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Zoology > The Cell > Flashcards

The Cell Flashcards

0
Q

Dutch Microscopist

A

Leeuwenhoek

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1
Q

First to use the word cell

A

Robert Hooke

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2
Q

Plant tissue made up of cells

A

Schleden

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3
Q

Animal tissue made up of cells

A

Schwann

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4
Q

Cell theory - cells come from preexisting cells

A

Virchow

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5
Q

Protoplasm

A

Purkinje

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12
Q

Fluid mosaic model composition

A

Phospholipid bi-layer

Embedded glycoproteins

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13
Q

Plasma membrane proteins functions

A

Receptors
Recognition sites
Transport vesicles

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14
Q

Fluid mosaic model
Fluid structure
Regulates flow

A

Plasma membrane

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15
Q

Decreases permeability of membrane

A

Cholesterol

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16
Q

Storage and processing of genetic info

A

Nucleus

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17
Q

Contains DNA and DNA-binding proteins

A

Chromatin

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18
Q

DNA-binding proteins

A

Histone

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19
Q

Separates nuclear contents from cytoplasm

Equipped with complex proteins which allow movement of molecules

A

Nuclear membrane

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20
Q

Synthesis of ribosomal RNA

A

Nucleoli

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21
Q

Network of membranous channels

22
Q

Studded with ribosomes

Site of protein synthesis

23
Q

No ribosomes

Lipid synthesis

24
Q

Protein synthesis

Free or attached to rough er

25
Q

Stacks of flattened membrane

Modification, packaging and storage of ER products

A

Golgi Body

26
Q

Transport ER products to golgi

Membranous sac

27
Q

Transport and storage of materials

A

Membranous sac

28
Q

Specialized vesicle
Contains hydrolytic enzymes
Digestion of damaged organelles or pathogens

29
Q

Double membrane organelle
Folded inner - cristae
ATP synthesis
Self replicating

A

Mitochondria

30
Q

Supports and maintain cell shape

Movements within cell

A

Cytoskeleton

31
Q

Protein filament

Muscle contraction and other cellular movements

A

Microfilaments

32
Q

Protein tubulin

Movement of chromosomes during cell division

A

Microtubules

33
Q

6 biochemically distinct sub-types
Resist cell stretching
Hold adjacent cells together
Composition and arrangement depend on cell type

A

Intermediate filaments

34
Q

9 triplets of microtubules arranged as a cylinder
Organization of spindle apparatus
Replicate prior to cell division

A

Centrioles

35
Q

Motile extension of cell surface

A

Cilia and flagella

36
Q

Extension of plasma membrane

For movement of cells

A

Pseudopodia

37
Q

Small projections of cell surface
Increase surface area
Small intestine

A

Microvilli

38
Q

Seal to prevent passage

Encircles cells

A

Tight junctions

39
Q

Link adjacent cells together
Below tight junction
Ex. Desmosome, hemidesmosome

A

Adhesion junction

40
Q

Form tiny canals allowing passage

A

Communicating junctions

41
Q

Basal body

A

Kinetosome

Zoology (6 decks)

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