Campbell Biology Chapter 11 Test Bank Questions and Correct Answers
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Course
Campbell Biology
Institution
Campbell Biology
Campbell Biology Chapter 11 Test Bank
Questions and Correct AnswersCampbell Biology Chapter 11 Test Bank
Questions and Correct AnswersCampbell Biology Chapter 11 Test Bank
Questions and Correct AnswersCampbell Biology Chapter 11 Test Bank
Questions and Correct AnswersCampbell Biology Chapter 11...
Campbell Biology Chapter 11 Test Bank
Questions and Correct Answers
1) In yeast signal transduction, a yeast cell releases a mating factor, which
________.
✓ ~~~ C) binds to receptors on the membranes of other types of yeast cells
2) Yeast cells of mating type a are genetically engineered to produce only mating
factor α instead of the normal mating factor a. The gene for the mating factor
receptor was unaltered. How will these engineered cells behave in terms of mating?
✓ ~~~ C) They will mate with each other or with normal mating type a cells, but not
with normal mating type α cells.
3) In the formation of biofilms, such as those forming on unbrushed teeth, cell
signaling serves which function?
✓ ~~~ B) aggregation of bacteria that can cause cavities
4) Which of the following is a type of local signaling in which a cell secretes a signal
molecule that affects neighboring cells?
✓ ~~~ C) paracrine signaling
5) Hormones are chemical substances produced in one organ that are released into
the bloodstream and affect the function of a target organ. Which of the following
conditions is required for the target organ to respond to a particular hormone?
, ✓ ~~~ D) The target organ must have receptors that recognize and bind the hormone
molecule.
6) In which of the following ways do plant hormones differ from hormones in
animals?
✓ ~~~ A) Plant hormones frequently travel through the air as a gas.
7) When a neuron responds to a particular neurotransmitter by opening gated ion
channels, the neurotransmitter is serving as which part of the signal pathway?
✓ ~~~ C) signal molecule
8) Use the following figure to answer the question. Which of the following types of
signaling is represented in the figure?
✓ ~~~ D) synaptic
9) Use the following figure to answer the question. In the figure, the dots in the space
between the two structures represent which of the following?
✓ ~~~ C) neurotransmitters
10) Which observation suggested to Sutherland the involvement of a second
messenger in epinephrine's effect on liver cells?
✓ ~~~ B) Glycogen breakdown was observed only when epinephrine was
administered to intact cells.
11) Which of the following statements about a G protein signaling pathway is true?
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