A glucose molecule is the A. smallest type of protein. B. monomer of starch and cellulose C. largest of the carbohydrate polymers D. fundamental unit of genetic material

The structure of DNA resembles a twisted ladder. Which structural components form the rings of the ladder? A) deoxyribose sugars B) phosphate groups C) nitrogenous base pairs D) ribosomes

A scientist discovers a new virus with a linear, RNA genome surrounded by a helical capsid. The virus is most likely a member of which family based on structure classification?

What is the difference between vertebrates and invertebrates

Which of the following describes an organ system? a group of atoms working together a group of cells working together a group of tissues working together a group of organs working together

A food chain shows the flow of energy in an ecosystem. Choose an ecosystem and describe a food chain of four organisms that includes at least one producer

A nurse is assessing a client with a diagnosis of primary open-angle glaucoma. which ocular symptom should the nurse expect the client to report?

The speed of neural impulses along an axon is increased greatly by

True or false: the northern lights are caused by earth magnetic field

Which of the following is a function of the nucleus? A) stores DNA B) stores sugars C) builds proteins D) packages proteins

Animals are motile because they have: a. energy b. metabolism c. nerve and muscle fibers d. legs or wings