Amino Acids

Question 1

State the properties of amino acids.

Answer 1

• capacity to polymerize
• has novel acid-base properties
• varied structure and chemical functionality
• exhibit chirality except glycine

Question 2

At pH 7, uncharged amino acids are called ___________________.

Answer 2

zwitterions

Question 3

Draw the structure of serine. Is it essential or non-essential?

Answer 3

[serine]; it is non-essential
[serine 2]

Question 4

Draw the structure of glycine. Is it essential or non-essential?

Answer 4

[glycine]; it is non-essential
[glycine 2]

Question 5

Draw the structure of cysteine. Is it essential or non-essential?

Answer 5

[cysteine]; it is non-essential
[cysteine 2]

Question 6

Draw the structure of aspartate. Is it essential or non-essential?

Answer 6

[aspartate]; it is non-essential

Question 7

Draw the structure of glutamate. Is it essential or non-essential?

Answer 7

[glutamate]; it is non-essential
[glutamate 2]

Question 8

Draw the structure of glutamine. Is it essential or non-essential?

Answer 8

[glutamine]; it is non-essential
[glutamine 2]

Question 9

Draw the structure of tyrosine. Is it essential or non-essential?

Answer 9

[tyrosine]; it is non-essential
[tyrosine 2]

Question 10

Draw the structure of asparagine. Is it essential or non-essential?

Answer 10

[asparagine]; it is non-essential
[asparagine 2]

Question 11

Draw the structure of arginine. Is it essential or non-essential?

Answer 11

[arginine]; it is non-essential
[arginine 2]

Question 12

Draw the structure of alanine. Is it essential or non-essential?

Answer 12

[alanine]; it is non-essential
[alanine 2]

Question 13

Draw the structure of proline. Is it essential or non-essential?

Answer 13

[proline]; it is non-essential