Cells Flashcards

1
Q

Features of an animal cell

A
Ribosomes 
Mitochondria 
Cytoplasm 
Cell membrane
Nucleus
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2
Q

Name features of a bacteria cell

A
Plasmid DNA 
Cell wall 
Cell membrane 
Ribosomes 
Chromosomal DNA
Cytoplasm 
Slime coat 
Flagella
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3
Q

Features of a plant cell

A
Ribosomes 
Cell membrane 
Mitochondria 
Chloroplast 
Cell wall
Vacuole 
Cytoplasm
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4
Q

Ribosomes

A

Protein synthesis

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5
Q

Nucleus

A

Contains DNA

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6
Q

Cell membrane

A

Controls what goes in and out of the cell

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7
Q

Mitochondria

A

Where aerobic respiration occurs

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8
Q

Cytoplasm

A

Where chemical reactions take place

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9
Q

Plasmid DNA

A

Controls cell genes and control cell activities

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10
Q

Cell wall

A

Supports cell and maintains its shape

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11
Q

Chromosomal DNA

A

Contains bacteria genes and controls cell activities

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12
Q

Slime coat

A

Stop cell drying out and being engulfed

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13
Q

Flagella

A

Moves the propel of the cell

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14
Q

Vacuole

A

Stores sap and keeps the cell rigid

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15
Q

Prokaryotic def

A

A cell lacking a true nucleus

Bacteria

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16
Q

Eukaryotic def

A

A cell with a true nucleus
Plant cell
Animal cell

17
Q

Enzyme def

A

Biological catalyst
Speeds up
Chemicals unchanged

18
Q

Name 3 enzymes

A

Carbohydrase
Protease
Lipase

19
Q

Carbohydrates

A

Carbohydrates or starch - simple sugar eg glucose

20
Q

Protease

A

Protein - amino acids

21
Q

Lipase

A

Lipids -fat - glycerol - fatty acids

22
Q

Denaturing def

A

Active site changes site

23
Q

Causes of denaturing

A

Extreme temperatur and ph

24
Q

Optimum temp for enzyme

A

37.5 - body temperature

25
Q

Optimum ph

A

7-8 - but pepsin is 2

26
Q

Haploid def

A

One set of chromosomes
Half normal number
Eg gametes

27
Q

Diploid def

A

Two sets of chromosomes
Normal number
46

28
Q

Actual size =

A

Image size / magnification

29
Q

Magnification =

A

Images size / actual size

30
Q

Image size

A

Actual size x magnification

31
Q

Diffusion def

A

High concentration - low concentration
Respiration
Down concentration gradient

32
Q

Osmosis

A

High concentration - low concentration
Water into root hair cell
Down concentration gradient

33
Q

Active transport

A

Low concentration- high concentration
Energy required
Minerals to root hair cells
Down concentration gradient