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BIO 316 Exam 1 Questions and Answers

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  • August 15, 2024
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  • Exam (elaborations)
  • Questions & answers
  • BIO 316
  • BIO 316
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BIO 316 Exam 1 Questions and
Answers
Which statement best describes an animal cell membrane?

✓ ~~~ double layer of phospholipids that is selectively permeable



Enzymes are proteins that

✓ ~~~ lower the activation energy of a reaction and are not consumed in the process



Cells use active transport to

✓ ~~~ pump ions or molecules against their concentration gradient



"High-grade" energy refers to

✓ ~~~ chemical, electrical, and mechanical energy



Which statement regarding animals is true?

a. There is no distinction between an animal and its environment.

b. Once adults, animals are structurally static.

c. All animals require energy to maintain their organization.

d. Body size is significant in the lives of only small animals.

✓ ~~~ c. All animals require energy to maintain their organization.



What is the principal advantage of conformity?

✓ ~~~ Very little energy is used by this process

, A nonessential amino acid is an amino acid that

✓ ~~~ can be synthesized by the animal



To escape from a predator, a fish most likely uses _______ muscles

✓ ~~~ fast glycolytic



In the animal cell, the overall concentration effects on Na+ diffusion cause Na+ to

_______ the cell.

✓ ~~~ move into



Compared to fish found in lower temperature habitats, fish that inhabit higher

✓ ~~~ saturated phospholipids in their brain synaptic membranes



When maintaining homeostasis, it is important to do all of the following EXCEPT

a. detect changing conditions.

b. prevent external conditions from changing. c. generate appropriate responses to

changes in the external environment.

d. process information related to the changing external environment.

e. All of the above would occur during homeostasis

✓ ~~~ prevent external conditions from changing



What is transcriptomics?

✓ ~~~ The study of the subset of genes being copied to mRNA at any given time

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