A polysaccharide that is made by plants and can usually be digested by humans is ________
Fill in the blank(s) with correct word
starch
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Four of the five answers listed below are related by a common gender. Select the exception
a. Barr body b. Y chromosome c. dosage compensation d. XIST gene e. X inactivation
Which of the following are single-celled fungi?
a. molds b. yeasts c. mushrooms d. more than one of these e. none of these
What is a characteristic of the all-or-none response?
a. If a stimulus is strong enough, all axons in a nerve bundle will fire simultaneously. b. A neuron will only produce an action potential if it has been depolarized to its threshold level. c. All neurons of a nerve bundle discharge impulses at the same frequency. d. A neuron can create an action potential of varying intensities. e. Either all or none of the neurons of a brain region will fire impulses when stimulated.
You have two types of cells that both produce a particular protein. You notice that when you heat up the cells, the first type of cell's protein loses function while the second type of cell's protein retains function. How is this possible?
a. The first cell has weaker mRNA. b. The protein of the second type of cell has a completely different primary structure from the protein of the first type of cell. c. The second type of cell expresses a chaperone protein that the first type does not. d. None of the other answer options is correct.