Which of the following act as enzymes?

A. proteins

B. amino acids

C. carbohydrates

D. lipids

What was that reason to do that reason

If i rolled up a piece of paper, lit it on fire, blew it out, and "smoked it", am I a smoker?

What are some of the ways in which plants encourage or trick animals into carrying their pollen to other plants? subject is science

Cluster sampling and stratified sampling both involve selecting subjects in subgroups of population. What's the difference between those two types of sampling?

Which of the following would be a personal responsiblity in the united states?

After 3 puppies were added to a farm, there were 4 times as many puppies as before. How many puppies were at the farm before the addition?

What is the definition of a reach school? a school where you have no chance of admission a school where you have a small, but possible, chance of admission a school where you have a good chance of admission a school where you have an almost

Which of the following best describes general information you would consider about choosing a 4 year college?

What does a scientist do

Which scenario describes intraspecific, indirect competition? A. A peacock defends its territory against another peacock. B. Lions and hyenas compete for the same prey animals. C.