Cell Structure & Diversion

Question 1

What is a Cell?

Answer 1

The basic unit of structure and function in an organism.

Question 2

What are living things made of?

Answer 2

All living things are made of cells.

Question 3

What is an Ultrastructure?

Answer 3

The fine detail of a cell.

Question 4

What is the structure of an Animal Cell?

Answer 4

• Nucleus
• Cytoplasm
• Cell Membrane

Question 5

What is the structure of a Plant Cell?

Answer 5

• Nucleus
• Cytoplasm
• Cell Membrane
• Chloroplast
• Vacuole
• Cell Wall

Question 6

What is an Organelle?

Answer 6

A cell component that performs specific functions of a cell.

Question 7

What is Cytoplasm?

Answer 7

• A clear jelly-like fluid that fills the cell.

- Contains all organelles within the cell.

Question 8

What are Cell Membranes made of?

Answer 8

Phospholipids and Protein

Question 9

What is the function of a Cell Membrane?

Answer 9

• Gives support to the cell
• Semi-permeable: Allows some molecules freely in and out
• Retains the cell contents

Question 10

What is the function of the Nucleus?

Answer 10

It controls the activities of the cell

Question 11

What is found in the Nucleus?

Answer 11

• Strands of D.N.A

- Chromosomes

Question 12

What are Ribosomes made of?

Answer 12

• R.N.A

- Protein

Question 13

What is the function of Ribosomes?

Answer 13

To make protein

Question 14

What is the function of Vacuoles?

Answer 14

• Provides structural support

- Storage of food, water, and chemicals

Question 15

What is the function of the Mitochondria?

Answer 15

Supply energy to the cell in a process known as respiration.

Question 16

What are the parts of the Mitochondria?

Answer 16

• Outer Membrane
• Inner Membrane
• Matrix
• Cristae

Question 17

What is the function of Chloroplasts?

Answer 17

Photosynthesis

Question 18

What is the function of the Cell Wall?

Answer 18

To support and strengthen the cell

Question 19

What is the Cell Wall?

Answer 19

• Rigid
• Gives defined Shape
• Fully Permeable: Allows everything to pass-through

Question 20

What is the Cell Wall composed of?

Answer 20

Cellulose

Question 21

What is a Eukaryote?

Answer 21

Organisms whose cells contain a membrane nucleus and membrane-bound organelles.

Question 22

Where do you find Eukaryotes?

Answer 22

• Plants

- Humans

Question 23

What is a Prokaryote?

Answer 23

Organisms whose cells lack a membrane nucleus and have no membrane-bound organelles.

Question 24

Where do you find Prokaryotes?

Answer 24

Bacteria

Question 25

What is Tissue?

Answer 25

A group of similar cells, modified to carry out the same function.

Question 26

What is Connective Tissue?

Answer 26

- Cells dispersed in the matrix | - It surrounds and supports body parts

Question 27

What is an example of Connective Tissue?

Answer 27

Blood has red cells, white cells and platelets carried in Plasma.

Question 28

What is Nervous Tissue?

Answer 28

It carries electrical impulses

Question 29

What is an example of Nervous Tissue?

Answer 29

Neurons

Question 30

What is an Organ?

Answer 30

A number of different tissues working together to carry out one or more functions.

Question 31

Give an example of Plant Organs.

Answer 31

- Root - Leaf - Stem

Question 32

Give an example of Animal Organs.

Answer 32

Brain, Liver, Heart

Question 33

What is an Organ System?

Answer 33

A number of organs working together to carry out one or more functions.

Question 34

What is an example of an Organ System?

Answer 34

- Digestive - Circulatory - Nervous - Muscular - Skeletal - Endocrine - Excretory - Reproductive - Immune System

Question 35

What is Tissue Culture?

Answer 35

The growth of cells in a sterile nutrient medium outside the body

Question 36

What is an example of Tissue Culture?

Answer 36

- Skin Grafts | - Cancer Research

Question 37

What is the function of the Cristae in the Mitoc

Answer 37

These folds allow for increased surface area in which chemical reactions can take place.

Question 38

What are 3 differences between a Plant Cell and an Animal Cell?

Answer 38

Plant Cell: - Has a Cell Wall - Has Chloroplasts - Has Chlorophyll - Has Large Vacuoles Animal Cell: - Has no Cell Wall - Has no Chloroplasts - Has no Chlorophyll - Small/ No Vacuoles

Question 39

What stain is used when examining a Plant Cell under the microscope?

Answer 39

Iodine

Question 40

What stain is used when examining an Animal Cell under the microscope?

Answer 40

Methylene blue

Question 41

Why is a coverslip used?

Answer 41

- Protects the microscope | - Prevents the slide from drying out when it's being examined.

Question 42

How is the coverslip applied and why is it applied this way?

Answer 42

At an angle, to prevent air bubbles

Question 43

What is the function of the Eyepiece Lens?

Answer 43

Look through

Question 44

What is the function of the Coarse Focus Wheel?

Answer 44

Moves stage up & down

Question 45

What is the function of the Fine Focus Wheel?

Answer 45

Focus's Image.

Question 46

What is the function of the Objective Lens?

Answer 46

Magnifies Image

Question 47

What is the function of the Stage?

Answer 47

Holds slide.

Question 48

What is the function of the Diaphragm?

Answer 48

Controls the amount of light.

Question 49

What is the function of the Light Source?

Answer 49

It's the source of light.