARGED

What is the building block of complex carbohydrates

MONOSACCHARIDES

Covalent bonds are best described as

SHARED PAIRS OF ELECTRONS

If two atoms have essentially the same electronegativity, then a covalent bond between them will be

NON-POLAR

Changes in the sequence of nucleotides in a gene can result in changes in

An enzyme inhibitor that resembles the substrate of the enzyme is most likely to be a

 A competitive inhibitor of sucrose should resemble

Genes are made of

What is the nucleus---

THE DNA-CONTAINING ORGANELLE IN EUKARYOTIC CELLS

Could a hydrogen atom involved in an O-H bond also be involved in a hydrogen bond

Fatty acids are critical for the structure of

TRIGLYCERIDES

What happens during a condensation reaction

1.       MONOMERS ARE LINKED TOGETHER BY BONDING & WATER IS PRODUCED

An alpha-helix is an example of

1.       A TYPE OF PROTEIN SECONDARY STRUCTURE

An amino acid has

1.       CH2, H3N, C, H, AND O

A ptrotein named G-actin is a folded-up single polypeptide.  What is the “highest” level of ptrotein structure  that G-actin has

TERTIARY STRUCTURE

Aresenic might be expected to be able to replace phosphorus in molecules because the both have

THE SAME NUMBER OF ELECTRONS IN THEIR VALENCE SHELLS

Naturally occurring triglycerides with saturated fatty acid tails

1.       ARE SOLID AT ROOM TEMPERATURE

Which of the following is rich in phosphorus

What do starch, glycogen and cellulose have in common-----

1.       THEY ARE ALL POLYSACCHARIDES

How is starch used

1.       AS AN ENERGY-STORING MOLECULE IN PLANTS

Which type of organelle is found in plants but not in animals----

What will happen if an enzyme-catalyzed reaction that has a pH optimum of pH 9 is carried out at pH 4 and why

THE REACTION RATE WILL DECREASE, BECAUSE THE ENZYME WILL DENATURE

TO CARRY A SIGNAL FROM ONE CELL TO ANOTHER

Calcium ions are symbolized as Ca2+, How does a calcium atom become a calium ion----

 BY LOSING TWO ELECTRONS

The plasma membrane of a cell

SEPARATES THE CELL FROM ITS ENVIROMENT, REGULATES WHAT GOES INTO AND OUT OF THE CELL, HELPS MAINTAIN A CONSTANT INTERNAL ENVIROMENT AND COMMUNICATES WITH ADJACENT CELLS

Lysosomes are important to eukaryotic cells because they contain----

Enzymes act by

Which of the following vitamins does NOT need to be taken as a supplement when taking Alli and why

VITAMIN C BECAUSE ITS WATER SOLUBLE

Which is the correct order of steps that occur after ingestion of food

1.       DIGESTION, ABSORPTION, ELIMINATION

A prokaryotic cell does not have a

You are testing the hypothesis that alli helps with weight loss wich of the following would be an appropriate independent variable

Which of the following requires lipase

hich of the following in not a membrane-enclosed organelle

Based on the diagram above of an artificial phospholipid bilayer with NO proteins in it, will K+ be able to cross this membrane from the tip to the bottom

Which will cross O2 or Na and in which direction

Many bacterial cells are restistant to antibiotics because they can pump the large and charged antibiotics out of their cytoplasm, back into the drug-enriched eviroment surrounding the cell, this is an example of

Which of the following is not one of the distinct chemical groups to which hormones belong

If one of your white blood cells was placed in a hypertonic solution what would happen

Which of the followingis most likely to diffuse UP its concentration gradient by facilitated diffusion

1.       NONE OF THE ABOVE (O2, K, H)

Which lipids are found in an animal cell membrane

PHOSPHOLIPIDS AND CHOLESTEROL

Which beverage if consumed in excessive amounts would result in brain swelling and neurological symptoms

Which beverage if consumed in excessive amount would result in osmotic diarrhea

Juvenile hormone can be used by humans as an effective control of insect populations because it causes

THE INSECTS TO FAIL TO DEVELOP INTO REPRODUCING ADULTS

The glycol portion of a glycolipid is found

ON THE EXTERIOR FACE OF THE CELL MEMBRANE

If an amino acid was crossing a membrane from an area of high concentration to low concentration what transport mechanism would be used

when looking at a cell membrane which of the following would be a clue that the membrane is from an animal cell rather than a plant cell

Which of the follwoing is matched correctly with its catabolic product

Which of the following cellular metabolic processes is active in all living cells regardless of the presence or the absence of oxygen