CELL THEORY

Question 1

Who is Robert Hooke?

Answer 1

An English scientist, who, using a microscope, was the first to visualise a microorganism

Question 2

What are all living things made up of?

Answer 2

Cells

Question 3

What is the cells role?

Answer 3

Absorb, transfer + process nutrients

Facilitate growth

Allow active transport

Produce energy

Question 4

What are cell characteristics?

Answer 4

A surrounding membrane

Protoplasm

Organelles - structures for cell function

Nucleus - control centre w/DNA info

Question 5

Basics of how to prepare a slide

Answer 5

Obtain sample (such as swab) + smear on slide

Add a chemical stain (such as iodine)

Lower a coverslip slide onto the cells, ensuring to be gentle to prevent air bubbles

Question 6

Why do Animal Cells have more mitocondria?

Answer 6

Because they require more energy (movement)

Higher metabolic rate

Question 7

Why do Plant cells have less mitocondria?

Answer 7

Because they require less energy (little to no movement)

Lower metabolic rate

Contains chloroplasts to synthesise own food

Question 8

List all the organelles only found in Plant Cells

Answer 8

Vacuole
Chloroplasts
Cell wall

Question 9

List all the organelles found in both animal and plant cells

Answer 9

Nucleus
Nucleolus
Nuclear Envelope
Cell Wall
Cell Membrane
Gorgi Apperatus
Smooth ER
Rough ER
Mitocondrion
Ribosome
Chloroplast
Cytoplasm

Question 10

Job of the nucleolus?

Answer 10

Translates the DNA in the Nucleus into RNA the ribosome can use to create proteins.