Q: Digestive enzymes secreted in the acidic environment (low ph) of the stomach help break down what? Choices: - molecules - particles - cells - proteins A:
proteins

(Question)
Q: What is the measure of kinetic energy of the particles in matter? Choices: - energy - precipitation - friction - temperature A:
(Answer)
temperature

Ques: Q: Unevenness or asymmetry in the focus of the eye describes what visual defect? Choices: - presbyopia - hyperopia - myopia - astigmatism A:
Ans: astigmatism

(Q).
Q: Species distributions are a consequence of both ecological and evolutionary what? Choices: - fluctuations - particles - isolation - interactions A:
(A).
interactions

Ques:Q: Gram-positive and gram-negative bacteria are distinguished by thickness of what? Choices: - cell membrane - cell weight - cell length - cell wall A:

Ans:cell wall

Q: What is needed to provide cells with the oxygen they need for cellular respiration? Choices: - vascular tissue - passive transport - photosynthesis - gas exchange A:
gas exchange