I have one hour to complete this any help would be appreciated
Question 2 (Multiple Choice Worth 10 points)
Chemically, fats and oils are _________.
esters
ketones
alcohols
amines
Question 3 (Multiple Choice Worth 10 points)
Which of the following is an example of a colloid?
a solution of sodium chloride (i.e. salt water)
cheese
an air mixture containing oxygen, nitrogen, and carbon dioxide
all of these are colloids
Question 4 (Multiple Choice Worth 10 points)
Substances that are messengers in the body and are involved in temperature and blood pressure, pain perception, and mood swing, belong to a class of compounds known as _______________.
steroids
neurotransmitters
analgesics
tetracyclines
Question 5 (Multiple Choice Worth 10 points)
Which of the following is “chiral”
A compound with four different groups attached to a central carbon atom
A compound with five different group attached to a central carbon atom
A compound with three different group attached to a central carbon atom
A compound with two of same atoms attached to a central carbon atom
Question 6 (Multiple Choice Worth 10 points)
How is "homeopathy" different from true science and real medicine, and thus should be considered with caution?
Homeopathic treatment methods have not been subjected to the same rigorous scientific and FDA standards as most modern medical practices and treatments.
Homeopathy uses minute doses of natural substances that, in a healthy person, would produce symptoms of the same disease as opposed to basing results on a dose-response relationship.
Homeopathic "medications" often contain NONE of the purported active ingredient.
All of these are characteristics of homeopathy that separate this field from science and medicine.
Question 7 (Multiple Choice Worth 10 points)
_______ is the study of the chemistry of living organisms.
matter
geochemistry
biochemistry
political science
Question 8 (Multiple Choice Worth 10 points)
In the age group 25-34 years old, the leading cause of death is ___________.
HIV infection
Accidents
Heart disease
Cancer
Question 9 (Multiple Choice Worth 10 points)
Carbohydrates, proteins, and DNA are all _________.
Inorganic compounds
Polymers
Small molecules
Helical structured molecules
Question 10 (Multiple Choice Worth 10 points)
Enzymes combine with a substrate at active sites and thereby ___________
lower the energy of activation for a reaction
always form an unstable molecule between the enzyme and the substrate
all consumes half of the substrate
supply energy to a reaction
Question 11 (Multiple Choice Worth 10 points)
Which is not an organic functional group characteristic of carbohydrates ?
–CHO
–OH
–C-C-O-H
–NH2
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