Which is true about the structure and function of a gene?
A. It is an uncoiled protein that contains information necessary for the synthesis of other proteins.
B. It is a sequence of nucleotides in DNA that acts as an enzyme to digest proteins.
C. It is composed of many molecules of DNA and contains information needed to make RNA.
D. It is a sequence of nucleotides in DNA that contains information necessary for the synthesis of proteins.
D
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In CT imaging, the X-ray beam is parallel to the part being imaged.
Answer the following statement true (T) or false (F)
The fluid-filled cavity separating the inner cell mass from the trophoblast is the
A) amniotic cavity. B) blastocoele. C) epiblast. D) lacuna. E) hypoblast.
The wall of the left ventricle is thicker than the wall of the right ventricle, which allows the
a. left ventricle to pump much more blood than the right ventricle b. right ventricle to hold more blood than the left ventricle c. left ventricle to pump blood into a higher-resistance, higher-pressure system d. right ventricle to create higher tension within its walls e. left ventricle to pump oxygenated blood,
The postganglionic sympathetic neurons innervating the gastrointestinal tract lie in which ganglia?
A. dorsal root ganglia B. nodose ganglia C. ventral horn of the spinal cord D. paravertebral ganglia E. prevertebral ganglia