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Test (elaborations) Biology ( 100% correct answers)
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Biology test with answers1: Humans cannot digest cellulose because:
a) it does not contain sugars
b) it is made up of disaccharides
c) it is made up of monosaccharides
d) humans lack the proper enzymes
ANSWER: D -- HUMANS LACK THE PROPER ENZYMES
2: Cholesterol, testosterone, and estrogen are all examples of:
a) proteins
b) steroids
c) nucleic acids
d) alcohols
ANSWER: B -- STEROIDS
3: What is sometimes called animal starch?
ANSWER: GLYCOGEN
4: How many PAIRS of nerves leave the vertebrate brain?
ANSWER: 12
5; The vertebrate eyeball is bounded anteriorly by what convex,
transparent object?
ANSWER: CORNEA
6: What are the names given to the basic subunits of a nucleic acid.
ANSWER: MONONUCLEOTIDES or NUCLEOTIDES
7: What is the term given to enzymes whose action is modulated by
binding of a molecule to a site other than the active site?
ANSWER: ALLOSTERIC ENZYMES
8: The muscle attachment to the bone of lesser movement is called the
muscle's:
a) insertion
b) head
c) origin
d) tail
ANSWER: C -- ORIGIN
9: DNA present in a structural gene that does not seem to have a specific
, coding function is known as what?
ANSWER: INTRON
10: The organic portion of bone consists of which one of the following
proteins.
a) fibrin
b) collagen
c) actin
d) myosin
ANSWER: B -- COLLAGEN
11: Octopus and squid belong to the class of molluscs known as:
a) cephalopoda (pron: sef-eh-lah-pod-ah)
b) bivalvia
c) gastropoda (pron: gas-tro-pod-ah)
d) polyplacophora (pron: poly-pla-so-for-ah)
ANSWER: A -- CEPHALOPODA
12: The name given to a structure present in angiosperms but lacking in
gymnosperms is?
ANSWER: OVARY or OVULARY
13: In mammals, the primary function of the loop of Henle is:
a) reabsorption of water
b) water secretion
c) ammonia secretion
d) bicarbonate reabsorption
ANSWER: A -- REABSORPTION OF WATER
14: What is the name of the phenomenon that occurs when tissue culture is
infected with one type of virus that causes the culture to resist infection by a second type of
virus?
ANSWER: VIRAL INTERFERENCE or INTERFERENCE
15: What are gas bubbles which form within plant cells o in blood known
as?
ANSWER: EMBOLISM
16: What are the water conducting cells in non-flowering vascular plants
know as?
ANSWER: TRACHEIDS
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