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Combined Science Higher > Cells > Flashcards

Cells Flashcards

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Biology 101 flashcards
1
Q

What are all living things made from?

A

Cells

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2
Q

What are the 2 types of cells?

A

Prokaryotic
Eukaryotic

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3
Q

What is a Eukaryotic cell?

A

A cell that contains a nucleus

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4
Q

What is a prokaryotic cell?

A

A cell that doesn’t have a nucleus

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5
Q

What are the different parts of a cell called?

A

Sub-cellular structures

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6
Q

What is the nucleus?

A

Contains genetic material (DNA) that controls activities of the cell

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7
Q

What is the cytoplasm?

A

Gel- like substance where chemical reactions occur. It contains enzymes

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8
Q

What is the cell membrane?

A

Holds the cell together and controls what goes in an do out

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9
Q

What is the mitochondria?

A

This is where aerobic respiration takes place. Respiration transfers energy that the cell needs to work.

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10
Q

What are ribosomes?

A

These are where proteins are made in the cell.

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11
Q

What is a cell wall?

A

Made of cellulose. It supports the cell and strengthens it

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12
Q

What is a permanent vacuole?

A

Contains cell sap

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13
Q

What is cell sap?

A

A weak solution of sugars and salts

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14
Q

What is the chloroplast?

A

Where photosynthesis occurs. They contain a green substance called chlorophyll.

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15
Q

What is chlorophyll?

A

A green substance which absorbs the light needed for photosynthesis

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16
Q

What do prokaryotic cells such as bacteria cells have instead of a nucleus?

A

They have a singular strand of DNA that floats freely in the cytoplasm. They may also contain one or more small rings of DNA called plasmids

17
Q

What don’t bacteria cells have that animal and plant cells do?

A

Chloroplast
Mitochondria

18
Q

If you get to estimate the area of sub-cellular structure in an exam what is the equation?

A

Length x Width = Area

Combined Science Higher (3 decks)

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