PCR joins many small DNA molecules into a long chain
Indicate whether the statement is true or false
FALSE
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A channel that opens in response to the binding of a specific molecule, which is usually NOT the solute that passes through the channel is called a(n)_____.
a) positive-gated channel b) ligand-gate channel c) voltage-gated channel d) electric-gated channel e) charge-gated channel
When glucose levels are high in the body, insulin causes the excess glucose to be converted into glycogen. When glucose levels are low, the hormone glucagon causes the conversion of glycogen back to glucose. This process is known as:
A) Krebs cycle reaction B) Gluconeogenesis C) Glycogenolysis D) Glucogenesis
In the presence of DNA-binding protein Sp1, transcription is:
A. increased if H1 is at low levels. B. decreased if H1 is at low levels. C. increased if H1 is at high levels. D. not affected by H1.
Chemicals used to attract mates are called
A. hormones. B. allomones. C. pheromones. D. allelopaths. E. genetic byproducts.