Which of the following statements about dehydration synthesis is false?
Question : Which of the following statements about dehydration synthesis is false?
1. A person shakes up vinegar and oil dressing before pouring it on salads. What is the chemical reason for doing this?
a. Vinegar contains charged water molecules, while oil is neutral and repels water.
b. vinegar has basic ph and is neutralized when mixed with oil.
c. Vinegar and oil are oppositly charged, and opposites attract.
d. oil is composed of fatty acids, which are too large to dissolve in water.
2.Which of the following is a trace element in the human body?
a.zinc
b. nitrogen
c. carbon
3.cellulose differs from starch in that
a. glycon is formed by plants and cellulose by animals
b. the monomers of cellulose are held together by covalent bonds, whereas monomers of starch are held together by hydrogen bonds.
c. most animals cannot break down cellulose, whereas starch is easily digested.
d. starch is made of glucose monomers, whereas cellulose is made of fructose monomers.
4. Which of the following statements about dehydration synthesis is false?
a. one monomer loses hydrogen atom, and the other loses hydroxy group.
b. Animal digestive systems utilize this process to break down food.
c. electrons are shared between atoms of the joined monomers.
5. if you were to add olive oil to your food as part of a diet to lower your risk of atherosclerotic disease, you would use olive oil that:
a. is modified to be a solid at room temp
b. contains high levels of trans fat
c. has lard added to it
d. is liquid at room temp
6.A phospholid is composed of
a. one fatty acid molecule linked to three glycerol molecules
b. one glycerol molecule linked to three phosphate groups
c. one fatty acid molecule linked to one glycerol molecule and two phosphate groups.
d. one glycerol molecule linked to one phosphate group and two fatty acids.
please help!
6. d. one glycerol molecule linked to one phosphate group and two fatty acids.
neutral system diet
Best answer:
Answer by Donia
c.
Electrons are not shared, just the hydroxyl group and hydrogen atom are synthesized. Which is why it’s called dehydration (taking out a h2o molecule) synthesis.
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