This organelle controls cell activity
Nucleus
Carbohydrates, proteins and lipids are examples of these
Biomolecules
Where does digestion begin
Mouth
A factor that must be kept the same in an experiment
Constant variable
Type of cell division for growth
Mitosis
Organelle where respiration occurs
Mitochondrion
What biomolecules are enzymes made from
Proteins
Tube that carries food from mouth to stomach
Oesophagus
The variabe you change
Independent variable
Stage where chromones line up
Metaphase
What organelle has a double membrane
Nucleus
Name the bond holding amino acids together
Peptide bond
Organ that produces bile
Liver
What is a hypothesis
An educated guess
Name the 4 stages of mitosis
Prophase, Metaphase, Anaphase, Telophase
Organelle that modifies and packages proteins
Golgi Apparatus
What is the monomer of proteins
Amino acids
What is the name of the muscular movement in which food moves through the oesophagus
Peristalsis
Why is a control necessary in an investigation
What is cancer?
Uncontrollable dividing of cells
Difference between rough and smooth ER
what carbohydrate is found in the cell wall of plants
Cellulose
What purpose does villi have in the digestive system
To increase surface area for nutrient absorption
Distinguish between accuracy and reliability
Accuracy- how close you are to the true value
Reliability - consistency of results - getting same results a number of time
Why is mitosis described as a continuous process
Each stage flows into the next with no breaks