Types of cells Flashcards

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1
Q

Animal Cells

A

Animal cells have centrioles paired structures involved in cell division, and plants do not.

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2
Q

Plant Cells

A

Plant cells contain walls and chloroplasts ( with chlorophyll)… animal cells do no.

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3
Q

Animal Cells ( shape)

A

Irregular

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4
Q

Plant Cells ( shape)

A

Rectangular in shape

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5
Q

Organelles
1. Cell Membrane

A

Protective barrier around cell that allows different substances to move through it

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6
Q

Describe the cell membrane?

A

Made of a double layer of lipids

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7
Q

What is a cell

A

Basic unit of life

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8
Q

What Are Lipids?

A

Fat-like molecule that does not dissolve in water

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9
Q
  1. Cytoplasm
A

Jelly-like substance that fills the cell + surrounds the organelles

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10
Q
  1. Nucleus
A

The control centre of the cell ( controls growth, reproduction)
surrounded by nuclear envelope
Contains nucleolus ( produces ribosomes)
Contains the cells DNA

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11
Q

What is DNA?

A

DNA is ( Deoxyribonucleic acid) which codes for the making of proteins and other molecules

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12
Q
  1. Vacuole
A

Store nutrients, wastes, and other substances used by the cell.

In plant cells, the central vacuole stores water for the cell

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13
Q

Vesicles

A

Transport substances throughout the cell

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14
Q
  1. Mitochondria
A

Supplies energy to the cell

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15
Q

How does Mitochondria supply energy to the cell

A

It converts chemical energy in sugar into energy the cell can use

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16
Q
  1. Lysosomes
A

Filled with enzymes, breaks down bacteria, and damaged cell parts

17
Q

Where does digestion occur ?

A

The Lysosomes

18
Q

Enzymes

A

Proteins that speed up chemical reaction

19
Q
  1. Endoplasmic Reticulum
A

Carries materials throughout the cell made of a series of interconnected tubes

20
Q

7a. Rough Endoplasmic Reticulum( RER)

A

Has ribosomes attached to it

21
Q

What are ribosomes?

A

Sites where proteins are assembled

22
Q

7b. Smooth endoplasmic Reticulum

A

Has no ribosomes attached

23
Q
  1. Golgi Apparatus
A

Modifies, sorts, packages proteins and other materials from E.R

24
Q
  1. Centrioles
A

Involved in animal cell division

25
Q
  1. Cytoskeleton
A

An internal network of fibres maintain the shape of the cells

Made up of microfilaments

26
Q

What are microfilaments?

A

involved in muscle contracting and microtubes, act as tracks for movement

27
Q

Where is the cell wall found?

A

Only found in plants

28
Q

Cell wall description

A

Rigid frame provides strength, protection, and support

29
Q

Chloroplasts

A

Only found in plant cells
Contain chlorophyll, includes thylakoids

30
Q

Chlorophyll

A

A green substance that uses energy from the sun to convert CO2 and H2o into sugar and O2 during photosynthesis

31
Q

Thylakoids

A

Little sacs stacked like coins that act as solar collectors are surrounded by a thick fluid called stroma

32
Q

What are stacks of thylakoids called?

A

Granum

33
Q

How do you find the total magnification seen in a microscope?

A

Magnification of object x Magnification of lens
(10x)(10x)=100x

34
Q

What is resolution?

A

The ability to distinguish between 2 images

35
Q

What is diffusion ?

A

The process for moving substances across the cell membrane

36
Q

What is diffusion ?

A

The process for moving substances across the cell membrane

37
Q

Parts of a microscope

A