SB1b - Plant and animal cells Flashcards

1
Q

What are cells?

A

 Cells are the smallest living unit.

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2
Q

Name me all the cell structures within the animal cell.

A

Cytoplasm
Nucleus
cell membrane
mitochondria
ribosomes

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3
Q

What is a Cytoplasm?

A

It is a jelly-like substance that contains dissolved nutrients and salts and structures called organelles. It is where many of the chemical reactions occur within the cell

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4
Q

What is a Nucleus?

A

A nucleus contains genetic material which includes DNA and it the part of the cell that controls all of its activities

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5
Q

What is a cell membrane?

A

a cell membrane is a semi-permeable membrane that allows some substances to pass but not others . It controls the movement of substances in and out of the cell

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6
Q

What are mitochondria?

A

Mitochondria are organelles that contain enzyme which are used for respiration. It is where most of the energy of the cell is released in respiration

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7
Q

What is a ribosome?

A

Tiny structures where protein synthesis occurs (proteins are made)

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8
Q

What is cell staining?

A

Staining cells refers to the coloring of cells or their parts in order to make them
visible or easier to distinguish

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9
Q

What are the steps in which we take in order to stain a cell?

A
  1. Collect cells and place them on a glass slide
  2. Add a stain
  3. Squash cells and stain with a cover slip creating a thin layer of cells
  4. Heat to intensify stain
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10
Q

Name me all the cell structures within a PLANT cell.

A

Cytoplasm
Nucleus
cell membrane
mitochondria
ribosomes
chloroplasts
cell wall
permanent vacuole

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11
Q

What is a Chloroplast? what do they contain?

A

a chloroplast is an organelle that contain green pigment called chlorophyll, which absolves light energy for photosynthesis it also contains the enzymes needed for photosynthesis

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12
Q

What is a cell wall? what are plant cell walls made of

A

a wall shielding the cell which provides structure and protection

they are made of cellulose

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13
Q

What is a permanent vacuole?

A

it is a sack containing nutrient for the cell such as cell sap which is there in order to keep the cell swollen

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