Science Bowl

BIOLOGY

Biology - 4

BIOL-91; Multiple Choice: Which of the following are skin receptors in humans that are sensitive
to heat?  Are they:

a) end organs of Krause
b) Meissner's corpuscles
c) end organs of Ruffini
d) Pacinian corpuscles

ANSWER:  C -- END ORGANS OF RUFFINI

BIOL-91; Multiple Choice:   Into which of the following acids is glucose broken down in the first
stage of carbohydrate metabolism?  Is it: 

a) pyruvic acid

(pie-rue-vick acid)

b) lactic acid
c) hydrochloric acid
d) citric acid

ANSWER:  A -- PYRUVIC ACID

BIOL-91; Multiple Choice:  Hormones are composed from many classes of molecules.  As far as
our present knowledge extends, hormones are NOT found in which of the following categories of
substances:

a)  proteins
b)  peptides
c)  nucleic acids
d)  steroids

ANSWER:   C -- NUCLEIC ACIDS

BIOL-91; Short Answer:  What is the term given to a fatty acid that has more than one set of
double bonds between carbons?

ANSWER:  POLYUNSATURATED

BIOL-91; Multiple Choice:  The process by which an amino acid loses its amino group is called:

a)  hydration
b)  deamination
c)  oxidoamination
d)  dehydration

ANSWER:   B -- DEAMINATION