What is the function of the Golgi apparatus?

Processes, sorts, and ships proteins

Protects and maintains shape of plant cells

What is the role of mitochondria in the cell?

Where cellular respiration occurs

What role do phospholipids play in the structure of the phospholipid bilayer?

They make up the bilayer and give the membrane selective permeability.

They provide energy for the cell.

They store genetic information.

How do carbohydrates contribute to the phospholipid bilayer?

They give the membrane structure.

They provide energy for cellular respiration.

What is the function of proteins in the phospholipid bilayer?

They are embedded to aid with transport.

What is the role of the Golgi apparatus in protein processing?

It packages and sorts proteins to be shipped out.

What is a concentration gradient?

A difference in concentration of a substance from one location to another

A measure of temperature change

What does phagocytosis refer to? (HONORS)

Cell "eating"; when the cell engulfs solids into a vesicle and breaks them down

Cell "drinking"; when the cell engulfs liquids

What is pinocytosis? (HONORS)

Cell "drinking"; when the cell engulfs liquids into a vesicle and breaks them down

Cell "eating"; when the cell engulfs solids

What is the main characteristic of a static equilibrium in homeostasis?

It fluctuates above and below a constant state.

It is always in a state of loss.

How does a dynamic equilibrium maintain balance in homeostasis?

By fluctuating above and below the constant state, balancing loss and gain.

By remaining constant and unchanging.

By increasing the rate of gain only.

By decreasing the rate of loss only.

What role do organisms play in maintaining homeostasis in response to stimuli?

They take in stimuli, communicate messages, and initiate a response.

They only respond to internal stimuli.

They maintain a constant external environment.

What is a positive feedback loop?

The output of a system intensifies the response, leading to amplification.

The output of a system causes a counter response to return to a set point, leading to stabilization.

The output of a system decreases the response, leading to reduction.

The output of a system has no effect on the response.

Which of the following is an example of a positive feedback loop?

Hormones released in human childbirth

What is a negative feedback loop?

The output of a system causes a counter response to return to a set point, leading to stabilization.

The output of a system intensifies the response, leading to amplification.

The output of a system increases the response, leading to escalation.

The output of a system has no effect on the response.

Which of the following is an example of a negative feedback loop?

Hormones released in human childbirth

What role does the cell membrane play in maintaining homeostasis?

It selectively allows substances to pass, maintaining stable conditions.

It allows all substances to pass freely.

It prevents all substances from entering the cell.

It only allows large molecules to pass.

Which substances can easily pass through the cell membrane?

Small, nonpolar, hydrophobic substances

What is the difference between passive and active transport?

Passive transport requires no extra energy, active transport requires extra energy.

Passive transport requires energy, active transport does not.

Passive transport moves substances from low to high concentration, active transport moves from high to low.

Passive transport moves substances against the concentration gradient, active transport moves with it.

Unit 2: Cells - Review Quiz

72 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does "unicellular" mean?

Composed of one cell

Composed of many cells

Specialized structure within the cell

Composed of tissues and organs

What is the definition of "multicellular"?

Composed of one cell

Composed of many cells that may organize into tissues, organs, and organ systems

Specialized structure within the cell

Composed of a single organ system

What is an "organelle"?

A single cell organism

Composed of many cells

Specialized structure within the cell that works with other organelles to help the cell function

A type of tissue

Which of the following is a principle of cell theory?

Cells can spontaneously generate.

All living things are made of cells.

Cells are not the basic unit of life.

Cells do not come from other cells.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of prokaryotic cells?

They have a nucleus.

They have membrane-bound organelles.

They are unicellular.

They divide by mitosis.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about eukaryotic cells?

They lack a nucleus.

They divide by binary fission.

They have membrane-bound organelles.

They are always unicellular.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which structures are found in plant cells but not in animal cells?

Centrioles

Cell walls

Lysosomes

Cilia

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Unit 2: Cells - Review

What does "unicellular" mean?

What is the definition of "multicellular"?

What is an "organelle"?

Which of the following is a principle of cell theory?

What is a characteristic of prokaryotic cells?

Which of the following is true about eukaryotic cells?

Which structures are found in plant cells but not in animal cells?

What is the function of the cell (plasma) membrane?

Which organelle gives the cell shape and structural support for animal cells?

What is the role of ribosomes in a cell?

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