Practice Test

Question 1

Where does a peptide bond form?

Revolt · Accepted Answer

C: between the amino group of one amino acid and the carboxyl group of another amino acid

Question 2

What scientific knowledge about macromolecules is a direct result of Gerardus Johnannes Mulder’s 1838 discovery?

Revolt · Accepted Answer

C: All proteins contain carbon, hydrogen, oxygen, and nitrogen.

Question 3

What type of lipid is estrogen?

Revolt · Accepted Answer

D: steroid

Question 4

Which component is affected when a catalyst is added to a chemical reaction?

Revolt · Accepted Answer

D: the activation energy

Question 5

In which part of the body is glycogen stored?

Revolt · Accepted Answer

A: liver

Question 6

There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass. Why is this statement true?

Revolt · Accepted Answer

A: Hydrogen atoms have a lower mass than oxygen atoms.

Question 7

Which statement describes one way that RNA differs from DNA?

Revolt · Accepted Answer

C: They contain different five-carbon sugars and a different nitrogenous base.

Question 8

Which reaction is exothermic?

Revolt · Accepted Answer

C: a reaction that releases energy into the environment

Question 9

A scientist is working with methane open paren CH sub 4 close paren and butane open paren cap c sub 4 cap h sub 10 close paren Which statement best compares these chemicals?

Revolt · Accepted Answer

A: They are compounds made of the same two elements, but each contain different numbers of atoms.

Question 10

Which type of macromolecule is made up of subunits that are called amino acids?

Revolt · Accepted Answer

B: protein

Practice Test Answers

More from this Course

TRY EDGENUITY HACKS