Unit 2(Topic's 1-3)

Question 1

Definition:Cell

Answer 1

The smallest unit that can perform the functions of life.

Question 2

Definition:Nucleus

Answer 2

In a cell, an organelle that controls all the cells activities.

Question 3

Definition: Cell wall

Answer 3

Surrounds the cell membrane of plants, fungi, and some unicellular organisms; protects and supports cell.

Question 4

Definition:Cytoplasm

Answer 4

The gel-like substance within the cell membrane that contains and supports the structures of the cell.

Question 5

Definition:Vacuole

Answer 5

Storage spaces for extra food, waste, and other substances the cell can’t use right away; surrounded by a membrane.

Question 6

Definition:chloroplast

Answer 6

Only in green plants and some unicellular organisms; Allows photosynthesis to take place; Contains the pigment chlorophyll.

Question 7

Definition: Mitochondria

Answer 7

Only in animal and plant cells; Makes energy for the cell.

Question 8

Definition: Chlorophyll

Answer 8

Responsible for the absorption of light to provide energy for photosynthesis.(Green Pigment.)

Question 9

Definition: Unicellular

Answer 9

A single cell

Question 10

Definition: Multicellular

Answer 10

Many cells

Question 11

Definition: Wet Mount

Answer 11

A coverslip and water.

Question 12

Definition: Electron Microscope

Answer 12

A microscope that uses a beam of accelerated electrons as a source of illumination.

Question 13

Definition: Field of View

Answer 13

The area seem through the eyepiece of a microscope or other optical instrument.

Question 14

Definition: Magnification

Answer 14

Enlargement produced by a microscope or similar magnifying instrument.

Question 15

Definition: Eyepiece

Answer 15

The lens that works as a magnifying glass.

Question 16

Definition: Tube

Answer 16

Holds the eyepiece and the objective lens.

Question 17

Definition: Revolving Nose-Piece

Answer 17

Has two or more objective lens that click into place if you turn it.

Question 18

Definition:Objective Lens

Answer 18

The convex lens

Question 19

Definition:stage

Answer 19

Supports the microscope slide.

Question 20

Definition: Diaphragm

Answer 20

A device that controls the amount of light that enters.

Question 21

Definition: Condenser Lens

Answer 21

Directs light to the object being used.

Question 22

Definition: Light Source

Answer 22

The light

Question 23

Definition: Arm

Answer 23

Connects the base and the tube.

Question 24

Definition: Fine Adjustment-Knob

Answer 24

Used to bring medium and high power lens into focus.

Question 25

Definition: Coarse Adjustment Knob

Answer 25

Moves the tube or stage up or down to focus object.

Question 26

How do you calculate total magnification?

Answer 26

Ocular Lens x objective lens= Total Magnification

Question 27

How do you calculate Field of View?

Answer 27

Mag of M.P Ob.L
Bottom can change.

Question 28

The five characteristics of a living thing are…(5)

Answer 28

• Need Energy
• Grow
• Respond and Adapt to Environment
• Reproduce
• Produce waste

Question 29

Cell theory…(3)

Answer 29

• All living things are composed of one or more cells.
• Cells are the basic units of structure and function in all organisms.
• Living things come only from other living things.

Question 30

Three functions of a living cell are…(3)

Answer 30

• Obtaining materials and supplies of energy
• Making products
• Getting rid of waste.

Question 31

First two people to use the first microscopes were…(2)

Answer 31

Anton Van Leeuwenhoek

Robert Hooke

Question 32

List a few unicellular organisms.

Answer 32

Paramecium
Euglena
Stentor
Volvox
Diatoms
Chlamydomonas
Amoeba