B1-key Concepts In Biology Flashcards

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1
Q

What is the difference between magnification and resolution?

A

Magnification is How much an image is tham the actual object being observed

Resolution is the ability to distinguish two points .a high resolution means an image will be sharper and clearer

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2
Q

Comparing light and electroms microscopes

Magnification
Resolution
Type of radiation used
Focused by 
Type of material that can be viewed
Size 
Preparation and cost of material
A
Light microscope 
X1500
250nm
Light
Glass lenses
Living abiotic
Small and portable
Cheap and easy
Electron microscope x500000
0.25
Electeons
Electromagnets
Dead/abiotic
Large and static 
Difficult and expensive
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3
Q

What are the two primary types of cell

A

Prokaryotic and eukaryotic

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4
Q

What is prokaryotes?

A

Organisms that are one single prokaryotic cell

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5
Q

Does Prokaryotic have a nucleus

Is it a bacteria

A

Has no true nucleus

Bacteria

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6
Q

Does eukaryotic have a nuleus

A

Has a true nucleu

Fungi ,plant and animal cells

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7
Q

What is eukaryotes

A

Organisms made up of many eukaryotic cells

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8
Q

Aerobic respiration occurs in the ribosomes true or false

A

False

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9
Q

Plants cells are prokaryotic

True or false

A

False

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10
Q

Bacteria cells have a nucleus

True of false

A

False

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11
Q

All cells have cytoplasm

True or false

A

True

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12
Q

All cells have a cell wall

True or false

A

False

Animal cells dont have a cell wall

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13
Q

Flagellum roatate to allow some bacteria to move

False or true

A

True

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14
Q

Chromosomal and plasmid Dna are both circular

True or false

A

True

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