Cell Terms Part 3

Multiple Choice

The cell membrane is mostly made of what 2 biomolecules?

• Lipids and Nucleic acids

• Protein and Nucleic acids

• Carbohydrates and lipids

• Lipids and Proteins

Multiple Choice

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment

• is the maintenance of a relatively stable external environment

Multiple Choice

Passive transport moves molecules from...

• low concentration to high concentration

• high concentration to low concentration

Multiple Choice

Which is not a form of passive transport?

• Osmosis

• Facilitated diffusion

• Active transport

• Diffusion

Multiple Choice

_____________ is the free movement of particles across the membrane with the concentration gradient

• diffusion

• facilitated diffusion

• active transport

• fusion

Multiple Choice

What type of passive transport moves water molecules from high concentration to low concentration?

• Simple diffusion

• Osmosis

• Active transport

• Facilitated diffusion

Multiple Choice

the minimum amount of pressure required to nullify process of osmosis is called...?

• permeable pressure

• osmotic pressure

• concentration of pressure

• surface pressure

Multiple Choice

Which type of Passive transport uses the help of a transport protein?

• Osmosis

• Facilitated diffusion

• Simple diffusion

Multiple Choice

What type of transport is this?

• Endocytosis

• Facilitated Diffusion

• Active Transport Pump

• Osmosis

Multiple Choice

Proteins in the cell membrane serve what major function ?

• They provide the framework of the cell

• They serve as attachment site

• They help with transport of materials in and out of the cell

• They allow cells to communicate with other cells

Multiple Choice

The cell below is in a _________ solution.

• Hypotonic

• Hypertonic

• Isotonic

Multiple Choice

The cell below is in a _____________ solution.

• Hypertonic

• Hypotonic

• Isotonic

Multiple Choice

A cell in an isotonic solution will

• swell

• shrink

• stay the same size

• impossible to tell

Multiple Choice

What type of transport is this?

• Endocytosis

• Diffusion

• Exocytosis

• Osmosis

Multiple Choice

What is a difference between diffusion and facilitated diffusion?

• movement of particles from [high] to [low]

• a protein "helper"

• movement of particles from [low] to [high]

• energy

Multiple Choice

Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...

• 1: lower concentration, 2: higher concentration, 3: NADPH

• 1: higher concentration, 2: lower concentration, 3: NADPH

• 1: higher concentration, 2: lower concentration, 3: ATP

• 1: lower concentration, 2: higher concentration, 3: ATP

Multiple Choice

This is a picture of the......

• cell membrane
• phospholipid bilayer
• plasma membrane
• all of these

Multiple Choice

When the concentration of particles inside of a cell is the same as the concentration of particles outside of the cell. 

• active transport

• concentration

• diffusion

• equilibrium

Multiple Choice

The cell membrane assist the cell in maintaining homeostasis by..

• Coding for our traits

• providing long term energy

• Allowing molecules to move into and out of the cell as needed

• speeding up chemical reactions

Multiple Choice

In which direction will these molecules diffuse?

• from right to left
• from left to right
• they will not move at all
• they will move in both directions equally