Hidden Life of the Cell Quiz

How many cells make up the human body?

• Trillions
• Billions

• Millions

• Thousands

What are the ancient enemies of cells, changing the course of evolution?

• Viruses

• Bacteria

• Fungi

• Parasites

Cells are the basic building blocks of what?

• Life

• Tissues

• Organs

• All of the above

True or False: All of the cells in your body contain the same instructions.

• True

• False

What are genes?

• Chains of complex chemicals

• Proteins

• Motor proteins

• Antibodies

What is the role of the motor proteins?

• Break down faulty proteins

• Identify alien intruders

• Transport materials, (sometimes viruses) throughout cells

• Construct viral proteins

What metaphor was used to describe the nucleus and DNA?

• Command Center

• Brain

• Library

• Vault

According to the video, in every cell in your body there is how many feet of DNA?

• 1

• 3

• 6

• 10

Little goes to waste in the cells. Used and faulty proteins are broken down by what?

• Motor proteins

• Antibodies

• Vesicles

• proteasome

The human body's first line of defense against viruses and bacteria is our what?

• Skin

• Lungs

• Immune system

• Digestive system