Proteins are compounds formed in the cells of plants and animals. Which element is included in very protein molecule? a. Calcium
b. Carbon
c. Fluorine
d. Sodium

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?