Lesson 3: Microscope & The Animal Cell

Question 1

an instrument that magnifies an object

Answer 1

Microscope

Question 2

Micro means

Answer 2

Small

Question 3

Scope means

Answer 3

to look at

Question 4

Photographs of cells are taken with a microscope and these images can also be called ____

Answer 4

micrographs

Question 5

2 parameters that are important in microscopy

Answer 5

1. Magnification
2. Resolving power

Question 6

The process of enlarging an object in appearance

Answer 6

Magnification

Question 7

The ability of a microscope to distinguish two adjacent structures as separate: the higher the resolution, the better the clarity and detail of the image

Answer 7

Resolving power

Question 8

_____ lenses are used for study of small objects

Answer 8

Oil immersion

Question 9

magnification is usually increased to _____

Answer 9

1,000 times

Question 10

Also called student microscope

Answer 10

Simple compound microscope

Question 11

Light microscopes commonly used in the laboratory to magnify up to approximately _____

Answer 11

400 times

Question 12

It uses a beam of electrons

Answer 12

Electron microscope

Question 13

These parts are what hold up everything else of a device; They are the only sturdy parts of microscope

Answer 13

Structural components

Question 14

Holding up the entire microscope on top

Answer 14

Base or foot

Question 15

A small vertical part that projects out of the flat base

Answer 15

Piller

Question 16

This is the one of the most iconic parts of a microscope

Answer 16

Arm

Question 17

a hallow tube that holds up all the optical parts of the microscope

Answer 17

Body

Question 18

it has a lot of moving parts; and these parts fall into this category

Answer 18

Mechanical parts

Question 19

This is the rectangular solid part on which the specimen slide is placed

Answer 19

Stage

Question 20

you can use this to securely hold the slide in places so that it doesn’t accidentally move

Answer 20

Clips or stage clips

Question 21

It is necessary to have control over how much light is passed through the aperture or else either your eyes may get damaged or you won’t see anything

Answer 21

Diaphragm

Question 22

Hanging from the lower end of the body tube, there is a circular rotating platform that can hold different kinds of objective lenses

Answer 22

Nose piece

Question 23

They are the most used parts of a microscope; they move the lens assembly up and down

Answer 23

Adjustment knobs

Question 24

These are the parts that create the image of the specimen that you will see at the end

Answer 24

Optical parts

Question 25

This is the source of light placed below the stage

Answer 25

Illuminator or mirror

Question 26

This is just a broad lens right under the diaphragm that focuses the light coming from the mirror (or bulb) and focuses it sharply right through the narrow hole of the aperture

Answer 26

Condenser

Question 27

This is the lens at the very top of the microscope, through which you look inside

Answer 27

Ocular or eyepiece

Question 28

The most important and vital part, the main lens assembly, without which a microscope cannot function in any way

Answer 28

Objectives

Question 29

Study of cells

Answer 29

Cytology

Question 30

Who responsible for naming cells?

Answer 30

Robert Hooke

Question 31

A dutch microscope maker and was first to view organism( living things) in 1673

Answer 31

Anton Van Leeuwenhoek

Question 32

he concluded that plants were made of cells also he is a cofounder of the cell theory (German botanist)

Answer 32

Matthias Schleiden

Question 33

He concluded that all animals were made of cells; also cofounded the cell theory (German zoologist)

Answer 33

Theodore Schwann

Question 34

In 1855, he reasoned that all cells come from other pre existing cells by division (German medical doctor)

Answer 34

Rudolph Virchow

Question 35

Cell theory states that:

Answer 35

1. All living things are made of cells 2. Basic unit of life 3. Cell division

Question 36

The combined work of Schleiden, Schwann, and Virchow

Answer 36

Cell Theory

Question 37

In 1970, American biologist, provided evidence that some organelles within cells were at one time free living cells themselves

Answer 37

Lynn Margulis

Question 38

3 basic types of cells

Answer 38

1. Animal cell 2. Plant cell 3. Bacterial cell

Question 39

Largest cell in the human body; seen without the aid of a microscope

Answer 39

Female egg

Question 40

Composed of one cell

Answer 40

Unicellular

Question 41

Composed of many cells that may organize into tissues

Answer 41

Multicellular

Question 42

Cell specialization

Answer 42

Differentiation

Question 43

Specialized animal cells

Answer 43

• Muscle cells • Red blood cells • Cheek cells

Question 44

Nonliving levels:

Answer 44

1. Atom 2. Molecule 3. Organelles

Question 45

Living levels:

Answer 45

1. Cell 2. Tissue 3. Organ 4. Organ systems 5. Organism

Question 46

Living levels continued: 1. One species in an area 2. Several populations in an area 3. Forest, prairie 4. Tundra, tropical rainforest 5. All living and non living things on earth

Answer 46

1. Population 2. Community 3. Ecosystem 4. Biome 5. Biosphere

Question 47

Simplest type of cell

Answer 47

Prokaryotes

Question 48

Most complex cell

Answer 48

Eukaryotes

Question 49

Basic cell structure of eukaryotic cells

Answer 49

1. Nucleus 2. Cell membrane 3. Cytoplasm with organelles

Question 50

2 main types of eukaryotic cells

Answer 50

1. Animal cell 2. Plant cell

Question 51

Very small (microscopic) found in the cytoplasm

Answer 51

Organelles

Question 52

Types of Electron microscope

Answer 52

Scanning microscope Transmission microscope

Question 53

Hole in the center of stage

Answer 53

Aperture

Question 54

It is the bigger knob, moves the lenses a lot

Answer 54

Coarse adjustment