Which of the following is/are TRUE?
What will be an ideal response?
-Some amino acids can be neurotransmitters
-Neurons can have more than one transmitter type
-Axons from one neuron can have synapses onto different parts of a second neuron, including on axons and presynaptic terminals
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In animals, when ATP concentrations are high,
glucose is converted into
a. starch. b. glycogen. c. pyruvate. d. carbon dioxide. e. glycerol
Which one of the following quantities best represents the respiratory heat lost by plants in an ecosystem?
A. gross primary productivity B. net primary productivity C. gross primary productivity - net primary productivity D. gross primary productivity - standing crop biomass E. gross primary productivity - secondary productivity
A string of 30 to 100 adenine nucleotides
A. is found in the promoter region of all genes. B. is the sequence of which introns are composed. C. is found at the 3'-end of all tRNAs. D. is found in the terminator region of all genes. E. is added to the 3'-end on mRNA during RNA processing.
During contraction
A. cross bridges of muscles filaments are broken and reformed B. ATP is used C. depletion of oxygen and glycogen will lead to muscle fatigue D. all of the above