Cells as the Basis of Life Flashcards

1
Q

What is the basic unit of life?

A

The cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: All living organisms are made up of cells.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the two main types of cells?

A

Prokaryotic and Eukaryotic.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fill in the blank: Prokaryotic cells lack a _____ nucleus.

A

true.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which type of cell contains membrane-bound organelles?

A

Eukaryotic cells.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What structure protects and gives shape to plant cells?

A

Cell wall.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Multiple Choice: Which of the following is NOT a function of the cell membrane? A) Protection B) Communication C) Photosynthesis D) Transport

A

C) Photosynthesis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What organelle is known as the powerhouse of the cell?

A

Mitochondria.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False: Ribosomes are involved in protein synthesis.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Fill in the blank: The jelly-like substance inside the cell is called _____ .

A

cytoplasm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the primary function of the nucleus?

A

To store genetic material (DNA).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Multiple Choice: Which cell organelle is responsible for detoxifying harmful substances? A) Golgi apparatus B) Lysosome C) Smooth endoplasmic reticulum D) Ribosome

A

C) Smooth endoplasmic reticulum.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the role of the Golgi apparatus?

A

To modify, sort, and package proteins and lipids.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

True or False: Chloroplasts are found in animal cells.

A

False.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the function of lysosomes?

A

To digest waste materials and cellular debris.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Fill in the blank: The _____ is a network of protein filaments that helps the cell maintain its shape.

A

cytoskeleton.

17
Q

Which component of the cell membrane is responsible for its fluidity?

A

Phospholipids.

18
Q

Multiple Choice: Which of the following is a characteristic of prokaryotic cells? A) They have a nucleus B) They are generally larger than eukaryotic cells C) They lack membrane-bound organelles D) They contain mitochondria

A

C) They lack membrane-bound organelles.

19
Q

What is the primary component of the cell membrane?

A

Phospholipid bilayer.

20
Q

True or False: All cells have a cell wall.

21
Q

Fill in the blank: The process by which cells divide is called _____ .

A

cell division.

22
Q

What is the function of the endoplasmic reticulum?

A

To synthesize proteins and lipids.

23
Q

Multiple Choice: Which organelle is involved in the production of ATP? A) Ribosome B) Chloroplast C) Mitochondria D) Golgi apparatus

A

C) Mitochondria.

24
Q

What is the basic difference between plant and animal cells?

A

Plant cells have a cell wall and chloroplasts; animal cells do not.

25
True or False: The plasma membrane is selectively permeable.
True.
26
Fill in the blank: The _____ is the control center of the cell.
nucleus.
27
What is the role of the cell membrane in a cell?
To regulate what enters and exits the cell.
28
Multiple Choice: Which of the following is NOT found in a eukaryotic cell? A) Nucleus B) Ribosome C) Plasmid D) Mitochondria
C) Plasmid.
29
What are stem cells?
Undifferentiated cells that can develop into different cell types.
30
True or False: All cells in a multicellular organism have the same genetic material.
True.
31
Fill in the blank: The _____ is a double membrane that surrounds the nucleus.
nuclear envelope.
32
What is apoptosis?
Programmed cell death.