Proteins Amino Acids

Proteins Amino Acids

University

12 Qs

quiz-placeholder

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Proteins Amino Acids

Proteins Amino Acids

Assessment

Quiz

Science

University

Practice Problem

Hard

NGSS
HS-LS1-1

Standards-aligned

Created by

Charles Martinez

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proteins are made up of a combination of how many unique amino acids?

10

20

25

50

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic structure of an Amino acid?

basic group, aliphatic group, hydrogen and a R side chain

acidic group, amino group, hydrogen and a R side chain

positively charged group, acidic group, hydrogen and an aromatic group

negatively charged group, basic group, hydrogen and an aliphatic group

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many essential amino acids are there?

3

9

12

20

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Simplest amino acid that is optically not active (has no stereo- isomers)

Glycine

Serine

Isoleucine

Glutamine

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chirality of an amino acid results from the fact that its a carbon that:

has no net charge

is a carboxylic acid

is bonded to 4 different chemical groups

is symmetric

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Amino acids are ampholytes because they can function as either a(an):

acid or base

neutral molecule or an ion

polar or non polar molecule

positive or negatively charged

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a neutral solution, most amino acids exist as:

positively charged compounds

zwitterion molecules

negatively charged compounds

hydrohobic molecules

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