24.3 quiz

Question 1

what are the four groups that surround the central carbon atom in an amino acid?

Answer 1

• carboxyl group
• amino group
• hydrogen
• an R group

(everything is covalently bonded)

Question 2

what determines the differences in the properties of peptides and proteins?

Answer 2

differences in the amino acid sequence

Question 3

how do enzymes affect the reaction rates in living things?

Answer 3

they increase the rates of chemical reactions in living things

Question 4

which functional groups are always involved in amide bonds?

Answer 4

amino group & carboxyl group

Question 5

what is meant by the amino acid sequence of a protein?

Answer 5

• it’s the specific order that they’re linked together in a protein
• the chain/sequence determines the
  𝐬𝐡𝐚𝐩𝐞 & 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧 of the protein
• the shape controls the job the protein does

Question 6

describe three properties of enzymes

Answer 6

1. promote reactions: they help reactions happen faster
2. unchanged by the reaction: after helping the reaction, enzymes just chill and can be used again
3. don’t change equilibrium: they don’t affect the balance of reactions; makes it go faster

Question 7

Bk

Answer 7

Berkelium

Question 8

Cf

Answer 8

Californium

Question 9

Es

Answer 9

Einsteinium

Question 10

Fm

Answer 10

Fermium