Levels of organisation

Question 1

What can cells either be

Answer 1

Prokaryotic or eukaryotic

Question 2

Nucleus organelle in typical animal cell

Answer 2

contains genetic material that controls the cell’s activity. Surrounded by cell membrane

Question 3

Cytoplasm organelle in typical animal cell

Answer 3

ger-like substance where most of the cell’s chemical reactions occur - contains enzymes

Question 4

Cell membrane organelle in typical animal cell

Answer 4

forms the outer surface of the cell and controls the substances that go in and out

Question 5

Mitochondria organelle in typical animal cell

Answer 5

most reactions for aerobic respiration take place

Question 6

Ribosome organelle in typical animal cell

Answer 6

small organelles where proteins are made in the cell

Question 7

Do plants usually have all the organelles that animal cells have?

Answer 7

Yes and a few extra

Question 8

Chloroplasts

Answer 8

photosynthesize - which makes food for the plant, happens here. Chloroplasts contain green substances called chlorophyll, which is used in photosynthesis.

Question 9

Cell wall

Answer 9

a rigid structure made of cellulose that surrounds the cell membrane. It supports the cell and strengthens it

Question 10

Vacuole

Answer 10

large organelle that contains cell sap (weak solution of sugars and salt). It helps support the cell.

Question 11

What are organelles?

Answer 11

tiny structures within cells.

Question 12

What is a tissue?

Answer 12

This is a group of similar cells that work together to carry out a specificc function

Question 13

Into what are tissues organized?

Answer 13

A group of different tissues that work together to perform a function are organised into an organ.

Question 14

What do organs make up?

Answer 14

Organ systems - each system has a different job

Question 15

How are different cell types different?

Answer 15

Cells are specialized to carry out a particular function - their structures can vary

Question 16

What is cell differentiation?

Answer 16

It is the process by which a cell changes to become specialised for its job

Question 17

What do cells develop as they develop?

Answer 17

Different organelles and turn into different types of cells.

Question 18

What are stem cells?

Answer 18

Undifferentiated cells - can divide to produce more undifferentiated cells. They can differentiate into different types of cells, depending on what instructions they’re given. -
They have not gone under differentiation

Question 19

Where are stem cells found?

Answer 19

In early human embryos
Adults also have stem cells but they’re only found in bone marrow. However, they cannot turn into any cell type - only certain types such as blood cells.