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Biology Flashcards

1
Q

What is the basic unit of life

A

The cell

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2
Q

What is the process by which cells divide

A

Mitosis

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3
Q

What molecule carries genetic information

A

Dna

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4
Q

What is the powerhouse of the cell

A

Mitochondria

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5
Q

What are the building blocks of proteins

A

Amino acids

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6
Q

What is the process of converting sunlight into chemical energy

A

photosynthesis

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7
Q

What is the term for a change in a DNA sequence

A

Mutation

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8
Q

What is the main pigment involved in photosynthesis

A

Chlorophyll

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9
Q

What is the term for the movement of water across a semipermeable membrane

A

Osmosis

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10
Q

What are the two stages of photosynthesis

A

Light dependent reactions and calvin cycle

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11
Q

what is the process by which organisms maintain a stable internal environment

A

homeostasis

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12
Q

what is the primary function of ribosomes

A

protein synthesis

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13
Q

what is the semi fluid substance inside the cell memebrane

A

cytoplasm

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14
Q

what is the process by which cells obtain energy from glucose

A

cellular respiration

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15
Q

what organelle is responsible for photosynthesis

A

chloroplast

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16
Q

what is the difference between prokaryotic and eukaryotic cells?

A

Prokaryotic cells lack a nucleus and membrane bound organelles; eukaryotic cells have them

17
Q

what is the term for organisms that can make their own food

A

autotrophs

18
Q

what is the role of enzymes in biological reactions

A

they act as catalysts to speed up reactions

19
Q

what is the genetic material in viruses

A

either DNA or RNA

20
Q

what is the fluid mosaic model

A

a description of the cell membrane structure, depicting it as mosaic of components

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