Which choice is a chemical messenger that can directly influence gene expression? a. nonsteroid hormone b. steroid hormone c. ATP d. cAMP

What is the difference between amoeba and paramecium? s?

How many pairs of chromosomes does a human have in their liver cells

Which of the following explains how osteoclasts and osteoblasts remodel bone? Osteoclast remove old bone while osteoblasts build new bone. Osteoblast remove old bone while osteclasts build new bone.

According to the Nutrition Facts panel on a box of granola bars, a single bar provide 5 grams of fat, 19 grams of carbohydrate, and 7 grams of protein. After working out, Carter ate 3 of the granola bars.

What is metabolic rate?

C. Which specific biomolecule (lipid, protein, nucleic acid, carbohydrate) is each food mostly made of?

1. In the list above, circle the word that means what a scientist changes in an experiment.

What is a sentence using Active Transport?

The wind-chill effect refers to the fact that exposure to a cold environment can cause frostbite. a. True b. False

The anther is supported by?