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Year 10; BIOLOGY > B1 Cells > Flashcards

B1 Cells Flashcards

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1
Q

What is the difference between a low resolution microscope and a high resolution microscope?

A

High resolution microscopes can have extra magnification, without the image become blurry.

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2
Q

How do you find the total magnification of a lens?

A

Eyepiece lens (10) x objective lens magnification

SIZE OF REAL OBJECT

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3
Q

What is the difference between multicellular organisms and unicellular organisms?

A

multicellular organisms are made up of organs, unicellular organisms are made up of one type of cell.

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4
Q

What does the nucleus contain?

A

DNA

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5
Q

What controls what goes in and out of cells in an animal cell?

A

Cell Membrane

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6
Q

Where do the cells chemical reactions take place in an animal cell

A

Cytoplasm

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7
Q

What occurs it Mitochondria?

A

Respiration

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8
Q

what does chlorophyll allow plants to do?

A

Photosynthesise

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9
Q

What does the cell wall do in a plant cell?

A

Supports the shape of the cell.

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10
Q

What stores sugars in a plant cell, and keeps the plant cell swollen?

A

The vacuole

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11
Q

How are red blood cells specialised?

A

they have no nucleus to carry more oxygen

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12
Q

How are nerve cells specialised?

A

They have dendrites to carry out impulses.

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13
Q

What do white blood cells do?

A

Enable us to fight infections

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14
Q

Are plant cells prokaryotic or eukaryotic?

A

Eukaryotic

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14
Q

What is the difference between Eukaryotic cells and Prokaryotic cells?

A

Eukaryotic cells are made of of nucleus’ and other membrane surrounded membranes.

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15
Q

What is a ribosome?

A

Tiny structures where protein synthesis occurs.

16
Q

Why is a bacteria cell a Prokaryotic cell?

A

They don’t have a nucleus or any other structures surrounded by membranes

17
Q

Is a Eukaryotic cell bigger than a Prokaryotic cell?

A

yes
Eukaryotic(5μm-100μm)
PRO.(0.2μm-2μm)

17
Q

What is the difference between chromosomal DNA and plasmid DNA?

A

plasmid DNA can move from one bacterium to another giving variation.

18
Q

What are the three specialised plant cells?

A

Root cells
phloem cells
xylem cells

19
Q

What are the three specialised animal cells?

A

muscle cells
nerve cells
sperm cells

20
Q

What are the disadvantages of an electron microscope?

A

have to put metal coat on small specimens
hard to move around
are extremely expensive

21
Q

what tool aloud us to discover the most of living things work

A

the microscope

22
Q
A

Year 10; BIOLOGY (2 decks)

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