the nature and variety of living organisms (topic 1)

Question 1

nucleus

Answer 1

• contains the genetic material, which codes for a particular protein
• enclosed in a nuclear membrane

Question 2

mitochondria

Answer 2

where aerobic respiration reactions occur, providing energy for the cell

Question 3

cytoplasm

Answer 3

• liquid substance in which chemical reactions occur
• contains enzymes (biological catalysts, i.e. protiens that speed up the rate of reaction)
  -organelles are found in it

Question 4

ribosomes

Answer 4

• where protien synthesis occurs
• found on a structure called the rough endoplasmic reticulum

Question 5

cell membrane

Answer 5

contains receptor molecules to identify and selectively control what enters and leaves the cell

Question 6

pathogens

Answer 6

disease causing organisms, can be bacteria, fungi, protoctists or viruses