Q: Osmotic pressure is important in biological systems because cell walls are what? Choices: - impassable - theonym membranes - variably membranes - semipermeable membranes A:
semipermeable membranes

(Question)
Q: What can be calculated by solving the average speed formula? Choices: - accelaration - distance or mass - mass or time - distance or time A:
(Answer)
distance or time

Ques: Q: What is a soft, gray, nontoxic alkaline earth metal? Choices: - pewter - magnesium - potassium - calcium A:
Ans: calcium

(Q).
Q: Rna is especially important during synthesis of what? Choices: - glucose - mitochondria - sulfur - protein A:
(A).
protein

Ques:Q: What two ways may light be transmitted? Choices: - magnified or scattered - reflected or refracted - absorption and refraction - refracted or scattered A:

Ans:refracted or scattered

Ques: Q: Each month, starting in puberty, one egg matures and is released from where? Choices: - pollen - testes - uterus - ovary A:
Ans:
ovary