Which gland is associated with biological clocks or biorhythms?
a. pineal
b. parathyroid
c. hypothalamus
d. pituitary
e. thymus
A
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The vertebrate autonomic system
a. carries signals to and from visceral organs. b. is a functional division of the peripheral nervous system. c. includes the sympathetic and parasympathetic divisions. d. includes afferent and efferent nerve fibers. e. includes all of these descriptions.
Chromosomes that look alike and carry the same sequence of genes for the same traits are
A. the X and Y chromosome. B. all the autosomes. C. homologous chromosomes. D. found in females only. E. found in males only.
Eukaryotic cells move their organelles using
A) flagella B) the endomembrane system C) the cytoskeleton D) cilia E) the plasma membrane
Explain why insertions and deletions are called frameshift mutations, using the terms reading frame, codons, and amino acids in your answer.