Intro To Bio Nine Weeks Test Question Preview (ID: 43791)


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Which is NOT a function of protein?
a) control rates of reactions
b) move substances into or out of cells
c) help to fight disease
d) store and transmit genetic material

Who performed Griffin's experiment?
a) Griffin
b) Mendel
c) Crick
d) Darwin

What structure make a nucleic acid RNA rather than DNA?
a) complementary base pairs
b) no nitrogen bases
c) phosphate groups instead of nitrogen bases
d) contains uracil instead of thymine

What characteristics do carbohydrates and lips share?
a) contains,nitrogen, used for energy
b) used for energy; contains primarily carbon, hydrogen, and oxygen
c) forms hormones, dissolves in water
d) dissolves in water, contains nitrogen

Which scientist used xrays to confirm DNA?
a) Franklin
b) Darwin
c) Griffin
d) Mendel

Reaction in which water breaks down polymers into monomers:
a) van der Waals force
b) Dehydration Synthesis
c) hydrolysis
d) ionic reaction

Who discovered that DNA was in the Double Helix shape?
a) Schledien and Swahn
b) Watson and Crick
c) Hershey and Chase
d) Avery and McCarty

Which is NOT a type of dispersion?
a) random
b) uniform
c) clumped
d) systemic

Scientists who did experiments to prove DNA is genetic material
a) Schledien and Swahn
b) Watson and Crick
c) Hershey and Chase
d) Avery and McCarty

In CO2 + H2O = H2CO3 , what are the reactants?
a) CO2 , H2O, and H2CO3
b) CO2 and H2CO3
c) CO2 and H2CO3
d) CO2 and H2O

What is the part of Earth on which life exists?
a) lithosphere
b) hydrosphere
c) biosphere
d) atmosphere

Relatively constant internal physical and chemical conditions are called?
a) metabolism
b) homeostasis
c) science
d) hypothesis

Animals that get energy from eating carcasses are_________?
a) omnivores
b) detritivores
c) scavengers
d) heterotrophs

Plants are_____________?
a) primary consumers
b) omnivores
c) herbivores
d) primary producers

What is the pH of oven cleaner?
a) below 7 and it is a base
b) below 7 and it is an acid
c) above 7 and it is base
d) above 7 and it is an acid

What is the pH of stomach acid?
a) below 7 and it is a base
b) below 7 and it is an acid
c) above 7 and it is base
d) above 7 and it is an acid

Which of these is a food chain?
a) tree, deer, mountain lion, hawk
b) grass, grasshopper, snake, hawk
c) snake, hawk, grass, grasshopper, deer
d) deer, tree, hawk, mountain lion

Why do birds migrate?
a) They respond to their environment.
b) They are made of cells.
c) They have to maintain internal balance.
d) They are based on an universal genetic code.

Which complements go with these bases in DNA? A T C G A
a) T A C U U
b) T A G C T
c) C G A C U
d) C A G C T

What is a symbiotic relationship in which both species benefit?
a) commensalism
b) mutualixm
c) predationalism
d) parasitism

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