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CLEP Biology Questions and Answers
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CLEP Biology Questions and Answers
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CLEP Biology Questions and AnswersA catalyst - ANSWER-is a substance that changes the speed of a reaction without being
affected itself.
A cell will only remain stable if... - ANSWER-...the surface area of the plasma
membrane maintains a balance with the volume of the cytoplasm.
A gene is - ANSWER-a length of DNA (with corresponding histones) is responsible for
the production of a certain protein that causes a particular trait to be expressed in an
organism.
A hydrogen bond - ANSWER-Is weaker than ionic, covalent, disulfide, or double bonds.
A hydrogen bond involves - ANSWER-the attraction of atoms of different polarity and
can be easily broken.
A lysosome - ANSWER-is a packet of digestive enzymes that destroy cellular wastes.
A mutation - ANSWER-is an accidental change of the DNA sequence of the gene that
can result in creating a change of trait that is not found in the parent.
A person eats three candy bars. Within minutes this endocrine gland affects blood-
glucose homeostasis. - ANSWER-The pancreas.
A prosthetic group - ANSWER-is an ion that binds to an enzyme making it more able to
catalyze a reaction.
A sex linked recessive disease - ANSWER-has an equal (50%) chance of being passed
from a carrier mother to a son or a daughter.
A species role in the food chain is part of its - ANSWER-niche
A sudden change in the amount of extracellular fluid will be corrected by events
following the release of substances from this organ. - ANSWER-The pituitary gland.
About five million years ago... - ANSWER-...the lineage that led to the modern Homo
Sapiens diverged from the lineage that led to the modern chimpanzee.
Aganatha - ANSWER-super-class of vertebrae including organisms with no jaws.
Aggregate fruit - ANSWER-is a compound fruit that develops from many ovaries of a
single flower fusing together (raspberry).
Algae and Protozoa belong to the kingdom - ANSWER-Protista
, Allopatric speciation - ANSWER-occurs when two populations are geographically
isolated from each other. Over time this results in the production of two separate
species.
Altruism - ANSWER-is a social behavior of an organism that is beneficial to the group at
the individual's expense.
Alveoli - ANSWER-are surrounded by capillaries that allow for carbon dioxide to diffuse
into the lungs and oxygen to diffuse out.
An enzyme - ANSWER-is a protein, which is a polymer of amino acids. They generally
have the suffix -ase- like lactase.
An enzyme - ANSWER-Is a special protein that acts as a catalyst for organic reactions.
An enzyme is unaffected by the reactions it catalyzes, - ANSWER-so it can be used
over and over again.
An inhibitor - ANSWER-attaches to an enzyme and blocks the enzyme reaction rather
than enhancing it, like a prosthetic group would.
Anabolism - ANSWER-synthesis
Anabolsim - ANSWER-the process whereby cells build molecules and store energy (in
the form of covalent chemical bonds).
Angiosperms - ANSWER-plants that produce flowers as reproductive organs. They
have two divisions, monocots and dicots.
Annelida - ANSWER-the phyla composed of segmented worms.
Arthropoda - ANSWER-The phylum of insects (bees).
As energy is transferred through trophic levels - ANSWER-some energy is lost as heat
and becomes unusable.
Aves - ANSWER-the class composed of birds.
B Cells - ANSWER-Produce antibodies into the bloodstream that find and attach
themselves to foreign antigens (toxins, bacteria).
Biogeochemical cycles - ANSWER-Process in which elements, chemical compounds,
and other forms of matter are passed from one organism to another and from one part
of the biosphere to another.
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