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Biology revision > Cell Biology > Flashcards

Cell Biology Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Eukaryotic cells have a…

A

nucleus, cell membrane and cytoplasm and include animal and

plant cells.

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2
Q

Cell membrane controls the

A

movement of substances into and out of a cell.

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3
Q

Cytoplasm is a…

A

jelly like substance where reactions take place inside a cell.

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4
Q

Respiration is the release of…

A

energy

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5
Q

Respiration takes place in the…

A

Mitochondria of cells

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6
Q

Ribosome cells produce

A

Protein

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7
Q

Cell wall are made of…

A

Cellulose

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8
Q

Cell walls give plant cell their…

A

Structure

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9
Q

Vacuole stores

A

sap

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10
Q

Vacuoles give cells their…

A

Cell sap into keep to keep the cell turgid
(Give structure)

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11
Q

Chloroplasts contain…

A

Chlorophyll

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12
Q

Chlorophyll absorbs… for photosynthesis

A

Light

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13
Q

The nucleus is the

A

Brain of a cell

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14
Q

The nucleus is where the… of a cell is stored

A

DNA

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15
Q

Prokaryotic cells and bacterial cells have no…

A

Nucleus

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16
Q

Plant cells can differentiate … their life

A

Throughout

17
Q

Animals cell can only differentiate … in their life

A

Early

18
Q

Magnification equation

A

Magnification = image size ÷ actual size

19
Q

1mm in μm- Micrometer

A

1mm = 1000 μm

20
Q

1μm- Micrometer in nm- Nanometer

A

1μm = 1000nm

21
Q

Electron microscopes give greater…

A

magnification and resolution.

22
Q

Electron microscopes can allow people to see more … structures

A

subcellular

23
Q

Mitosis allows cells to divide for…

A

Growth, repair and development of an embryo

24
Q

3 stages of (GCSE) mitosis

A

1) DNA is copied and mitochondria and ribosome are increased.
2) Chromosomes are pulled to either end of the cell and the nucleus divides.
3) The cytoplasm and cell membranes divide into 2 genetically identical cells.

25
Q

Stem cells are…

A

Undifferentiated cells

26
Q

Stem cells are found in…

A

Embryos, adult animals and meristems in plants

27
Q

Stem cells from embryos can be … made to … into most human cell

A

Cloned, differentiate

28
Q

Stem cell treatments may cure … and …

A

diabetes and paralysis

29
Q

Stem cell treatments are controversial because risk of … and …

A

Viral infection and religious/ethical objections about killing life

30
Q

Stem cell of plants can be cloned for …

A

quick and economically produced plants.

Biology revision (5 decks)

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