Biology: Chapter 2 - Chemistry of Life

Question 1

What is formed when one substance is dissolved in another?

Accepted Answer

Solution

Question 2

Which of the following is not an example of a nucleic acid?

Accepted Answer

WAX

Question 3

Which organic molecule is represented in this diagram?

Accepted Answer

nucleic acid

Question 4

Neutrons have what charge?

Accepted Answer

Neutral

Question 5

Which organic molecule is represented by this diagram?

Accepted Answer

amino acid

Question 6

What are the function of lipids?

Accepted Answer

Long-term energy storage

Question 7

Which organic molecule is represented in this diagram?

Accepted Answer

lipid

Question 8

Water is

Accepted Answer

Polar

Question 9

Which of the following is a function of lipids?

Accepted Answer

store energy

Question 10

The monomer of a carbohydrate is called

Accepted Answer

a monosaccharide

Question 11

Which one is a macromolecule?

Accepted Answer

Lipids, Nucleic Acids, Proteins, Carbohydrates

Question 12

What type of charge does water (H2O) have?

Accepted Answer

A slightly positive and slightly negative charge

Question 13

The monomers that make up a DNA molecule are

Accepted Answer

nucleotides

Question 14

What is an atom that has gained or lost an electron?

Accepted Answer

Ion

Question 15

What type of bond forms when atoms share a pair of electrons?

Accepted Answer

Covalent

Question 16

Which organic molecule is represented in this diagram?

Accepted Answer

carbohydrate

Question 17

A proton has what type of charge?

Accepted Answer

neutral, positive

Question 18

What is the monomer of a protein?

Accepted Answer

Amino acids

Question 19

Which of the following is not a function of proteins?

Accepted Answer

store and transmit genetic information

Questions 19