A nonavian reptile is and has a body temperature _.
A. ectothermic; that changes with fluctuation in environmental temperature
B. endothermic; that changes with fluctuation in environmental temperature
C. ectothermic; maintained by its own metabolism
D. endothermic; maintained by its own metabolism
E. None of the answer choices is correct.
A. ectothermic; that changes with fluctuation in environmental temperature
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The mechanism for adenosine triphosphate (ATP) production in which high-energy phosphate bonds produced by the central metabolic pathways are donated to adenosine diphosphate (ADP) to form ATP is:
a. substrate-level phosphorylation. b. fermentative metabolism. c. oxidative phosphorylation. d. aerobic respiration.
________ involves separating proteins by differences in electrostatic charge
A) Affinity chromatography B) Mass spectroscopy C) Size-exclusion chromatography D) Ion-exchange chromatography E) Gel-filtration chromatography
What physiological processes are involved in lactation?
What will be an ideal response?
Which statement is true about the association of histone proteins and DNA?
A. Each histone protein has a deep groove into which a DNA double helix tightly fits. B. Histone proteins insert themselves into the major groove of DNA. C. Histone proteins form hydrogen bonds with the nucleotide bases of DNA. D. Histone proteins have a high proportion of positively charged amino acids, which bind tightly to the negatively charged DNA backbone. E. Histone proteins have a high proportion of negatively charged amino acids, which bind tightly to the positively charged DNA backbone.