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Biology 120 > Chapter 4 > Flashcards

Chapter 4 Flashcards

1
Q

Types of Cells

A

Prokaryotic, Eukaryotic

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2
Q

Prokaryotic

A

Bacteria, no - nucleus, no membrane-bound organelles

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3
Q

Eukaryotic

A

Animal cells, plant cells

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4
Q

Plant cells have a ___

A

Cell wall

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5
Q

Surface to volume ratio

A

Limits cell size

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6
Q

Genetic control

A

Nucleus, Ribosomes

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7
Q

Nucleus

A

DNA

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8
Q

The nucleus has a _____ membrane

A

Double

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9
Q

Ribosomes

A

Translates mRNA to proteins

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10
Q

Rough Endoplasmic Reticulum

A

Have Ribosomes on outside giving rough appearance

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11
Q

RER is composed of ____ sacs

A

Interconnected

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12
Q

RER functions

A

Make more membrane

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13
Q

Smooth ER

A

Continuous with RER

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14
Q

Smooth ER has ___ tubes

A

Interconnected

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15
Q

Smooth ER’s job is to

A

Synthesize lipids, phospholipids, fatty acids, and steroids

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16
Q

Golgi Apparatus has ___ of sacs

A

stacks, not interconnected

number of sacs associated with cell’s function

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17
Q

Modifies/ Finishes molecules carried by transport vesicles from ER

A

Golgi Apparatus

18
Q

Lysosomes

A

Sacs of digestive enzymes

19
Q

Lysosomes break down

A

Food, invaders, damaged organelles

20
Q

Vacuoles

A

Membranous sac

21
Q

Vacuoles function

A

Breakdown, support, storage of important molecules and toxins, pigment

22
Q

Powerhouse of cell

A

Mitochondria

23
Q

Mitochondria’s two parts

A

Cristae, Matrix

24
Q

Cristae

25
Q

Matrix

A

Inner part of cell

26
Q

Chloroplast

A

Used for photosynthesis, has 3 parts

27
Q

Photosynthesis

A

Converts light energy into food

28
Q

3 parts of Chloroplast

A

Stroma, Thylakoid, Grana

29
Q

Cytoskeleton

A

Microfilaments, Intermediate Filament, Microtubules

30
Q

Shape change and movement

A

Microfilaments

31
Q

Anchor organelle

A

Intermediate Filament

32
Q

Rigidity and shape, anchor organelles, tract for organelle movement

A

Microtubules

33
Q

Cilia and Flagella

A

Cellular structures composed of microtubules, provide movement

34
Q

Cilia

A

9 + 2 arrangement

35
Q

Sticky layer of glycoproteins secreted by animal cells

A

Extracellular Matrix

36
Q

3 Animal cell junctions

A

Tight, Anchoring, Communication

37
Q

Tight junctions

A

Bind cells together, leak proof

38
Q

Anchoring junction

A

Attach cells but allows fluid to pass

39
Q

Communication junctions

A

Allows water and small molecules between adjacent cells

40
Q

Plasmodesmata

A

Channels between plant cells allows communication and nutrient sharing

Biology 120 (7 decks)

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