Biology Prep Basics

The cell theory is...

• All living organisms are composed of at least one cell.

• building blocks of life. All cells come from

• All of the above

• Cells arise only from previously existing cells.

Why does a nerve cell look different from a circular red blood cell?

• There is no connection between shape and function

• Cells all look exactly the same

• Cells are shaped differently according to their function. A nerve cell needs long arms for communication.

• All cells have the same exact job

Positive Feedback loops are...

• Counteract changes that move above or below set values.

• more common

• regulate body temp

• Purposeful pushes above normal set values.

The part of the cell that photosynthesis takes place.

• chloroplasts
• channel
• nucleus
• mitochondria

Cellular conversion of the sun's energy.

• respiration
• fermentation
• photosynthesis
• chemosynthesis

Maintaining internal stable conditions is the definition of...

• Hypertonic

• Hypotonic

• Homeostasis

• Heterotroph

What is evidence ?

• Answers a question

• Anything you see, hear or read or experience that causes you to believe something is true.

• Long and detailed paragraph

Negative Feedback loops are...

• Purposeful pushes above normal set values.

• Counteract a change to bring it back to normal set values

• Are rare

• Help with childbirth

What is a claim?

• Answers a question or problem

• long and detailed paragraph

• Explains why something happened

What is an example of evidence?

• Football players are 33% more likely to get injured than baseball players.

• Football is more dangerous than baseball.

• Baseball is a fun sport.