cells as the basis of life

Question 1

what are living things

Answer 1

anything that can move, respire, sense, grow reproduce, maintain equilibrium, excrete waste and take up nutrirents (MRS GREEN)

Question 2

what is an organism

Answer 2

a living thing made up of 1 or more cells

Question 3

what does the cell theory state

Answer 3

1. All living things are made up of cells
2. Cells are the smallest and most basic units of life.
3. All cells come from pre-existing cells

Question 4

what are prokaryotes

Answer 4

• single celled organisms
• no nucleus
• circular loop of DNA
  eg. Bacteria and Archaea

Question 5

what are eukaryotes?

Answer 5

-single and multi-celled organisms
-Nucleus
-Linear strands of DNA
eg. Animals, plants, fungi and protists

Question 6

Plasma (cell) Membrane

Answer 6

the phospolipid bilayer and embedded proteins separate inside and outside enviroment

Question 7

Cytosol

Answer 7

The fluid that surrounds the organelles inside a cell

Question 8

Ribosomes

Answer 8

small RNA-protein structures that are the site of protein synthesis

Question 9

DNA

Answer 9

a double-stranded nucleic acid chain made up of nucleotides.

Carries the instructions for proteins which are required for cell and organism survival

Question 10

Membrane- bound organalle

Answer 10

Structure within cell that is enclosed by phospholipid bilayer

Question 11

Chromosome

Answer 11

Structure made of protein and nucleic acids that carries genetic information

Question 12

7 classifications of life

Answer 12

• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

Question 13

6 Kingdoms of Life

Answer 13

• Animalia
• Plantae
• Fungi
• Protista
• Bacteria
• Archea

Question 14

What 3 domains do all organisms fall into?

Answer 14

• Archaea
• Bacteria
• Eukarya

Question 15

Golgi Body

Answer 15

site of protein sorting, packaging and modification

Question 16

Lysosome

Answer 16

Contains digestive enzymes responsible for breaking down cell waste and toxins

Question 17

Mitochondrion

Answer 17

Site of aerobic cellular respiration

Have own DNA and ribosomes

Question 18

Chloroplast

Answer 18

Site of photosynthesis

Question 19

Vacuoles

Answer 19

Sac used for water and solute storage

Question 20

Cell Wall

Answer 20

Provides strength and structure to plant, bacterial and fungal cells

Question 21

Rough ER

Answer 21

coated with ribosomes. Synthesizes and modifies proteins (close to nucleus)

Question 22

Smooth ER

Answer 22

Not coated with ribosomes. The production of lipids in a cell

Question 23

Nucleus

Answer 23

Protect and confine the DNA of cell

Question 24

Nucleolus

Answer 24

Site of ribosome production.

Question 25

Vesicle

Answer 25

Transports substances into or out of a cell

Question 26

Cytoskeleton

Answer 26

A large network of protein filaments that start at the nucleus and reach out to plasma membrane