Q: What takes over the synthesis and secretion of progesterone throughout pregnancy as the corpus luteum degenerates? Choices: - vagina - uterus - ovaries - placenta A:
placenta

(Question)
Q: What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means? Choices: - hypothetical - fictional - natural - supernatural A:
(Answer)
supernatural

Ques: Q: What sulfur compound occurs in volcanic gases and in the atmosphere near industrial plants? Choices: - sulfur hydroxide - carbon sulfide - nitrogen sulfide - sulfur dioxide A:
Ans: sulfur dioxide

(Q).
Q: In a cell cycle, what kind of regulator molecules allow advancement to the next stage? Choices: - strong - similar - negative - positive A:
(A).
positive

Ques:Q: What does photosynthesis allow plants to generate? Choices: - enriched molecules - geometric molecules - clorophyll - organic molecules A:

Ans:organic molecules

Ques:Q: Portal veins carry blood between what? Choices: - chambers of the heart - digestive organs - arteries - pairs of capillary beds A:

Ans:
pairs of capillary beds