Chapter 1: Biochemistry Basics

Question 1

What is anything that has mass and occupies space?

Answer 1

matter

Question 2

What are the most abundant elements in living matter?

Answer 2

carbon, hydrogen, nitrogen, oxygen, phosphorous, and sulfur

Question 3

List the then three parts that make up an atom.

Answer 3

Proton, neutron, and electron

Question 4

What is the sum of protons and neutrons?

Answer 4

mass number

Question 5

How can we distinguish between one element from another?

Answer 5

the number of protons it has

Question 6

We refer to negatively charged ions, that gain electrons as ____

Answer 6

anions

Question 7

What is the STRONGEST bond?

Answer 7

covalent bond

Question 8

What is the molecular weight of propane (C3H8)
C= 12.011
H= 1.007

Answer 8

44.095 g/mol

Question 9

Molecular or Structural formula?
C6H12O6

Answer 9

molecular

Question 10

Which is larger: F or F-

Answer 10

F-

Question 11

Which is larger: Na or Na+?

Answer 11

Na

Question 12

What term describes that the total mass of reactants will be equal to the total mass of products?

Answer 12

law of conservation of mass

Question 13

State the formula for the equilibrium constant (K)

Answer 13

K = [C]^c[D]^d/ [A]^a[B]b

Question 14

What do we refer to as our proton acceptors? Name an example.

Answer 14

bases, hydroxyl ions, bicarbonate ions

Question 15

What is the normal resting pH of arterial blood?

Answer 15

7.4

Question 16

What kinds of solution have a pH greater than 7 and have a greater concentration of hydrogen ions?

Answer 16

acidic solutions

Question 17

What two products will form as a result of our acid-base reactions?

Answer 17

salt and water will form

Question 18

What is the term for the sum of all the chemical reactions in our bodies?

Answer 18

metabolism

Question 19

What are the three main reasons why biochemistry is important?

Answer 19

basic science, sport performance, and health sciences/public health

Question 20

What is biochemistry?

Answer 20

study of biochemical and metabolic changes that occur during exercise at the molecular level

Question 21

T/F. There is a direct relationship between aerobically/physical fitness to all cause mortality

Answer 21

True

Question 22

What type of bond has an equal share of electrons

Answer 22

Nonpolar, O2