The side group (R group) of the amino acid shown above contains which of the following functional
groups?
a. hydroxyl
b. carbonyl
c. carboxyl
d. sulfhydryl
e. amino
D
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Cells able to divide and form some types of cells in an organism are called:a
pluripotent stem cells. b. terminal differentiation cells. c. determinate cells. d. morphogenic cells. e. developmental plastic cells.
Which of the following is true of monocot leaves?
a. Many monocots have a distinct palisade layer. b. Many monocots lack a petiole. c. Many monocots have a distinct spongy layer. d. Many monocot leaves are broad. e. Many monocot leaves have netted venation.
What happens if twice as many inhibitory postsynaptic potentials (IPSPs) as excitatory postsynaptic potentials (EPSPs) arrive at a postsynaptic neuron in close proximity?
A) A stronger action potential results. B) A weaker action potential results. C) No action potential results.
Marceau is studying small single-celled organisms that lack nuclei. These organisms can be broadly classified into the domain:
A. Animalia B. Bacteria C. Fungi D. Protista