Name the constituent parts of a nucleoside and a nucleotide
What will be an ideal response?
A nucleoside consists of a pentose sugar covalently bonded to a nitrogenous base; a nucleotide is a nucleoside with the addition of a phosphate group.
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How does her body produce antibody against C. tetani?
A. Every B cell in her body produces antibodies against C. tetani. B. Every cell in her immune system produces antibodies against C. tetani. C. The B cell with appropriate antibody is stimulated to divide, producing plasma cells that make antibodies to C. tetani, and memory cells that "remember" C. tetani. D. The B cell that produces the appropriate antibody undergoes genomic rearrangement in order to produce other cells that produce the same antibody.
How does the male gametophyte travel to the female gametophyte of the conifers?
a. insects b. self-pollination c. birds d. wind
When a neuron is at rest, ____
a. the sodium and potassium gated channels are closed b. the sodium gated channels are closed and the potassium gated channels are open c. the sodium gated channels are open and the potassium gated channels are closed d. the sodium and potassium gated channels are open e. the sodium and potassium gated channels may be open or closed depending upon their location in the nervous system
Leaflike outgrowths at the base of the leaf stalk are referred to as:
a. axils. b. blades. c. lamina. d. petioles. e. stipules.