In adults, where are the stem cells that make new cells to protect the

intestines?

A. In the bones

B. In the brain

C. In the layers of skin

D. In the digestive tract

Which of the following facets of biology is explained by evolution? a. lack of genetic and physical change b. separation of structure and function c. diversity and unity d. stimulus and response

An animal without a body cavity is called a. atypical b. acentric c. acoelomate d. asymmetrical

Which of the following is true about carbon monoxide?

Describe the relationship between the two vocabulary terms given. Phenotype & Genotype

What is the central dogma of biology? How does coronavirus defy traditional models of central dogma?

When a nurse rubs your skin with rubbing alcohol prior to administering an injection, what process (es) is he carrying out? select all that apply?

Which of these is not an organism? a) lungs b) bacteria c) mold d) human

Why might to elements proces why might to elements possess similar chemical properties?

What happens in the electric circuit when the magnet spins?

An enzyme used to covalently join dna segments to form recombinant dna molecules is called a