Ectothermic animals:a
depend on heat from the external environment to adjust their body temperatures.
b. may dilate blood vessels to increase blood flow and heat to the skin.
c. maintain a relatively constant body temperature despite external temperatures.
d. may have feathers to keep them insulated.
e. may have body fat to keep them insulated.
a
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In glycolysis, ATP is synthesized via:
A. substrate level phosphorylation. B. oxidative phosphorylation. C. both substrate level and oxidative phosphorylation. D. electron carriers. E. redox reactions.
What type of thinking is required?
What will be an ideal response?
The best agricultural soil would be composed of a high proportion of
a. clay. b. loam. c. silt. d. soil. e. gravel.
Which enzyme joins the paired sticky ends of DNA fragments?
A. Reverse transcriptase B. Restriction enzyme C. DNA ligase D. DNA polymerase E. Polynucleotide kinase