Lecture 3

Question 1

Molecules with no C-H bonds

Answer 1

Inorganic molecules

Question 2

Molecules with C-H bonds

Answer 2

Organic molecules

Question 3

The major organic macromolecules found in living things are (4)

Answer 3

Carbohydrates
Proteins
Nucleic acids
Lipids

Question 4

Carbohydrates: Monomer, Polymer, Job, & Elements (3)

Answer 4

M: Monosaccharides
P: Polysaccharides
J: Provides quick energy, cell supports, structure
E: C, H, O

Question 5

Serves as an energy reserve for your body

Answer 5

Glycogen

Question 6

Found in cell walls of Fungi; Exoskeletons of Arthopods

Answer 6

Chitin

Question 7

Lipids: Monomer,
Polymer, Jobs, Elements(5)

Answer 7

M: Fatty acids, glycerol
P: Triglycerides, Phospholipids
J: Long term energy, membrane structure
E: C,H,O,N,P

Question 8

TF:Lipids are polar and complete solubility in water

Answer 8

False
Nonpolar
Hydrophobic, limited solubility in water

Question 9

Store energy provide insulation, and are the building blocks of hormones and cell membranes

Answer 9

Lipids

Question 10

Examples of Carbohydrates (4)

Answer 10

Glucose (monomer)
Fructose (monomer)
Starch (polymer)
Cellulose (polymer)
Glycogen (polymer)

Question 11

L: Glycerol + Fatty acids =

Answer 11

Triglycerides

Question 12

Lipids that are solid at room temperature are composed mostly of…

Answer 12

Saturated fatty acids

Question 13

Lipids that are liquid at room temperature are composed mostly of…

Answer 13

Unsaturated fatty acids

Question 14

Cell membrane lipids are what type of lipids?

Answer 14

Phospholipids

Question 15

What happened when phospholipids mix with water?

Answer 15

Arrange themselves with hydrophobic heads tucked in

Question 16

Phospholipids are __ at both end

Answer 16

Hydrophilic

Question 17

Have 4 carbon rings linked together and is a key component of the plasma membrane of animal cells

Answer 17

Steroids

Question 18

A steroid piped that partners with phospholipids in the cell membrane & helps firm up membrane and make it less permeable

Answer 18

Cholesterol

Question 19

Made up of hydrocarbon chain with an alcohol (-OH) group and a fatty acid

Answer 19

Waxes

Question 20

TF: Hydrocarbons are lipids

Answer 20

True

Question 21

Proteins: Monomer, Polymer, Job, Elements(5)

Answer 21

M: Amino acids
P: Polypeptide = Protein
J: Communication, structure, enzymes
Elements: C,H,O,N,S

Question 22

The most abundant organic molecules in living systems

Answer 22

Proteins

Question 23

4 levels of protein structure

Answer 23

Primary
Secondary
Tertiary
Quaternary

Question 24

Protein structure: Sequence of the amino acid chain

Answer 24

Primary level

Question 25

Protein structure: Hydrogen bonding of amino acid back bone causes folding patterns

Answer 25

Secondary level

Question 26

Protein structure: The unique three-dimensional structure if a polypeptide, includes interactions between R groups

Answer 26

Tertiary level

Question 27

Protein structure: The interaction of several polypeptides (subunits)

Answer 27

Quaternary

Question 28

Protein Functions summary (EECTS)

Answer 28

Entry, Exit Capture, Transport Support

Question 29

Speeds up chemical rxns to make or break bonds (catalyst)

Answer 29

Enzymes

Question 30

Prefix to recognize an enzyme

Answer 30

-ase, ex: Lipase,Lactase

Question 31

Nucleic acid: Monomer, Polymer, Job, Elements(5)

Answer 31

M:Nucleotide P: DNA or RNA J:Stores genetic information E: C,H,O,N,P

Question 32

2 main types of nucleic acids

Answer 32

DNA RNA

Question 33

Function of ATP

Answer 33

Energy transfer

Question 34

What can denature a protein which changes its shape, appearance, and functionality?

Answer 34

Heat, acidity, or both