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Biology Lab > Lab 1 > Flashcards

Lab 1 Flashcards

Microscopes and Protists

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1
Q

What is the Diameter of Field of View for 4X Objective Lens?

A

4 mm

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2
Q

What is the Diameter of Field of View for 10X Objective Lens?

A

1.6 mm

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3
Q

What is the Diameter of Field of View for 40X Objective Lens?

A

0.4 mm

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4
Q

What is the Diameter of Field of View for 100X Objective Lens?

A

0.16 mm

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5
Q

What is the magnification for 4X Objective Lens?

A

40X

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6
Q

What is the magnification for 10X Objective Lens?

A

100X

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7
Q

What is the magnification for 40X Objective Lens?

A

400X

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8
Q

What is the magnification for 100X Objective Lens?

A

1000X

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9
Q

What type of lens in the 100X objective?

A

Oil immersion lens

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10
Q

Rheostat

A

Controls the light source in the base of the microscope

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11
Q

Coaxial Drive

A

Moves the slides of the microscope stage

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12
Q

Which has higher magnification power - Dissecting Microscope/Light Microscope?

A

Light Microscope

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13
Q

What type of light does a Dissecting Microscope use?

A

Reflected light (best for viewing large,opaque objects)

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14
Q

Protists

A

All eukaryotic organisms that are not classified as plants,animals or fungi

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15
Q

Pseudopodia

A

cytoplasmic extensions that form false feet

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16
Q

What types of protists use pseudopodia?

A

Amoeba

17
Q

What is the role of pseudopodia?

A

Used by amoeba for locomotion and feeding.

18
Q

What are the 4 defining traits of amoeba’s?

A

Large nucleus, food vacuoles, outer ectoplasm and inner endoplasm

19
Q

Contractile Vacuole

A

Clear, round body that rapidly forms and disappears in Amoeba and other freshwater protists. They pump out excess water gained by osmosis to maintain homeostasis.

20
Q

Foraminiferans

A

Amoeba with calcareous tests perforated with tiny pores. Marine organism that makes up sea bed

21
Q

Radiolarians

A

Silica tests of many different species - marine organism -make up sea bed

22
Q

Flagellate Group

A

Use flagella for locomotion, photosynthetic

23
Q

Euglena

A

Part of Flagellate Group - red eyespot, chloroplasts and flagellum

24
Q

Volvox

A

colonial organism, large hollow ball of cells each with their own flagella, small daughter colonies inside the volvox colony

25
Q

Ciliate Group

A

Very diverse group that uses cilia for locomotion - tough outer pellicle, oral groove, vacuoles and anal pore

26
Q

Pellicle

A

Tough outer flexible test found in ciliate group

27
Q

How many types of nuclei do Ciliates have?

A

2

28
Q

What is the role of Ciliates’ macronucleus?

A

metabolic processes

29
Q

What is the role of Ciliates’ micronuclei?

A

Sexual Reproduction

30
Q

Paramecium (Name 5 traits)

A

Cilliate - cilia, pellicle, oral groove, contractile vacuoles and 2 types of nuclei

31
Q

Vorticella

A

Cilliate - attaches by a stalk to a piece of debris, cilia, pellicle, oral groove, contractile vacuoles

32
Q

Contractile stalk

A

In Vorticella - goblet-shaped organism attached to the substrate by this - Stalk can shorten and serve as an escape response

33
Q

Stentor

A

Blue-green ciliates - shaped as call or vase-shaped, cilia difficult to see

34
Q

Diatom Group

A

Photosynthetic protists with distinctive cell walls embedded with silica

35
Q

Frustules

A

2 part cell walls of diatom group

36
Q

How do Diatoms move?

A

No flagella or cilia, planktonic or move with mucus secretions

Biology Lab (4 decks)

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