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Unit 1: Cells and Biochemistry

Total questions: 12

Worksheet time: 12mins

Name
Class
Date
1.
Which of the following are NOT found in animal cells
a)
chloroplasts and cytoplasm
b)
chloroplasts and cell wall
c)
cell wall and cell membrane
d)
mitochondria and nucleus
2.
What do vacuoles do? 
a)
They actually do not have an important role
b)
They protect the cell
c)
They are the brain of the cell
d)
storage area for cells; water storage in plants 
3.

Which type of cell?

a)

Prokaryote

b)

Eukaryote

4.
Which of the following would be found in both eukaryotic AND prokaryotic cells?
a)
chloroplast
b)
DNA
c)
nucleus
d)
endoplasmic reticulum
5.
Some cells, such as human nerve and muscle cells, contain many more mitochondria than do other cells, such as skin cells.  Why do some cells have more mitochondria than others?
a)
The cells use more energy
b)
The cells store more nutrients
c)
The cells degrade more proteins
d)
The cells divide more frequently
6.

Enzymes affect all of the following besides what?

a)

Rate of Reaction

b)

Activation Energy

c)

Breakdown or Buildup of Molecules

d)

Instructions for Making Proteins

7.

Enzymes are examples of what bio-molecule?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

8.

If Amylase is the enzyme, then starch is the _______.

a)

Solute

b)

Substrate

c)

Active Site

d)

Product

9.

Meat tenderizer contains an enzyme that breaks down meat. If meat is coated with tenderizer and then placed in a refrigerator, how would the enzyme be affected?

a)

It would change shape.

b)

It would break down the meat more slowly.

c)

It would disintegrate.

d)

It would break down the meat more quickly.

10.

The pancreas releases insulin to lower blood-glucose levels. This is an example of what?

a)

Type 1 Diabetes

b)

Cellular Respiration

c)

Homeostasis

d)

Denaturation

11.

Which of the following is the best explanation of how one organelle in a plant cell directly supports the work of another organelle to maintain cellular homeostasis within a plant cell?

a)

Chloroplasts and mitochondria benefit from breaking down proteins for immediate energy.

b)

Cell wall and central vacuole work together to provide structure, support and turgor pressure for the cell.

c)

Mitochondria produce sugar molecules which are digested by lysosomes to provide energy for cellular processes.

d)

Golgi bodies sort, refine and package lipids used by the smooth ER when making proteins

12.

"Post office" of the cell that packages proteins and fats:

a)

ER

b)

Golgi Body

c)

Nucleus

d)

Cytoplasm