Quiz #3 (proteins)

Question 1

what elements are proteins made of?

Answer 1

Carbon, hydrogen, oxygen, nitrogen

Question 2

Unlike carbohydrates and lipids, proteins contain which element

Answer 2

Nitrogen

Question 3

what types of food can you find proteins in?

Answer 3

animal muscle(meat), beans, nuts, and legumes

Question 4

monomers of a protein

Answer 4

amino acids

Question 5

chain of amino acids are called?

Answer 5

polypeptide

Question 6

chains of amino acids are held together by?

Answer 6

peptide bonds

Question 7

what is the product of forming the peptide bonds?

Answer 7

H2O

Question 8

amino acids can be split into 2 groups, what are they?

Answer 8

hydrophilic - polar, mix/sticks to water
hydrophobic - non polar, does not mix with water

Question 9

why are there so many different shapes of proteins?

Answer 9

proteins must be folded to be functional and recognize/bind specific molecules

Question 10

proteins contain very important elements that we cannot breathe. What are they?

Answer 10

Sulphur

Question 11

if we can’t breathe sulphur, how do we get it?

Answer 11

through diet

Question 12

amino acids are the building blocks of protein.
what is the relationship between nucleotide and DNA?

Answer 12

the building blocks of DNA

Question 13

what part of an amino acid’s chemistry determines the function of a protein?

Answer 13

the R variable group

Question 14

how many different amino acids are there?

Answer 14

20

Question 15

what type of catalyst is made of proteins?

Answer 15

enzymes

Question 16

antibodies

Answer 16

made of proteins to help fight diseases

Question 17

hormones

Answer 17

made of proteins and help you feel emotions