Structures that have no apparent function but had a function in ancestral species are
A. the fossil record.
B. vestigial structures.
C. development.
D. the molecular record.
E. homology.
Answer: B
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Four of the five answers listed below are saturated fats. Select the exception
a. butter b. bacon c. margarine d. animal fat e. lard
The anaerobic Clostridium species are troublesome pathogens largely because of their capacity for
A) endospore production. B) rapid reproduction. C) oxygen production. D) biofilm production. E) high salt tolerance.
In saltatory conduction, nerve impulses jump from one exposed region of the axon to another. This exposed region is called the ________
A) interneurons B) motor end plate C) node of Ranvier D) Schwann cell gap
Describe the mechanisms of action of antibodies.
What will be an ideal response?