Q: What is the smallest contractile portion of a muscle? Choices: - filaments - cell - capillary - sarcomere A:
sarcomere

(Question)
Q: What is the active ingredient in household bleach? Choices: - magnesium - oxygen - iodine - chlorine A:
(Answer)
chlorine

Ques: Q: Did the the open circulatory systems of molluscs and arthropods arise dependently or independently of each other? Choices: - dependently - together - separately - independently A:
Ans: independently

(Q).
Q: What makes and stores pigments that give petals and fruit their orange and yellow colors? Choices: - sporozoans - protozoa - pores - chromoplasts A:
(A).
chromoplasts

Ques:Q: Only finished mrnas are exported from the nucleus to what? Choices: - amino acids - cerebellum - electron - cytoplasm A:

Ans:cytoplasm

Q: In ovoviviparous fish like shark, what develops inside the mother's body but without nourishment from the mother? Choices: - genes - spores - molecules - eggs A:
eggs