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Biology > The Cell > Flashcards

The Cell Flashcards

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0
Q

How to calculate total magnification?

A

Product of all magnifications

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1
Q

What is resolution

A

The ability to differentiate two closely placed objects

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2
Q

What is the disadvantage of using a compound microscope?

A

You can only use non living specimens

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3
Q

Does phase contrast use living or no living specimens

A

Living

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4
Q

Pros and cons of electron microscope

A

Higher resolution but very thinly sliced samples

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5
Q

Variables which centrifuge separates by

A

Shape and density

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6
Q

Prokaryotes have no ______

A

Membrane bound organelles

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7
Q

Name or spherical prokaryotes

A

Cocci

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8
Q

Name for rod shaped prokaryotes

A

Bacilli

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9
Q

Are eukaryotes unicellular or multicellular

A

Both

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10
Q

What type of organism has a cell wall

A

All prokaryotes and some eukaryotes

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11
Q

What are cell adhesion molecules

A

Proteins that allow cells to recognize each other contributing to cell differentiation and development

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12
Q

Nucleolus

A

Region of the nucleus where rRNA is synthesized

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13
Q

Smooth ER

A

Lipid synthesis and detox

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14
Q

Golgi

A

Receives and repackages material from the ER

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15
Q

Vacuoles

A

More common in plants, for packaging

16
Q

Lysosomes

A

Garbage dump low pH, hydrolytic enzymes, can carry out apoptosis

17
Q

Semiautonomous

A

Have some of their own genes and replicate independent of nucleus via binary fission. Can do apoptosis. Mitochondria is an example.

18
Q

What is Special about DNA from Chloroplasts

A

Contain their own DNA

19
Q

Composition of centrioles

A

9 bundles of 3 micro tubules, organizes spindle apparats

20
Q

Micro filaments are made of

A

Actin

21
Q

Micro tubules are made of

A

Tubulidentata

22
Q

Pinocytosis

A

Endocytosis of fluids

23
Q

Viruses are _____ than prokaryotes

A

Smaller

24
Q

Viruses contain a protein coat called a _____

A

Capsid

Biology (16 decks)

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