Ques: Q: What do you call the type of molecular signals that include insulin and that help regulate a number of biochemical processes? Choices: - nerves - acids - enzymes - hormones A:
Ans: hormones

Ques: Q: Normal blood is comprised of nearly half erythrocytes, which is another word for what cells? Choices: - monocytes - white blood cells - plateletes - red blood cells A:
Ans: red blood cells

Ques: Q: How many alleles control a characteristic? Choices: - 3 - 4 - 8 - 2 A:
Ans: 2

Ques: Q: Tropical, temperate, continental, and polar are all examples of what? Choices: - land formations - lakes - deserts - climates A:
Ans:
climates