What are the steps of gene expression? A) 1. DNA gives rise to proteins. 2. Proteins make genes. 3. Genes are traits.

B) 1. RNA makes proteins. 2. Proteins catalyze chemical reactions. 3. Chemical reactions result in DNA.

C) 1. DNA forms genes. 2. Genes are expressed proteins. 3. Proteins give rise to RNA.

D) 1. DNA gives rise to RNA. 2. RNA gives rise to proteins. 3. Proteins catalyze chemical reactions that generate traits.​

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.