Science Flashcards

(27 cards)

1
Q

What is the basic unit of life?

A

The cell.

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2
Q

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

A

True.

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3
Q

Fill in the blank: The ____ is the control center of the cell.

A

nucleus.

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4
Q

What is the function of the cell membrane?

A

It controls what enters and leaves the cell.

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5
Q

Which organelle is responsible for energy production?

A

Mitochondria.

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6
Q

What is the jelly-like substance inside the cell called?

A

Cytoplasm.

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7
Q

Which type of cell lacks a nucleus?

A

Prokaryotic cell.

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8
Q

Multiple choice: Which of the following is a part of plant cells but not animal cells? (A) Cell membrane (B) Cell wall (C) Mitochondria

A

B) Cell wall.

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9
Q

What structure gives plant cells their shape?

A

Cell wall.

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10
Q

True or False: Ribosomes are responsible for protein synthesis.

A

True.

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11
Q

What is the function of the endoplasmic reticulum?

A

It helps in the production and transport of proteins and lipids.

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12
Q

Fill in the blank: The ____ is responsible for packaging and distributing proteins.

A

Golgi apparatus.

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13
Q

What is the function of lysosomes?

A

They digest waste materials and cellular debris.

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14
Q

Which organelle is involved in photosynthesis?

A

Chloroplast.

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15
Q

Multiple choice: Which of the following is not a function of the cell membrane? (A) Protection (B) Energy production (C) Communication

A

B) Energy production.

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16
Q

What is the difference between plant and animal cells?

A

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

17
Q

True or False: All cells have a cell wall.

18
Q

What are the two main types of cells?

A

Prokaryotic and eukaryotic cells.

19
Q

Fill in the blank: The ____ stores genetic information.

20
Q

What is the role of the vacuole in plant cells?

A

It stores nutrients and waste products.

21
Q

Multiple choice: Which organelle is known as the ‘powerhouse of the cell’? (A) Nucleus (B) Ribosome (C) Mitochondria

A

C) Mitochondria.

22
Q

What is the role of the cytoskeleton?

A

It provides structure and support to the cell.

23
Q

True or False: Cells can only divide by a process called mitosis.

24
Q

What is the function of the plasma membrane?

A

It regulates the movement of substances in and out of the cell.

25
Fill in the blank: The ____ is a network of protein filaments that helps the cell maintain its shape.
cytoskeleton.
26
What type of cell division occurs in somatic cells?
Mitosis.
27
Multiple choice: Which of the following organelles is responsible for detoxifying harmful substances? (A) Golgi apparatus (B) Smooth endoplasmic reticulum (C) Chloroplast
B) Smooth endoplasmic reticulum.