The innermost lining of the gastrointestinal tract is the ________
A) serosa B) submucosa C) muscularis D) mucosa
Answer: D
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Which of the following statements about the bacterial ribosome is nottrue?
A. The 70S ribosome is a complex of 50S and 30S subunits. B. The entire protein component of the 30S subunit is a single polypeptide chain. C. Each ribosomal subunit contains at least one RNA molecule. D. An rRNA molecule, rather than protein, catalyzes peptidebond formation.
What do synaptic signaling and paracrine signaling have in common?
A. Cells release a signal that affects it and neighboring cells. B. Cells release a signal that affects cells at long distances. C. Cells release a signal through gap junctions to affect neighboring cells. D. Cells bind a membrane bound signal on a neighboring cell. E. Cells release a signal that affects neighboring cells.
Describe two classes of proteins known to be involved in the regulation of the cell cycle
What will be an ideal response?
Diagram a flower, labeling the parts and identify the function of each labeled part from the following
list: a) reproduction male, b) reproduction female, c) attracting a pollinator, d) point of attachment of flower parts, and e) protection for a bud. What will be an ideal response?