Chapter One Flashcards Preview

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Flashcards in Chapter One Deck (26)
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1
Q

What can be seen under microscope

A

Cell sizes,movement, shape changes, cell division, and cell staining

2
Q

Light microscope magnification

A

Up to 1000x

3
Q

Resolution of light microscope

A

.2nm

4
Q

Magnification of transmission of electron microscope

A

1 million

5
Q

Resolution of transmission electron microscope

A

2 no

6
Q

Special about scanning electron microscope

A

Coats specimen with heavy metal

7
Q

Magnification with scanning microscope

A

1 million

8
Q

Resolution of scanning electron microscope

A

2nm

9
Q

Characteristics of bacteria

A

One celled organism, circular DNA in cytoplasm, ribosomes, cells walls, have movement tails, quickly reproduce, shape can be rod shaped, spherical or spiral

10
Q

Inner membrane of organelles is where what occurs

A

Cellular respiration

11
Q

Function of chloroplasts

A

Photosynthesis

12
Q

What is the cytosol

A

Cytoplasm with out organelles

13
Q

Function of cytosol

A

Site for chemical reactions

14
Q

What is the most organelle present in the cytosol

A

Ribosomes

15
Q

Function of cytoskeleton

A

Structural support and shape

16
Q

Cytoskeleton contains

A

Actin filaments, microtubules, intermediate filaments

17
Q

Cytoskeleton assists with

A

Intracellular and extracellular movement

18
Q

What makes up a model organism

A

Reproduce quickly, genetically manipulated, genetic properties have been preserved

19
Q

Why E.coli used as model organism

A

Grows well in lab, most well understood

20
Q

Why yeast as model organism

A

Robust and reproduce easily, immobile, can be genetically modified

21
Q

Why arabidobsis Thailana used as model organism

A

Grown inside, produce offspring every 8 to 10 weeks, know complete genome

22
Q

Why drosophila used as model organism

A

9 days from egg to adult, changed gene seen in phenotype

23
Q

Why caenorhabiditis used as model organism

A

Life cycle is a few days, 70% of human protein similar to worm

24
Q

Why zebra fish model organism

A

Developmental models, transparency helps studies

25
Q

Why is a mouse a model organism

A

Bred with similar genetic mutations

26
Q

Why humans as model organisms

A

Medical databases, report their own genetic pecuilarities