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Questions and Answers

What factor does NOT influence the rate of diffusion?

Temperature

Concentration gradient steepness

Type of molecule or ion

Volume of the solvent (correct)

In osmosis, water moves from an area of concentration to an area of concentration.

high; moderate

low; high

high; low (correct)

equal; unequal

What term describes a solution with equal solute concentrations inside and outside the cell?

Hypertonic

Isosmotic

Isotonic (correct)

Hypotonic

How does facilitated diffusion differ from regular diffusion?

It involves larger molecules being assisted. Signup and view all the answers

Active transport requires energy because it moves molecules from concentration to concentration.

low; high Signup and view all the answers

What process is used for the uptake of large food molecules into the cell?

Endocytosis Signup and view all the answers

What are protein channels in the cell membrane responsible for?

Transporting large molecules Signup and view all the answers

Which type of solution has a lower concentration of solute molecules compared to another solution?

Hypotonic Signup and view all the answers

What role does the cell membrane play in maintaining homeostasis?

It regulates the flow of materials into and out of the cell. Signup and view all the answers

Which mechanism is characterized as requiring energy from the cell?

Active Transport Signup and view all the answers

What is the correct definition of osmosis?

The movement of water through a selectively permeable membrane. Signup and view all the answers

What term is used to describe the dissolved substance in a solution?

Solute Signup and view all the answers

How does facilitated diffusion differ from regular diffusion?

Facilitated diffusion uses transport proteins to assist movement. Signup and view all the answers

Which process involves the cell engulfing material to bring it inside?

Endocytosis Signup and view all the answers

What characterizes the concentration gradient?

It describes the difference in solute concentration between two regions. Signup and view all the answers

Which transport mechanism does NOT require energy?

Facilitated diffusion Signup and view all the answers

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Questions and Answers

What factor does NOT influence the rate of diffusion?

In osmosis, water moves from an area of concentration to an area of concentration.

What term describes a solution with equal solute concentrations inside and outside the cell?

How does facilitated diffusion differ from regular diffusion?

Active transport requires energy because it moves molecules from concentration to concentration.

What process is used for the uptake of large food molecules into the cell?

What are protein channels in the cell membrane responsible for?

Which type of solution has a lower concentration of solute molecules compared to another solution?

What role does the cell membrane play in maintaining homeostasis?

Which mechanism is characterized as requiring energy from the cell?

What is the correct definition of osmosis?

What term is used to describe the dissolved substance in a solution?

How does facilitated diffusion differ from regular diffusion?

Which process involves the cell engulfing material to bring it inside?

What characterizes the concentration gradient?

Which transport mechanism does NOT require energy?

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Questions and Answers

What factor does NOT influence the rate of diffusion?

In osmosis, water moves from an area of ____ concentration to an area of ____ concentration.

What term describes a solution with equal solute concentrations inside and outside the cell?

How does facilitated diffusion differ from regular diffusion?

Active transport requires energy because it moves molecules from ____ concentration to ____ concentration.

What process is used for the uptake of large food molecules into the cell?

What are protein channels in the cell membrane responsible for?

Which type of solution has a lower concentration of solute molecules compared to another solution?

What role does the cell membrane play in maintaining homeostasis?

Which mechanism is characterized as requiring energy from the cell?

What is the correct definition of osmosis?

What term is used to describe the dissolved substance in a solution?

How does facilitated diffusion differ from regular diffusion?

Which process involves the cell engulfing material to bring it inside?

What characterizes the concentration gradient?

Which transport mechanism does NOT require energy?

More Like This

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In osmosis, water moves from an area of concentration to an area of concentration.

Active transport requires energy because it moves molecules from concentration to concentration.