Select all that apply: carbohydrates : in the body are primarily fatsb: are primarily sugars and starchesc: are the most readily available source of energy for organismsd: are the largest of the four main biological macromolecules

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.

Which of the following is not one of the mechanisms of enzyme catalysis by which the substrate is converted to the product? a. changing substrate orientation b. changing substrate reactivity c. inducing strain in the substrate d. preventing an induced fit d. preventing an induced fit