Help with biology homework?

[egan]

A. What is the current understanding of living
organisms in modern world biology?
1. All living and non-living organisms are
made of the same elements but special elements are found only in living things.
2. Living organisms contain a vital force and
this cannot be investigated.
3. All living things contain a soul.
4. Living things are subjected to the same
physical and chemical laws as nonliving
things.
5. Complex organic compounds can only be
made by living organisms

B. Consider the molecule
R -C=O
-O=H
What is its functional group?
1. methyl
2. dehydroxyl
3. carboxyl
4. acetyl
5. carbonyl

C. Organic chemistry is the study of
1. chemical forces in structural matter.
2. the properties of all elements.
3. carbon based compounds.
4. water and its properties to support life.
5. physical forces in structural matter.


D. A carbonyl group present at the end of a
molecule will make the molecule
1. an amine.
2. an acid.
3. an aldehyde.
4. a base.
5. a ketone

please help!! thanks!

[tai38]

Hey! You must be in Mr.Z's class.
A=4
B=3
C=3
D=3