Proteins that speed up chemical reactions without being used up or destroyed in the process are called

a. amino acids

b. enzymes

c. oxidative cells

d. antibodies

Consider the following prediction. Prediction: If cows need to eat protein to build muscle tissue, then an increase in the amount of protein in a cow's diet will result in an increase in the average weight of a cow over a two-year period.

What is the significance of the crossing over that occurs between homologous chromosomes during meiosis? A. It causes chromosomes to condense. B. It maintains the diploid number of the species. C. It reduces chromosomes from 2n to n. D.

What global phenomenon has caused some organisms to move towards the poles or to higher altitudes?

What links the 2 sister chromatids?

What scientific field was created when recombinant dna was first made in the 1970s

During the cardiac cycle, the bicuspid valve closes: a. while the ventricle is in diastole b. when the ventricle is in systole c. while the atrium is contracting

What is a gene family? what mechanism generates them?

Calculate the percent increase in HFC emissions between the years 2005 and 2015. A) 10% B) 50% C) 100% D) 200%

Small adaptations allow species to occupy similar niches. O True O False

People who have hemophilia would probably be most concerned about