Lab 2 (Biological Molecules)

Question 1

what is the storage polysaccharide in animals?

Answer 1

gylcogen

Question 2

what are proteins?

Answer 2

macromolecules formed by amino acids held by peptide chains

Question 3

what is the function of a protein?

Answer 3

building blocks of the body and are used in nearly all the function of the body

Question 4

what are lipids found as?

Answer 4

fats/oils, phospholipids and steroids

Question 5

what are examples of where proteins are used?

Answer 5

hormones, enzymes, antibodies, growth maintenance, transport of molecules

Question 6

what are lipids?

Answer 6

are water insoluble molecules made of carbon, hydrogen, and oxygen

Question 7

what do lipids do?

Answer 7

store long term energy, protect vital organs, for cell membrane, and cell signaling

Question 8

are lipids insoluble or soluble i water?

Answer 8

insoluble

Question 9

what are lipids subdivided into?

Answer 9

triglycerides, phospholipids, and steroids

Question 10

are the nonpolar bonds formed between the carbon and hydrogen atoms of a lipid hydrophilic or hydrophobic?

Answer 10

hydrphobic

Question 11

what is the monomer of a nucleic acid?

Answer 11

nucleotide

Question 12

what is the function of a nucleic acid?

Answer 12

storage and expression of genetic information

Question 13

what are the five nucleotide base pairs?

Answer 13

adenine, guanine, thymine, cytosine, and uracil

Question 14

what are the 4 biological molecules?

Answer 14

carbohydrates, lipids, proteins, and nucleic acids

Question 15

what are polymers?

Answer 15

long chains of monomers

Question 16

what are monomers?

Answer 16

repeating units that are linked over and over again to form polymers

Question 17

what is dehydration synthesis?

Answer 17

water is removed when two monomers are joined to form polymers

Question 18

what is hydrolysis?

Answer 18

water is added when the same polymers are broken apart

Question 19

what is the monomer of carbohydrates?

Answer 19

monosaccharides

Question 20

what is the function of carbohydrates?

Answer 20

serve as fuel and building blocks

Question 21

what are carbohydrates composed of?

Answer 21

carbon, hydrogen and oxygen

Question 22

what are some examples of carbohydrates?

Answer 22

starch, glucose and simple sugars

Question 23

how does your body store glucose as?

Answer 23

glycogen

Question 24

where does you body store glycogen?

Answer 24

muscle and liver

Question 25

what are oligosaccharides?

Answer 25

a disaccharide which is formed from joining two monosaccharides

Question 26

what are two examples of oligosaccharides?

Answer 26

sucrose and maltose

Question 27

what are polysaccharides?

Answer 27

chains of monosaccharides that store energy or provide structure

Question 28

what is the storage polysaccharide in plants?

Answer 28

starch

Question 29

what is the monomer of a protein?

Answer 29

amino acid

Question 30

what are peptides?

Answer 30

chains of amino acids

Question 31

what are the monomers of lipids?

Answer 31

fatty acids and glycerol

Question 32

what are nucleic acids?

Answer 32

nucleotides that make up the information storing molecules in our cells, DNA and RNA

Question 33

can we test for nucleic acids?

Answer 33

No