Chapter 1.1 Cell Structure Flashcards

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1
Q

A unicellular organism has

A

one single cell

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2
Q

A multicellular organism is made up of

A

many cells

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3
Q

The ultrastructure of a cell is its

A

fine structure as revealed at high magnification

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4
Q

Chloroplasts are present in

A

green plant cells

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5
Q

The nucleus of a cells contains

A

genetic material and controls cell activities

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6
Q

The cell membrane controls

A

the entry and exit of substances into and out of the cell

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7
Q

Cell organelles are

A

compartments found in the cytoplasm and are the site of chemical reactions

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8
Q

Bacterial cells do not contain

A

organelles

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9
Q

The cell wall is for

A

support and shape and prevents plant cells from bursting.

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10
Q

Plant, fungal and bacterial cell walls have different

A

structures and are composed of different chemicals

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11
Q

The vacuole stores a

A

watery solution of salts and sugars and helps to support cells.

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12
Q

Chloroplasts contain

A

chlorophyll and are the sites of photosynthesis

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13
Q

Mitochondria are the sites of

A

aerobic respiration in cells.

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14
Q

Ribosomes are the sites of

A

protein synthesis in cells

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15
Q

In bacterial cells, plasmids hold

A

some of the genetic material (DNA) of the cell.

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16
Q

Aerobic respiration is the

A

release of energy from food by a cell using oxygen

17
Q

Cellulose

A

structural carbohydrate of which plant cell walls are composed

18
Q

Cytoplasm is a

A

jelly-like liquid containing cell organelles and the site of many chemical reactions.

19
Q

DNA is

A

Deoxyribonucleic acid; a substance in chromosomes that carries the genetic code of an organism

20
Q

Mitochondrion is the

A

organelle that is the site of aerobic respiration and ATP production in cells

21
Q

Protein is

A

a substance composed of chains of amino acids and containing the elements carbon, hydrogen, oxygen and nitrogen.