Here are just ramdom question on chem! Please help! and please don't mind the numbers to the questions!?

Question

11. The carbohydrate found in bread which serves as a source of glucose is called_________ and is a member of the family of sugars called ________because it contains many monosaccharide molecules.

12.There are ____ different amino acids which are the monomer molecules used to construct the polymer molecules called_______ from which all muscle tissue is made.

13.There are approximately __ different proteins in the human body.

14.Name four classes of lipids.

15.DNA and RNA are the two kinds of biomolecules known as ____.

16.The type of nuclear reaction in which several smaller nuclei are made from a larger nucleus is called ______.

17.An beta particle is actually an _______.

18.The time required for one-half of the atoms of a radioactive nuclei sample to decay is called the _____ of the nuclei.

19.The type of nuclear reaction shown below is __________`_____and the nuclear symbol of the missing material is __________:

200Hg80 → ? + 196Pt78

Answer 1

12.  20amino acids,protein

15. nucleic acids

16. fission

17. electron

18. halflife  

19.missing material is alpha particle or 2He4

I know only this much.

hope this will help