Q: Which factor often changes a protein from an inactive form to an active form? Choices: - oxygen groups addition - lipid groups addition - nitrogen groups addition - phosphate groups addition A:
phosphate groups addition

(Question)
Q: The primary nitrogenous waste material secreted by ureotelic animals is what substance? Choices: - ammonia - carbon - nitrate - urea A:
(Answer)
urea

Ques: Q: Traditional classification of mammals are based on similarities in what two things? Choices: - solution & function - density & function - Density and Structure - structure & function A:
Ans: structure & function

(Q).
Q: The chemical used by the ants to weed their garden turns out to be what kind? Choices: - sulfide acid - nitric acid - sealant acid - formic acid A:
(A).
formic acid

Ques:Q: When light strikes rhodopsin, the g-protein transducin is activated, which in turn activates what? Choices: - aldosterone - photosynthesis - hydrolysis - phosphodiesterase A:

Ans:phosphodiesterase

Q: Specialized features of populations of galapagos finches inspired what theory? Choices: - evolution by isolation - evolution by force - evolution by reaction - evolution by natural selection A:
evolution by natural selection