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Biology > Biology > Flashcards

Biology Flashcards

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AP® Biology flashcards Biology 101 flashcards
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 up of cells.

A

True

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3
Q

Fill in the blank: The process by which plants make their own food is called __________.

A

photosynthesis

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4
Q

What is the main function of the mitochondria?

A

To produce energy (ATP) through respiration

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5
Q

Which type of cell contains a nucleus?

A

Eukaryotic cell

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6
Q

What is the function of ribosomes in a cell?

A

To synthesize proteins

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7
Q

Multiple Choice: Which of the following is NOT a characteristic of living organisms? A) Growth B) Reproduction C) Inability to respond to stimuli D) Metabolism

A

C) Inability to respond to stimuli

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8
Q

What is the role of chlorophyll in plants?

A

To absorb light energy for photosynthesis

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9
Q

True or False: DNA is the genetic material found in all living organisms.

A

True

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10
Q

What are the two main types of cells?

A

Prokaryotic and Eukaryotic

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11
Q

Fill in the blank: The __________ is responsible for controlling the activities of the cell.

A

nucleus

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12
Q

What is osmosis?

A

The movement of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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13
Q

Multiple Choice: Which part of the plant is primarily responsible for water absorption? A) Leaves B) Roots C) Stems D) Flowers

A

B) Roots

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14
Q

What is the function of the cell membrane?

A

To regulate what enters and leaves the cell.

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15
Q

True or False: All cells have a cell wall.

A

False

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16
Q

What is the primary source of energy for most ecosystems?

A

The sun

17
Q

Fill in the blank: The __________ is a gel-like substance within the cell where organelles are found.

A

cytoplasm

18
Q

What are enzymes?

A

Biological catalysts that speed up chemical reactions in the body.

19
Q

Multiple Choice: Which of the following is a method of asexual reproduction? A) Binary fission B) Pollination C) Fertilization D) Budding

A

A) Binary fission

20
Q

What is the significance of the fossil record?

A

It provides evidence for the history of life and evolution.

21
Q

True or False: Plants are autotrophs.

A

True

22
Q

What is the main purpose of cellular respiration?

A

To convert glucose into usable energy (ATP).

23
Q

Fill in the blank: The __________ is a group of similar cells that perform a specific function.

A

tissue

24
Q

What is biodiversity?

A

The variety of life in the world or in a particular habitat or ecosystem.

25
Q

Multiple Choice: Which process involves the transfer of pollen from male to female parts of a flower? A) Germination B) Pollination C) Fertilization D) Photosynthesis

A

B) Pollination

26
Q

What is the role of decomposers in an ecosystem?

A

To break down dead organic matter and recycle nutrients back into the ecosystem.

Biology (2 decks)

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