Q: What is it called when a mistake occurs in dna replication. Choices: - adaptation - degradation - radiation - mutation A:
mutation

(Question)
Q: What small glands are abundant within the mucous membranes of the mouth and tongue? Choices: - hypothalamus glands - retinal glands - localized glands - salivary glands A:
(Answer)
salivary glands

Ques: Q: Which hormones work together to control the level of glucose in the blood? Choices: - insulin and estrogen - serotonin and glucagon - testosterone and insulin - insulin and glucagon A:
Ans: insulin and glucagon

(Q).
Q: A voltage source and a conductor are common to all what? Choices: - magnets - thermometers - cooling circuits - electric circuits A:
(A).
electric circuits

Ques:Q: What forms when crystals precipitate out from a liquid? Choices: - liquid sedimentary rocks - plasma sedimentary rocks - plants sedimentary rocks - chemical sedimentary rocks A:

Ans:chemical sedimentary rocks

Question: Q: What is the membrane that surrounds a fetus called? Choices: - cell membrane - umbilicus - umbilical sac - amniotic sac A:
Answer:
amniotic sac