Question 1. Cell Flashcards

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1
Q

What is cell?

A

Basic units of all living things

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2
Q

Function of Mitochondria

A

Generates energy

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3
Q

Function of Centriole

A

Forms spindle fibre during cell division in animal cells

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4
Q

Function of Golgi Apparatus

A

Processes,modifies,packs and transport chemicals such as protein,carbohydrate and glycoprotein

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5
Q

Function of Plasma Membrane

A

Controls movement of substances into and out of the cell

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6
Q

Function of Lysosome

A

*-Hydrolyses complex organic molecules
such as protein,nucleic acid and lipid
*-Breaks down bacteria and components
of damaged cell

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7
Q

Function of Nucleus/Nuclei

A

-Control all cell activities
-Has chromosomes that contain DNA

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8
Q

What is DNA

A

DNA determines the cell characteristic and metabolic function

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9
Q

Function of Ribosome

A

Site for protein synthesis

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10
Q

Function of Endoplasmic Reticulum

A
  • Transport system within the cell
  • Provide a wide surface for enzyme attachment and biochemical reaction
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11
Q

Function of Rough Endoplasmic Reticulum

A

Transport protein synthesised by ribosomes

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12
Q

Function of Smooth Endoplasmic Reticulum

A

Synthesises and transports glycerol and lipids
Carries out detoxification of drugs and metabolic byproducts

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13
Q

What is Vacuole

A

A liquid-filled sac, which is the cell sap

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14
Q

What is vacuole surrounded by?

A

Tonoplast membrane

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15
Q

Size of vacuoles on young plant cells and matured plant cells?

A

Small for young,Large for matured

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16
Q

What does cell sap contains?

A

Water,organic acids,sugars,amino acids,enzymes,mineral salts,oxygen,carbon dioxide,metabolic by-products

17
Q

What does cytoplasm consists of

A

jelly-like medium that contains the components of the suspended cells

18
Q

What does cytoplasm contains?

A

Organic compounds e.g protein, lipid and carbohydrate and inorganic compound e.g potassium ions

19
Q

Function of cell wall

A

Maintains the shape and provides mechanical supports to plant cell

20
Q

Function of Chloroplast

A

Absorbs sunlight and convert it to chemical energy during photosynthesis

21
Q

Similarities of plant cell and animal cells

A

Both cells are made of nucleus, cytoplasm, plasma membrane, Golgi apparatus, mitochondrion, endoplasmic reticulum and ribosomes

22
Q

How does Amoeba sp. moves?

A

By extending its pseudopodium/pseudopodia

23
Q

How does Paramecium sp. moves?

A

Using rhythmic cilia beats

24
Q

How does Amoeba sp. gets food?

A

Amoeba sp. moves toward food by extends its pseudopodium to traps food particles by phagocytosis

25
Q

How does Paramecium sp. gets food?

A

Paramecium sp. get its food by using the presence of cilia beat to help transfer food particles into the oral groove

26
Q

How does both Amoeba sp. and Paramecium sp. grow?

A

By synthesising new cytoplasm

27
Q

How does Amoeba sp. and Paramecium sp. responds to stimuli?

A

By moving away from the stimuli

28
Q

One process that is present in the respiration of Unicellular Organisms?

A

Simple Diffusion

29
Q

Explain the process of osmoregulation

A

Waste are removed by diffusion and water will diffuse in by osmosis into the contractile vacuole until it is filled. The vacuole then expands to the maximum size and contraction occurs,thus water is excreted from time to time.

30
Q

If the conditions is suitable and there is plenty of food,how will Amoeba sp. and Paramecium sp. reproduce?

A

via asexual reproduction that is binary fission through mitosis

31
Q

If the condition are not suitable,how does Amoeba sp. and Paramecium sp. reproduce?

A

Amoeba sp. will form spores while Paramecium sp. will undergo conjugation

32
Q
A