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Flashcards in Cells Deck (55):
1

Dutch guy, Discovery and improvement of microscope

Antoine Van Leeuwenhoek

2

Leeuwenhoek coined this term looking at protists in lake water

Animalcules

3

Robert Hooke

"Cells"

4

Hooke was studying this when he coined the term"cell"

Cork

5

Nucleus discovery

Robert Brown

6

Brown was studying

Orchids

7

Cytoplasm & other organelles

Other microscopists

8

Leeuwenhoek's microscope

Single lens

9

Developed the Compound microscope

Joseph Jackson Lister

10

Number of lenses in Compound microscope

2

11

All plants have cells

Matthias Schleiden

12

All animals have cells

Theodore Schwann

13

Proponents of unified cell theory

Schwann and Schleiden

14

Cell theory (3)

1. All organisms made up of cell/s
2.Fundamental unit of life
3.Come from pre-existing cells

15

Modern Cell Theory

4.Same chemical composition (SPONCH)
5.Use Energy (ATP)
6. Contain DNA (duplicated and passed on)

16

General features of cells

DNA
RNA
Ribosomes
Proteins
Cytoplasm
Cell/Plasma Membrane

17

Why are cells small?

Surface area:volume ratio

18

Amount of substances taken in and waste taken out

Surface area

19

Amount of chemical activity iver time

Volume

20

Multicellular organisms ______ to increase ratio

Change cell shapes

21

Structures only in Prokaryotic cells

Nucleoid region
Capsule
Pili

22

Slime/ gelatin layer for protection and adhesion

Capsule

23

Prokaryote:
Compartmentalization of chem reaction
REGULATION

Internal membrane

24

Adhesion in prokaryotes

Pili / fimbria

25

Material exchange through contact

Conjugation

26

Organelle responsible for matl exchange through conjugation

Pili

27

Only in Animal Cells

Centrioles
Lysosomes
Cilia
Flagella

28

Only in Plant Cells

Cell Wall
Contractile Vacuole
Chloroplast

29

Channels that allow cytoplasmic strands to extend between adjacent cells

Plasmodesmata

30

Clear and gel-like substance of cytoplasm

Cytosol

31

Cell wall functions

Shape
Support
Protection

32

Where is information stored in DNA

Nucleotide sequences

33

Instructions and genetic material

DNA

34

Degrade and store

vacuoles

35

Space within cristae

Mitochondrial matrix

35

Lipid synthesis

Smooth ER

35

Hormone synthesis

Smooth ER

36

Cell suicide
(Burst all lysosomes at once)

Apoptosis

37

_____ detoxifies Hydrogen peroxide coming from _____ from the process of _____

Peroxisome
Mitochondria
Cellular Respiration

38

Contains watery solution of enzymes
Regulates H20 concentration
Keeps cell tough and turgid (in hypotonic solution)

Central vacuole

39

Folds in Mitochondria

Cristae

40

Chlorplasts are considered as...

Plastids

41

Chromoplssts synthesize..

Color/pigment

42

Leocoplasts synthesize

Starch

43

Stack of thylakoids

Granum/Grana (pl)

44

Site of photosynthesis

Thylakoid membrane

45

Space in chloroplast
Site of Dark reactions

Stroma

46

Cytoskeleton functions

Shape
Support
Movement
Highway/Tracks for motor proteins

47

Components of cytoskeleton

Actin Filaments (movement and shape)
Intermediate filaments (stability, resist tension)
Microtubules (highway)

48

DNA strands

Chromatin

49

DNA coils

Chromosome

50

"Swimmer's arm"

Cilia

51

"Snake"

Flagella

52

Centriole pairs

Centrosomes

53

Organize microtubules
Affect spacial arrangement and nucleus position

Centrioles