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Science 7th > Cells > Flashcards

Cells Flashcards

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Biology 101 flashcards
1
Q

What is the basic unit of life?

A

Cell

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2
Q

True or False: All cells have a nucleus.

A

False

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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 organelle is responsible for energy production?

A

Mitochondria

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5
Q

Which organelle is involved in protein synthesis?

A

Ribosome

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6
Q

True or False: Plant cells have chloroplasts.

A

True

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7
Q

What structure protects and maintains the shape of plant cells?

A

Cell wall

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8
Q

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

A

Cytoplasm

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9
Q

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

A

Golgi apparatus

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10
Q

What organelle is known as the ‘powerhouse of the cell’?

A

Mitochondria

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11
Q

What is the function of the endoplasmic reticulum?

A

Synthesizes proteins and lipids

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12
Q

Multiple choice: Which organelle detoxifies harmful substances in the cell? A) Ribosome B) Lysosome C) Smooth ER D) Golgi apparatus

A

C) Smooth ER

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13
Q

True or False: Lysosomes contain enzymes for digestion.

A

True

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14
Q

What is the function of chloroplasts?

A

Photosynthesis

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15
Q

Fill in the blank: The _______ is involved in the transport of materials within the cell.

A

Endoplasmic reticulum

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16
Q

What type of cell lacks a defined nucleus?

A

Prokaryotic cell

17
Q

Multiple choice: What is the primary component of the cell membrane? A) Proteins B) Nucleic acids C) Lipids D) Carbohydrates

A

C) Lipids

18
Q

What structure controls the movement of substances in and out of the cell?

A

Cell membrane

19
Q

True or False: All eukaryotic cells are multicellular.

A

False

20
Q

What is the role of the cytoskeleton?

A

Provides structural support and shape to the cell

21
Q

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

A

cytoskeleton

22
Q

What organelle is responsible for the breakdown of fatty acids?

A

Peroxisome

23
Q

Multiple choice: Which of the following is NOT an organelle? A) Nucleus B) Ribosome C) Cytoplasm D) Golgi apparatus

A

C) Cytoplasm

24
Q

What is the function of vacuoles in plant cells?

A

Storage of substances

25
Q

True or False: Prokaryotic cells have membrane-bound organelles.

A

False

26
Q

Fill in the blank: The _______ is the site of ribosome production.

A

nucleolus

Science 7th (5 decks)

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