With aging the skin becomes thinner and more fragile. the thinning of the skin's subcutaneous fat layer makes older adults more sensitive to:

What types of materials are expelled from cells during exocytosis? Question 8 options: large molecules such as hormones positive and negative ions small molecules such as carbon dioxide water and glycerol

Where would you expect to find electron transport chains in a prokaryote?

Even in an adult, some cells continue to divide. Why is cell division useful even in an adult who is no longer growing?

Which is an adverse effect of a negative-growth population trend? Question 20 options: an excess burden on global natural resources inadequate financial resources to care for children too few jobs to support a large, young population too few workers

2. How could the duck-billed dinosaur tooth fossil lead scientists to believe that plants also existed in Antarctica?

Why is it possible for a liquid to take the shape of its container? A. Molecules of a liquid don't move at all. B. Molecules in any liquid are very far apart. C. All the particles in a liquid are round and smooth. D.

Which of the following is correctly matched with its tissue system? 1) cortex/dermal tissue system 2) cuticle/vascular tissue system 3) phloem/dermal tissue system 4) stele/vascular tissue system

Sickle cell anemia is an inherited disorder. Which of the following is a true statement about sickle cell anemia?

In a species of dogs, a black coat is dominant over a white coat. The offspring from a black dog and a white dog all have gray coats. This is an example of 1) incomplete dominance 2) complete dominance 3) codominanc 4) sex-lined genes

This is produced when the liver converts the carbon skeleton of an amino acid.