Which of the following is the chemical formula for a fat: 1) C6H12O6 2) CH3(CH2)COOH 3) CH(NH2)COOH
Answer Number 2
Oops!
Check
Okay!
Check
5
In order to pass through the cell membrane, chemicals must _______________.
Have no charges. Not be polar. Fat soluable.
Oops!
Check
Okay!
Check
5
What are two important hormones that can be made with this molecule?
Estrogen and Testosterone also known as the "sex hormones".
Oops!
Check
Okay!
Check
5
What kind of lipid molecue is this?
A triglyceride
Oops!
Check
Okay!
Check
5
Which of the following three foods is the best source of a saturated fatty acid known as stearic acid
The steak! Stearic acid is an animal fat used by muscles to store energy.
Oops!
Check
Okay!
Check
trap
No points!
Oops!
gift
Win 25 points!
Okay!
gift
Win 25 points!
Okay!
banana
Go to last place!
Oops!
thief
Give points!
5
10
15
20
25
gift
Win 25 points!
Okay!
gift
Win 10 points!
Okay!
lifesaver
Give 25 points!
Oops!
5
If 100,000 phospholipids are exposed to water, describe the shape and appearance the will take on.
They will form a hollow ball with the heads interacting with water on the outside and the inside of the hollow ball while tails "hide" from water.
Oops!
Check
Okay!
Check
5
How many types of fatty acids are in this triglyceride molecule?
1 saturated fat and 2 unsaturated fats
Oops!
Check
Okay!
Check
5
What kind of lipid molecule is this?
A phospholipid. This is what the cell membrane is primarily made up of.
Oops!
Check
Okay!
Check
5
What are the biological functions of triglycerides?
These large molecules are energy rich. They provide organisms with lots of calories to burn for fuel. They also make insulation like blubber.
Oops!
Check
Okay!
Check
5
Which of the following, the Chicken or the Avocado, is the best source of an unsaturated fatty acid known as archiodonic acid?
The Avocado! Unsaturated fats are usually found in fruits, vegetables, nuts, and grains.
Oops!
Check
Okay!
Check
5
Which picture (Top or Bottom) represents an unsaturated fatty acid? Be sure to explain why.
The picture on the bottom is the unsaturated fatty acid because it is bent due to a double bond between to carbon atoms.
Oops!
Check
Okay!
Check
5
What are Carrier Proteins?
Solid proteins with a certain shape that will allow them to engulf charged sugars, amino acids, ions (such as Na+ and Cl-) and haul them across the membrane.
Oops!
Check
Okay!
Check
5
True or False? Water will easily pass through this phospholipid bilayer.
False! Water is polar and will stick to the charged heads of phospholipids. Water will pass through protein tubes stuck in between the phospholipids.
