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Worksheets

BIOCHEMISTRY

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.

This is a substance that changes the rate of a chemical reaction.

a)

catalyst

b)

solute

c)

solvent

2.

For enzymes to work, it has a spot where molecules dock in. What do we call this spot?

a)

active site

b)

substrate

c)

inhibitor

3.

Water is a _________ molecule.

a)

nonpolar

b)

polar

4.

What makes water important to life?


Check all that apply.

a)

The polarity of water makes it good at dissolving things.

b)

Water can move nutrients around.

c)

Water dehydrates our body.

5.

This is the attraction of water molecules for each other.

a)

cohesion

b)

adhesion

c)

hydrogen bonding

6.

Of all the elements, ________ is the most significant to life.

a)

carbon

b)

hydrogen

c)

nitrogen

7.

These are molecules that contain carbon covalently bonded to other elements.

a)

inorganic compounds

b)

organic compounds

8.

Below are the organic compounds.


Check all that apply.

a)

carbohydrates

b)

lipids

c)

protein

d)

water

e)

nucleotides

9.

Rice, potatoes, bread and legumes are good sources of _________.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleotides

10.

This is the intermolecular connection between hydrogen atoms of water molecules with other molecules.

(a)