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BIOL-L 112 Exam 1 > Learning Group 3 > Flashcards

Learning Group 3 Flashcards

1
Q

Examples of Organelles?

A

Ribosomes, Mitochondria, ER, Nucleus, Lysosome

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2
Q

Prokaryotic Cells

A

Smaller
Simpler
Most do not have organelles
FOund in bacteria and archaea

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3
Q

Eukaryotic Cells

A

Larger
More Complex
Have Organelles
Found in animals, plants, protists, fungi

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4
Q

FLuid Mosaic Model; FLuid

A

Fluid comes from the movement of the phospholipids

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5
Q

Fluid Mosaic Model: Mosaic

A

Comes from the proteins that are scattered across the membrane

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6
Q

What membrane is in the Fluid Mosaic Model?

A

Is a phospholipid bilayer

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7
Q

Nuclear envelope protects what?

A

Nucleus

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8
Q

Envelope is…

A

continuous with the ER

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9
Q

Nuclear Pores

A

Move contents in and out of the nucleus

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10
Q

Nucleus contains.

A

DNA and histone proteins

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11
Q

Nucleolus is a condensed mass of..

A

rRNA

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12
Q

What determines what passes through Nuclear Pore?

A

Nuclear pores are selective. Only certain things can come in and out

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13
Q

Nucleases

A

When the cell is not selective, the cell dies

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14
Q

Nucleosome

A

Unit of DNA packaging

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15
Q

Chromatin

A

Fiber that is formed when DNA associates with histones

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16
Q

Chromosome

A

One unit of coiled Chromatin

17
Q

Ribosomes

A

translate the mRNA into a sequence of amino acids that synthesize proteins

Part rRNA and part protein

18
Q

Ribosomes assembly

A

Partially assembled in nucleolus, whole assembly in the cytoplasm

19
Q

Rough ER

A

Contains ribosomes that produce membrane and secretory proteins. Proteins moved via transport vesicles

20
Q

Smooth ER

A

Produces lipids and steroids; helps detoxify drugs

21
Q

Golgi

A

Processes and modifies chemical products of the cell; works in partnership with the ER

22
Q

Lysosome

A

Contains digestive enzymes, absent from most plant cells, break down many macromolecules (proteins, sugars, fats, nucleic acid)

23
Q

Peroxisomes

A

Contains enzymes, breaks down fatty acids, detoxifies chemicals such as drugs and alcohol

24
Q

Central Vacuoles of Plants

A

Stores organic nutrients and waste
Break down waste
Absorb Water
May contain pigments or poisons

25
Q

Mitochondria

A

Organelles of cellular respiration, produce ATP. Contains DNA of their own

26
Q

Cellular Respiration Equation

A

Glucose + Oxygen –> Water + Carbon Dioxide + Energy

27
Q

Chloroplasts

A

Capture light energy in pigments called chlorophyll

28
Q

Cytoskeleton Components

A

Actin, Microtubule, Intermediate Filament

29
Q

Cytoskeleton Function

A

Mechanical Support, Shape, Movement

30
Q

Cytoskeleton

A

Different filaments have different functoins. Movement of cell and organizing DNA during cell division (Mitotic Spindle-microtubules)

BIOL-L 112 Exam 1 (7 decks)

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