Cell Functions (CK)

During _____ transport, molecules move from an area of low concentration to an area of high concentration.

• active
• passive

ATP is used as energy by the cell. Which process requires ATP?

• active transport
• a carrier protein in passive transport
• a channel protein
• All of these require ATP.

Cellular respiration uses the energy in glucose to produce energy molecules called _____.

• ATP
• ADP
• starch
• carbohydrates

Tags

NGSS.HS-LS1-7

Active transport uses energy in the form of _____.

• ATP
• TTP
• GTP
• CTP

An organism that uses energy to make its own food is a(n) _____.

• autotroph
• consumer
• primary consumer
• decomposer

Tags

NGSS.HS-LS2-5

Which is more likely to diffuse through the cell membrane?

• carbon dioxide
• starch
• protein
• DNA

Carbon dioxide is a waste product of your cell’s metabolism. You exhale carbon dioxide from your lungs. Carbon dioxide moves from your cells to your lungs through your blood, which it enters by diffusion. Which statement best describes how carbon dioxide enters your blood?

• Carbon dioxide moves from a higher concentration in your cells to the lower concentration in your bloodstream.
• Carbon dioxide moves from a lower concentration in your cells to the higher concentration in your bloodstream.
• Carbon dioxide moves from a higher concentration in your lungs to the lower concentration in your bloodstream.
• Carbon dioxide moves from a lower concentration in your lungs to the higher concentration in your bloodstream.

Tags

NGSS.HS-LS2-3

Which cellular structure helps maintain a state of homeostasis inside of cells by controlling what molecules or ions can enter or leave the cell?

• cell membrane
• cell wall
• cytoskeleton
• mitochondrian

Tags

NGSS.HS-LS1-3

The process of molecules moving from higher concentration to lower concentration is called _____.

• Diffusion
• Active transport
• Both A and B
• None of these

In active transport:

• Energy is required
• Energy is not required
• Both A and B
• None of these