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Biological&Chemical Systems > Microscopic World > Flashcards

Microscopic World Flashcards

1
Q

Cell theory states:

A

All living organisms are composed of cells, all cells arise from other cells, the cell is the structural and functional level of life

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2
Q

1837 Schwann created the…

A

Cell theory

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3
Q

1830 Robert Brown noticed the nucleus was…

A

Common in all cells

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4
Q

Shows cell and interior
Uses light
Can be living

A

Optical microscope

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5
Q

Uses beans of e-
Focused by magnets
Complex preparation

A

SEM

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6
Q

Shows internal details of preserved cell

Bouncing e- off specimen

A

TEM

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7
Q

Lack membrane bound organelles

Singular, circular chromosome

A

Prokaryotic

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8
Q

Does not have a cell wall

A

Animal cell

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9
Q

Presence of membrane-bound organelles and multiple chromosomes

A

Eukaryotic

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10
Q

Endomembrane=

A

Produces proteins and other molecules, including SER and RER

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11
Q

Ribosomes

A

Protein synthesis
Primary structure produced
Found freely or RER bound

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12
Q

Mitochondria

A

ATP Synthesis by aerobic respiration

Cytoplasm

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13
Q

Centrioles

A

Cell division

Spindle formation

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14
Q

Peroxiomes

A

Breaks down organic molecules
Synthesises fatty acids
Cytoplasm

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15
Q

Nuclear envelope

A

Separates contents of bucked from cytoplasm

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16
Q

RER

A

Packaging and storing proteins

Produces vesicles

17
Q

Golgi apparatus=

A

Packaging and modifying proteins

18
Q

Lysosomes

A

Digestive enzyme

19
Q

Vesicles

A

Cellular envelopes for transport

20
Q

SER

A

Produce, package, transport lipids & steroids

21
Q

What is the cytoplasm comprised of?

A

Microfilaments
Intermediate filaments
Microtubules

22
Q

Cytoskeleton function

A

Provide structure and transport within the cell

23
Q

Tight junction

A

Prevent movement of material between membranes of adjacent cells

24
Q

What anchors cells?

A

Desmosomes

25
Q

Allows small molecules and water to pass

A

Gap junctions

26
Q

Plasmadesmata

A

Creates pathways through cytoplasm

Biological&Chemical Systems (18 decks)

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