Q: Lactic acid fermentation is common in muscle cells that have run out of what? Choices: - carbon - helium - nitrogen - oxygen A:
oxygen

(Question)
Q: On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this? Choices: - embryo sac - neural sac - algae sac - yolk sac A:
(Answer)
yolk sac

Ques: Q: Gases can be classifed as real or what? Choices: - noble - shape - dense - ideal A:
Ans: ideal

(Q).
Q: How do you determine the atomic weight of an element? Choices: - multiply protons and neutrons - subtract protons from electrons - divide protons and neutrons - add up protons and neutrons A:
(A).
add up protons and neutrons

Ques:Q: What is the term for when clumped solids sink to the bottom of the water? Choices: - Clumping - sediment - Foundation - sedimentation A:

Ans:sedimentation

Q: What is an organic compound that is made up of only carbon and hydrogen? Choices: - an acid - a catalyst - a component - a hydrocarbon A:
a hydrocarbon