The products of exergonic pathways are usually:
a. lower in energy
b. higher in energy
c. larger and higher in energy
d. smaller and higher in energy
e. smaller and lower in energy
e
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Which of the following statements is not true concerning root hairs?
a. They are tubular extensions of epidermal cells. b. They are continually formed in the area of cell maturation. c. They are quite numerous. d. They greatly increase the absorptive capacity of roots. e. They are long lived .
Many metabolic pathways are ultimately concerned with ATP; either with the generation of ATP, or with the requirement of ATP for that pathway to function. Why is ATP so important to metabolism?
A. Hydrolysis of the bond between adenine and ribose in ATP is commonly used to release energy that can be used to drive other cellular reactions B. ATP is a protein that serves as the energy currency of cells C. Hydrolysis of ATP is used to drive exergonic reactions D. The phosphate groups of ATP are held together by unstable bonds that can be broken to release energy
Which of the following is NOT a developmental process that explains the relationship beteween the notochord, somites, and limb muscles?
A. induction B. proliferation C. differential expansion D cell movement E. differentiation F. all of these describe the relationship between somites and limb development
Four of the five answers listed below are related by a similar sensation. Select the exception
a. incus b. organ of Corti c. tectorial membrane d. oval window e. Pacinian corpuscle