Which of the following is an enzyme?
A) iron
B) histidine
C) carboxypeptidase A
D) ATP
E) N-acetylmuramic acid
C) carboxypeptidase A
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VNTRs and STRs differ in that
A) a VNTR repeat is shorter than an STR repeat. B) a VNTR repeat is longer than an STR repeat. C) a VNTR is a type of copy number variant and an STR is not. D) an STR is a type of copy number variant and a VNTR is not.
When a sea star loses a leg and the leg grows into an adult sea star, this is an example of which of the following?
a. parthenogenesis b. hermaphroditic mating c. fragmentation d. budding
The scanning electron microscope differs from the transmission electron microscope in that the
scanning electron microscope:a. can view a live specimen. b. relies on the detection of electrons from the beam after contact with the specimens. c. can view the internal structure of a cell. d. utilizes a beam of light that passes through the specimen. e. gives a three dimensional image of the object being studied
Which term best describes a trait that is shared by all members of a clade and only by members of that clade?
a) molecular clocks b) dichotomous structures c) derived characters d) nodes