Which part of an amino acid is the only one that varies and is what defines its properties? A. The amino group B. The R group C. The carboxylic acid group D. The nitrogen base

When egg whites are whipped they stiffen into a meringue. the change that occurs in the protein is called?

Someome who studies ocean currents is called

Polymers are formed by joining several units called monomers. what does the term monomer refer to? the answers are a unit made up of several compounds a unit made of several atoms a unit made of several molecules

What are the levels of organization in multicellular organisms

Which of the following is an important function of selenium

Name some proteins that are made at ribosomes.

Which describes organs in the human body? the largest living unit a group of cells that work together to perform a common function a group of tissues that work together to perform a common function the smallest living unit

Horses and donkeys can breed and produce sterile offspring known as mules. Horses and donkeys remain separate species because of this hybrid sterility, which is: 1. an allopatric barrier to reproduction. 2. a postzygotic barrier to reproduction. 3.

A group of cells working together is known as what

What do amoeba proteus, dinoflagellate, and euglena viridis have in common? a. they all can move and make their own food b. they all can move and use eye spot to locate food c. they all can move and be heterotrophic d.