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Unit 3 Review HW

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

Which of the following is a characteristic of living things?

a)

They do not respond to their environment.

b)

They do not grow and develop.

c)

They produce offspring.

d)

They are not made of cells.

2.

Which type of cell has a nucleus?

a)

Prokaryotes

b)

Eukaryotes

c)

Bacteria

d)

Viruses

3.

Which of the following is an example of a eukaryote?

a)

Bacteria

b)

Plants

c)

Viruses

d)

V. Cholerae

4.

Which of the following organisms absorb their food?

a)

Bacteria

b)

Fungi

c)

Plants

d)

Animals

5.

Which characteristic is shared by all living things?

a)

They do not have metabolism.

b)

They do not maintain homeostasis.

c)

They are made of cells.

d)

They do not grow and develop.

6.

Which of the following is an example of an organelle?

a)

Tissue

b)

Organ

c)

Ribosome

d)

System

7.

What is the function of the rough endoplasmic reticulum?

a)

Synthesizes lipids

b)

Has ribosomes

c)

Makes ATP

d)

Contains DNA

8.

What is the function of the smooth ER?

a)

Photosynthesis

b)

Transporting materials and part of protein synthesis

c)

Protecting the cell

d)

Breaking down macromolecules

9.

Which organelle is responsible for photosynthesis in plant cells?

a)

Cell Wall

b)

Smooth ER

c)

Chloroplast

d)

Ribosome

10.

What are organic molecules primarily composed of?

a)

Carbon and Nitrogen

b)

Hydrogen and Oxygen

c)

Carbon and Hydrogen

d)

Oxygen and Sulfur

11.

Which macromolecule is hydrophobic and does not mix with water?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic acids

12.

What are proteins made of?

a)

Carbon, Hydrogen, Oxygen

b)

Carbon, Oxygen, Hydrogen, Nitrogen (sometimes Sulfur)

c)

Carbon, Hydrogen, Nitrogen

d)

Carbon, Oxygen, Sulfur

13.

Which of the following is an example of a protein function?

a)

Energy storage

b)

Photosynthesis

c)

Enzymes

d)

Insulation

14.

Which of the following is an example of a lipid?

a)

Glucose

b)

Starch

c)

Fats

d)

Amino acids

15.

Which macromolecule is involved in muscle building?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

16.

What is dehydration synthesis?

a)

A process that involves the absorption of water

b)

A process that converts water into energy

c)

A process that forms larger molecules by removing water

d)

A process that breaks down molecules by adding water

17.

Which of the following is an example of hydrolysis?

a)

Formation of a peptide bond

b)

Breaking down of starch into glucose

c)

Synthesis of triglycerides

d)

Conversion of glucose to glycogen

18.

How does hydrolysis differ from dehydration synthesis?

a)

Both processes involve the removal of water

b)

Hydrolysis involves the addition of water, while dehydration synthesis involves the removal of water

c)

Hydrolysis involves the removal of water, while dehydration synthesis involves the addition of water

d)

Both processes involve the addition of water