Cells/Osmosis
What are ribosomes?
These are Very small organelles made of protein and RNA. Function is to make proteins
List the 4 major biomolecules
Carbohydrates
Proteins
Lipids
Nucleic Acids
What is a hypothesis?
Educated guess
How do you test for lipids?
Brown paper
What is a tissue culture?
These are Cells grown on a sterile nutrient medium outside an organism
What are proteins made up of?
Amino Acids
Name 2 limitations of the scientific method.
Human Error
Faulty Equipment
What material did we use to demonstrate osmosis?
Visking Tubing
What is active transport?
This is The movement of a substance(usually ions) from its area of lower concentration to its area of higher concentration. (Opposite of diffusion)
Metabolic Role of Lipids
Stored and released as energy
Where are scientific studies published?
Scientific Journal
What is the test for proteins?
Biuret Test
What is a hypotonic solution?
This Has a low concentration of solutes and thus a higher concentration of water than another solution.
Name 3 trace elements found in food
Iron
Zinc
Copper
What is a theory?
Hypothesis tested and agreed with many times
What dye is used for viewing animal cells?
Methylene Blue
What is Turgor pressure?
This is the pressure of the cytoplasm and vacuole against the cell wall
Structural Role of Carbohydrates
Cellulose in Cell Walls
What is a control?
A comparison
Why do you place a cover slip down at a 45 degree angle?
Prevent air bubbles