Chapter 11-12 Flashcards
What structure is this?
CH3CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2C||O-OH
A fatty acid
Which of the following fatty acid will have the lowest boiling point?
A) Saturated
B)Monounsaturated
C) Polyunsaturated
Answer:C
What are Omega - 3 Fatty Acids?
Must be consumed in the diet because it cannot be produced by the body. It also increases HDL levels, decreases blood pressure and lower risk of heart disease.
Reacting a fatty acid with NaOH... A) increases water solubility B) decreases water solubility C) shortens the carbon chain D) Makes molecule more hydrophobic
Answer:A
Arachidonic acid is what type of fatty acid? A) Saturated Fatty Acid B) Omega-3 Fatty Acid C) Monounsaturated Fatty Acid D)Omega-6 Fatty Acid
Answer:D
What is the difference between a solid fat and liquid oil?
Liquid oils come from plant oils and solid fats come from animals
What are Waxes?
They react with a carboxylic acid to form an ester. They also serve a protection function and store energy in microorganisms
The effect of the hydrogenation of oils is to
A) Remove double bonds
B) Cause the the oils to remain as liquids
C) make the oils boil at a lower temperature
D) make the oils oxidize
Answer:A
Summarize Health Link Omega-3 Fatty Acids
In omega 3 fatty acids studies have shown taking omega 3 fatty acids brings health benefits. The health benefits are HDL,LDL,VDL.
Summarize health link trans fats
Trans fats are when vegetable oils are partially hydrated. Many schools and restaurants have banned trans fats because there is so much fat.
\_\_is the eicosanoid involved in muscle contractions A) prostaglandin B) Leukotriene C) Progesterone D) Thromboxane
Answer: B
\_\_\_\_is the eicosanoid involved in blood clotting. A) prostaglandin B) leukotriene C) progesterone D) thromboxane
Answer:D
The fluid mosaic model proposes that
A)membranes can move like fluid
B) proteins are embedded to the cell membrane
C) materials that are fluid move across a membrane
D) the composition of membranes includes a mosaic fluid
Answer:B
Some molecules and ions are transported across a membrane via\_\_\_, which requires energy A) osmosis B) diffusion C) facilitated diffusion D) active transport
Answer:D
Triglycerides composed of glycerin and mostly polyunsaturated fatty acid residues are likely to be\_\_\_at room temperature. A) solid fats B) liquid oils C) gases D) waxes
Answer:B