The first system to develop in the vertebrate embryo is the:a
circulatory system.
b. digestive system.
c. excretory system.
d. reproductive system.
e. nervous system.
e
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The synthesis of ATP from ADP and Pi, when coupled with an exergonic chemical reaction is called ________ phosphorylation.
A. chemiosmotic B. substrate-level C. conformational change D. oxidative
The rate differences between molecular clocks are due largely to differences in _____. Thus, the extreme case of a fast molecular clock is derived from a _____
A. the intensity of selection; histone proteins B. the size of the molecule; pseudogenes C. the intensity of selection; pseudogene D. the size of the molecule; histone proteins E. none of these
Which DNA sequence below would be a palindromic sequence?
a. AGCGCT b. AGCAGC c. AAAGGG d. ACACAC e. AGTCGT
Sami stepped into a strange, new house but sensed something that brought back a whole flood of memories about his beloved grandmother from long ago. Which sense most likely brought these special memories back?
A) vision B) olfaction C) tactile D) hearing