The type of bond illustrated in Figure 2-2 is:
a. an ionic bond.
b. a polar bond.
c. a single covalent bond.
d. a hydrogen bond.
e. a double covalent bond.
C
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Which one of the following best describes why genome sequencing can be complicated by repeated sequences?
A. The repeated sequences are often longer than the sequences obtained by automated sequencing. B. Automated sequencing devices interpret repeated sequences as a single sequence. C. Repeated sequences artificially inflate the genome size, leading to an exaggerated interpretation of the complexity of the organism. D. The repeated sequences are too small to gather usable sequence information from. E. All of the answer options describe why genome sequencing can be complicated by repeated sequences.
Animal body plans can evolve, because changes in genes that regulate development will alter body form. However, some factors limit the changes that can occur. Describe these factors
What will be an ideal response?
A primary oocyte is indicated by
a. A. b. B. c. C. d. D. e. E.
Which statement concerning neurotransmitter release at the effector is true?
a. Preganglionic parasympathetic neurons release serotonin. b. Preganglionic sympathetic neurons release norepinephrine. c. Postganglionic parasympathetic neurons release norepinephrine. d. Postganglionic sympathetic neurons release acetylcholine. e. Postganglionic sympathetic neurons release norepinephrine.