Which of the following build(s) new strands of DNA?
a. The leading strand
b. DNA polymerases
c. The lagging strand
d. Parental DNA
e. The origins of replication
Answer: b. DNA polymerases
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Which process is responsible for the release of neurotransmitters from the presynaptic neuron into the synapse?
a. diffusion b. endocytosis c. exocytosis d. fusion e. synaptic release
Explain the intermediate disturbance hypothesis
What will be an ideal response?
What is the evidence that genes are involved in a white-crowned sparrow learning to sing?
A. If the sparrows are deafened after learning to sing, they will sing abnormally as adults. B. If they do not hear singing from other white-crowned sparrows, they will eventually learn to sing normally. C. If they hear singing from both white-crowned sparrows and other species of sparrows, they will sing abnormally. D. If they do not hear singing from other white-crowned sparrows, they will sing, but abnormally. E. If they do not hear singing from other white-crowned sparrows, they will not sing at all.
Which compound provides a slippery consistency in the lungs preventing the alveoli walls from sticking together?
A) oxygen B) carbon dioxide C) surfactant D) respiratory pigments