Q: The help with diffusion comes from special proteins in the membrane known as what? Choices: - lazy proteins - navigation proteins - installation proteins - transport proteins A:
transport proteins

(Question)
Q: Full siblings share how many genes with each other? Choices: - 75% - 100% - 25% - half A:
(Answer)
half

Ques: Q: Because they control many cell activities - as well as being controlled by feedback mechanisms - what substances are very important for homeostasis? Choices: - acids - proteins - enzymes - hormones A:
Ans: hormones

(Q).
Q: The hydroxyl radical is highly reactive because it has what? Choices: - unpaired neutron - paired proton - paired electron - unpaired electron A:
(A).
unpaired electron

Ques:Q: What layer of skin is directly under the epidermis? Choices: - the aponeurosis - hypodermis - sweat glands - the dermis A:

Ans:the dermis

Question: Q: Cancer involves what changes that modify cell-cycle control and alter the growth rate or progression of the cell through the cell cycle? Choices: - deletions - enhancements - stabilization - mutations A:
Answer:
mutations