Chapter 2 Review: Basic Chemistry, Water, Organic Macromolecules

Question 1

The unique, 3-D structure of a protein molecule is determined largely by

Accepted Answer

hydrogen bonds

Question 2

There are 3 parts to a nucleic acid. They are.....

Accepted Answer

nitrogenous base, 5 carbon sugar, phosphate group

Question 3

All organic compounds contain____________

Accepted Answer

Carbon & Hydrogen

Question 4

What is the only macromolecule that contains phosphorus.

Accepted Answer

Nucleic Acids

Question 5

An unequal sharing of electrons is best described as a ____ bond.

Accepted Answer

polar covalent

Question 6

Matter is composed of ______, which are composed of ______.

Accepted Answer

elements, atoms

Question 7

What is an enzyme?

Accepted Answer

an organic catalyst

Question 8

A solution that contains equal numbers of hydrogen & hydroxyl ions is?

Accepted Answer

neutral

Question 9

What is an example of a monosaccharide?

Accepted Answer

Fructose

Question 10

Bleach has a pH near 11 so it is ____________

Accepted Answer

Basic

Question 11

Bases reacting with acids form _______________ and water

Accepted Answer

salts

Question 12

Synthesis reactions are particularly important in the body for

Accepted Answer

growth of body parts

Question 13

_____________ holds genetic info and ______________uses that information to synthesize protein

Accepted Answer

DNA, RNA

Question 14

Which of the following does NOT affect atomic mass?

Accepted Answer

number of electrons

Question 15

The primary function of a nucleic Acid is__________________

Accepted Answer

Transmit genetic information

Question 16

The area around the nucleus contains______________.

Accepted Answer

Electrons

Question 17

Water has a pH of 7 meaning it is

Accepted Answer

neutral

Question 18

Which of the following substances account for more than 95% of the human body?

Accepted Answer

C, H, O, N

Question 19

Polysaccharide for short term energy storage in plants.

Accepted Answer

starch

Question 20

In which macromolecule do enzymes belong

Accepted Answer

Protein

Question 21

Which of the following is an example of a polar covalent bond?

Accepted Answer

water molecule

Question 22

Polysaccharide for short-term energy storage in animals.

Accepted Answer

glycogen

Question 23

The type of organic molecule that can replicate itself

Accepted Answer

nucleic acid

Chapter 2 Review: Basic Chemistry, Water, Organic Macromolecules

Questions 23

Chapter 2 Review: Basic Chemistry, Water, Organic Macromolecules

Questions 23