3. . Which of the following is an important source of fiber in our diet?  a. chitin b. glycogen c. cellulose d. Phospholipids

4.  C. Cellulose is an important source of fiber in our diet.

5.  This is the body’s secondary source for energy.  a. lipids b. carbohydrates c proteins d. fried chicken

6.  Primary source is carbohydrates.

7. . Are all the macromolecules that we have studied organic? a. no b. yes c. not enough information to determine d. sometimes

9.  Compounds containing carbon are said to be______________.  alive b. organic c. natural d. fresh 

11.  There are two types of fatty acids, saturated and unsaturated, which is healthier?  Unsaturated b. saturated

13.  Today about 95% of all living matter consist of just four elements. Which of the following is not one of these elements?  Carbon b. Iron c. Nitrogen d. Hydrogen

15.  Saturated fats contain the maximum number of __________ possible.  Carbon atoms b. oxygen atoms c. fat molecules d. hydrogen atoms

17.  Which of the following is not a carbohydrate?  potato b. sugar c. egg d. grain

19.  Proteins are made of monomers called _________________.  a. Amino acids  b. nucleic acids  c. glycerol  d. biomolecules

21.  This is the main energy source for the body and the body burns them first.  a. Proteins  b. Lipids  c. Carbohydrates  d. fats

23. . Nucleic acids are polymers that are composed of monomers called  a. amino acids  b. fatty chains  c. disaccharide  d. nucleotides

25.  Fat, lard and butter are all forms of____________.  a. starches  b. carbohydrates  c. proteins  d. lipids 

27.  A nucleotide consist of a sugar, a nitrogen base an a _________.  a. phosphate group  b. fatty chains  c. nucleic acids  d.monosaccharide 

29.  Many people go on no carbohydrate diets to lose weight. Why?  A.The diet allows you to eat sugar  B. The body burns carbohydrates first, then fat if no carbs are available  C.Because eating fats is better for you  D. Because carbohydrates are hard to find

31.  There are two types of nucleic acids, DNA and RNA. They are named based on their_______________.   a. sugar type  b. size  c. nitrogen base  d. Nucleic acids

33.  Animals store glucose as _______  a. Starch  b. glycogen  c. cellulose  d. oil 

35.  Breads, pasta, fruits and some vegetables are all ______  a. Lipids  b. carbohydrates  c. proteins  d. nucleic acids

37. . Nucleic acids are responsible for storing and carrying out ____________. a. the breakdown of carbohydrates b. genetic information c. saturation d. cellular respiration

39.  As a fruit ages, it becomes sweeter. Why?  a. the fat breaks down and becomes sweet   b. sugar molecules grow longer as the fruit ages  c. the proteins fall apart and make sugar  d. the starch in the fruit breaks down to form sugar

41.  These are building blocks that make up polymers  a. monomers  b. lipids  c. carbon  d. hydrogen

43.  Name the enzymes that does not aid in digesting carbohydrates?  A. Amylase  B. Sucrase  C. Lactase  D. Lipase

45.  Which of the following is not a monomer?  a. starch  b. fructose  c. glucose  d. galactose

47.  The monomer for lipids is____________  a. glycerol  b. cellulose  c. fatty acids  d. both a&c

49.  These are found in every cell membrane  a. nucleic acids   b. phospholipids   c. glucose   d. galactose 

51.  Why is the small intestine so long?