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Cytology > Bio 101 > Flashcards

Bio 101 Flashcards

1
Q

What is the basic unit of life?

A

The cell.

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2
Q

True or False: Prokaryotic cells have a nucleus.

A

False.

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3
Q

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

A

cytoplasm.

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4
Q

Which organelle is responsible for energy production in eukaryotic cells?

A

Mitochondria.

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5
Q

What structure regulates the entry and exit of substances in a cell?

A

Cell membrane.

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6
Q

Multiple Choice: Which of the following is NOT a part of the cell theory? A) All living things are made of cells B) Cells arise from pre-existing cells C) Cells can be created from non-living matter D) Cells are the basic unit of life

A

C) Cells can be created from non-living matter.

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7
Q

What is the function of ribosomes?

A

Protein synthesis.

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8
Q

True or False: Plant cells have cell walls.

A

True.

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9
Q

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

A

nucleus.

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10
Q

What is the role of the endoplasmic reticulum?

A

Protein and lipid synthesis.

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11
Q

Multiple Choice: Which type of cell division results in two identical daughter cells? A) Meiosis B) Mitosis C) Binary fission D) Budding

A

B) Mitosis.

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12
Q

What are lysosomes often referred to as?

A

The cell’s waste disposal system.

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13
Q

True or False: Chloroplasts are found in animal cells.

A

False.

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14
Q

Fill in the blank: The semi-permeable membrane surrounding a cell is known as the _____.

A

plasma membrane.

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15
Q

What is the primary function of the Golgi apparatus?

A

Modification and packaging of proteins.

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16
Q

Multiple Choice: Which organelle is known as the ‘powerhouse of the cell’? A) Nucleus B) Ribosome C) Mitochondria D) Golgi apparatus

A

C) Mitochondria.

17
Q

What is the main component of the cell membrane?

A

Phospholipids.

18
Q

True or False: All cells have a cell wall.

A

False.

19
Q

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

A

endocytosis.

20
Q

What type of cells undergo meiosis?

A

Germ cells.

21
Q

Multiple Choice: In which phase of the cell cycle does DNA replication occur? A) G1 phase B) S phase C) G2 phase D) M phase

A

B) S phase.

22
Q

What is the function of the cytoskeleton?

A

Provides structural support and shape to the cell.

23
Q

True or False: The nucleolus is involved in ribosome production.

A

True.

24
Q

Fill in the blank: The process by which a cell divides its nucleus is called _____.

A

mitosis.

25
Q

What is the role of the centrosome in cell division?

A

Organizes microtubules and helps in the formation of the spindle fibers.

26
Q

Multiple Choice: Which of the following structures is involved in the synthesis of ATP? A) Ribosome B) Mitochondria C) Nucleus D) Endoplasmic reticulum

A

B) Mitochondria.

27
Q

What are the two main types of cells?

A

Prokaryotic and eukaryotic.

Cytology (1 decks)

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