Q: Acidity is measured on what kind of scale? Choices: - electromagnetic scale - caloric scale - pneumatic scale - ph scale A:
ph scale

(Question)
Q: The sites of protein synthesis are tiny structures called? Choices: - crystals - protons - prokaryotes - ribosomes A:
(Answer)
ribosomes

Ques: Q: What is composed of two strands of nucleotides in a double-helical structure? Choices: - molecule - RNA - bacteria - dna A:
Ans: dna

(Q).
Q: Along with muscles, what helps the body move with relatively little force? Choices: - glands - limbs - nerves - joints A:
(A).
joints

Ques:Q: What lengths are positive for converging lens and negative for diverging lens? Choices: - light lengths - wavelengths - differential lengths - focal lengths A:

Ans:focal lengths

Ques:Q: Common among mammals and insects, pheromones are often related to what type of behavior? Choices: - aggressive - immune - cardiac - reproductive A:

Ans:
reproductive