Intro, what is life

Question 1

What is the general purpose of biochemistry?

Answer 1

To explore the fundamental molecules and processes within and related to living organisms

Question 2

Living cells are essentially chemical ____.

Answer 2

Engines

Question 3

Living cells exist in a dynamic steady state: they are never at ____.

Answer 3

Equilibrium

Question 4

“Biochemistry is ____ and life is ____”

Answer 4

Life; biochemistry

Question 5

All biomolecules are a combination of what six essential atoms?

Answer 5

Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur

Question 6

What is a benefit of space fill molecular models?

Answer 6

Makes it easier to visualise the molecules in 3D (remember, physical form is related to function)

Question 7

What is a Dalton?

Answer 7

A unit of mass of a single proton, 1.66x10^-24g

Question 8

What is the numerical value of a Dalton?

Answer 8

1.66x10^-24

Question 9

The unit of mass of a single proton is called a ____

Answer 9

Dalton (written as Da)

Question 10

One mol is ____ molecules

Answer 10

6.022x10^23

Question 11

How do you calculate the mass of a compound in Daltons?

Answer 11

Add up the atomic mass of each atom in the compound

Question 12

Name the four essential types of biomolecules

Answer 12

Lipids/fatty acids, carbohydrates, amino acids, nucleotides

Question 13

Amino acids are the subunits of ____

Answer 13

Proteins

Question 14

Nucleotides are the subunits of ____ and ____

Answer 14

DNA and RNA

Question 15

What is the term for a carbohydrate monomer?

Answer 15

Monosaccharide

Question 16

What is the term for a carbohydrate polymer?

Answer 16

Polysaccharide

Question 17

What is the term for a protein monomer?

Answer 17

Amino acid

Question 18

What is the term for a protein polymer?

Answer 18

Polypeptide

Question 19

What is the term for a nucleotide polymer?

Answer 19

Nucleic acid

Question 20

Lipids (fatty acids and glyerol) are not true ____

Answer 20

Polymers

Question 21

Almost all organic compounds contain ____ covalently bonded to ____

Answer 21

Carbon; hydrogen

Question 22

Almost all organic compounds contain carbon ____ bonded to hydrogen

Answer 22

Covalently

Question 23

Name two organic compounds that do not have a carbon covalently bonded to a hydrogen

Answer 23

Carbon tetrachloride (CCl4) and urea (CO(NH2)2)

Question 24

Name two inorganic compounds commonly found in the body

Answer 24

Calcium, iron

Question 25

What is the term for a monomer of DNA?

Answer 25

Nucleotide