Which of the following statements concerning unsaturated fats is true?
a. they are more common in animals than plants
b. they have double bonds in the carbon chains of their fatty acids
c. They generally solidify at room temperature
d. They contain more hydrogen than saturated fats having the same number of carbon atoms
e. they have fewer fatty acid molecules per fat molecule
Answer: b. they have double bonds in the carbon chains of their fatty acids
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Which of the following changes take place as the muscle contracts?
A) The Z lines get closer together. B) The H zones get smaller. C) The I band gets smaller. D) The A band gets smaller. E) choices A, B, and C
Respiratory proteins will contain metal ions that will bind to ________ when the oxygen concentration is ________
a. oxygen, low b. nitrogen, high c. carbon dioxide, low d. oxygen, high e. carbon dioxide, high
EPSPs can form due to the diffusion of Na+ across a neuron plasma membrane
Indicate whether the statement is true or false.
Proteins interact with one another, or with components of the cellular membrane, by means of _________.
a) specific types of interaction domains b) intercellular glue c) the SH3 domain d) peptide bonds