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Bio > Topic 2 > Flashcards

Topic 2 Flashcards

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Biology 101 flashcards
1
Q

Functions of cell membrane

A

Barrier between cell and surroundings
Controls movement of substances into and out of the cell
Partially permeable

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2
Q

Functions of nucleus

A

Controls all activities in the cell
Controls how cells develop

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3
Q

Functions of
Cytoplasm

A

Place where many chemical reactions take place

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4
Q

Functions of chloroplast

A

Photosynthesis
Stores starch

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5
Q

Functions of cell wall

A

Stops cells from bursting when they fill with water
Gives shape
Allows water to pass through freely and fully permeable

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6
Q

Functions of vacuole

A

Full of water to maintain shape and firmness of cell
Stores ions and sugars

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7
Q

Functions of mitochondria

A

Release energy during aerobic respiration

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8
Q

Functions of ribosomes

A

Make proteins for the cell

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9
Q

Plant cell parts

A

Cell wall
Chloroplasts
Cell membrane
Vacuole
Nucleus
Cytoplasm

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10
Q

Animal cell parts

A

Cell membrane
Nucleus
Cytoplasm

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11
Q

How to calculate magnification

A

Image size / actual size

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12
Q

Where are ribosomes present

A

Outer surface of RER

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13
Q

Function or RER

A

The main function of RER is to package and transport proteins made by ribosomes

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14
Q

Vesicles function

A

Travel through cytoplasm and attach to cell membrane and release their contents outside the cell

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15
Q

Specialized cells

A

Root hair cells
Xylem vessels
Neurones
Red blood cells
Palisade mesophyll cells
Sperm cells
Egg cells

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16
Q

Functions of ciliated cells

A

Found in air passages in lungs
Have cilia on the surface
Cilia Move the mucus that traps dust and pathogens up to the nose and throat

17
Q

Functions and adaptations of root hair cells

A

Absorb water and ions from the surface
Long extensions that give large surface area

18
Q

Functions and adaptations of xylem vessels

A

Cell walls are thickened with bands of cellulose and waterproof material called lignin

Lignin allows water and ions to move from the roots to the rest of the plant to support the stem and leaves

19
Q

Functions and adaptations of Neurons

A

Thin extensions of the cytoplasm like wires.
They are able to transmit information in the form of electrical impulses around the body

20
Q

Functions and adaptations of Red blood cells

A

Contain haemoglobin that Carries oxygen
Flattened disc shape provides a large surface area compared with their volume

21
Q

Functions and adaptations of palisade mesophyll cells

A

Cell wall made up of tough cellulose
Chloroplast trap light energy for photosynthesis
Large vacuole is filled with cell sap

22
Q

Functions and adaptations of Sperm cells

A

Tail and are adapted for swimming
Head Carrie’s genetic information from male into female

23
Q

Functions and adaptations of Egg cells

A

Bigger than sperm cells
Contain yolk as store of energy
Carries genes

24
Q

Levels of organization for organs

A

Organ system
Organ
Tissue
Cells

25
Q

Parts of digestive system

A

Oesophagus
Stomach
Pancreas
Liver
Intestines

26
Q

Parts of excretory system

A

Kidneys
Ureters
Bladder

27
Q

Parts of nervous system

A

Brain
Spinal cord
Nerves

28
Q

Parts of reproductive system

A

Ovaries
Urerus
Vagina

29
Q

What is mesophyll

A

The tissue that Carries out photosynthesis in leaves

30
Q

What is a mesophyll

A

The tissue that carries photosynthesis in leaves is called mesophyll

Bio (15 decks)

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