Lab Safety
All chemicals in the lab are to be considered dangerous.
True or False
True
What is a control group?
A standard for comparison. A group that does not have the IV affecting it. Considered to be "normal" conditions.
Milk is carbohydrates, protein, lipid, or nucleic acid.
Protein
What came after cell?
Tissue
The passage of water across a selectively permeable membrane is known as
Osmosis
You are heating a piece of glass and now want to pick it up. You should
Use tongs
A study was done to find if different tire treads affect the braking distance of a car.
Define Constant
The car
A coating on the feathers of waterfowl, such as ducks, keeps them from getting wet. What molecule would this water-repelling coating be made of?
Lipid
Blood is made up of different types of what?
Cell
a solution that has a high concentration of solute outside the cell than inside.
Hypertonic
If a fire starts in the lab, what should you NOT do to the fire if you don't know what type it is?
Try to put out the fire with water, regardless of the source
Bob studies for a test and Jackie does not study. After the test, they compare their scores.
Define independent variable
Independent: Who studies/how long they studied for
Animals store sugar in polysaccharides called what?
Animals store sugar in polysaccharides called glycogen
The brain and spinal cord work together to do a specific job. This is an example of?
Organ System
An animal cell placed in a hypotonic solution will
Burst/ take water in
Whenever chemicals, heat, or glassware are used, students must wear what?
Laboratory goggles ( eye protection )
There will be no exceptions to this rule!
What is the INDEPENDENT variable (cause) in this experiment?
"Will fish (get in a group) more if a predator is present?"
Whether there is a predator or not.
Amino acids are connected in a chain by what type of bond?
Covalent Bond
Arteries are blood vessels that transport oxygen-rich blood and nutrients throughout the body. What level of organization is an artery?
Organ
You go on a deep-sea fishing trip with your best buddy and your boat is swamped in a storm and sinks halfway between California and Hawaii. Now you are in the middle of the ocean with no fresh water. Your buddy is so thirsty that he decides to go ahead and drink ocean water.
What is the solution
Hypertonic
When you finish working with chemicals, biological specimens, and other lab substances, always use what to wash with your hands.
(2 things)
Wash your hands thoroughly with soap and water
Changing what variable make the result in a test not being fair?
Changing the control variables
If Ms Cook wanted to grow her hair without fear of it breaking or becoming damaged, what macromolecule should she increase in her diet?
Protein
What system are the cardiac muscle, cardiac tissue, and the heart grouped in?
Circulatory System
You are rescued from your disastrous fishing trip by a billionaire on a luxury yacht and you are invited to take a dip in their swimming pool (or a long luxurious bath). While looking at your fingers, you notice that they are all wrinkled and prune-y.
What is the solution?
Hypotonic