Review+Unit+1

** By: Sophie Yung **
 * Biochemistry Review Questions **


 * Multiple Choice**


 * 1) Which one is not a functional group?
 * 2) Aldehyde
 * 3) Phosphide
 * 4) Hydroxyl
 * 5) Ketone


 * 1) Why is fibre good for you?
 * 2) It gives you energy
 * 3) It scraps the interior of your digestive system
 * 4) It increases the digestion time
 * 5) It is easy to digest
 * 6) All of the above


 * 1) What is the best type of fat to eat?
 * 2) Saturated
 * 3) Polyunsaturated
 * 4) Monounsaturated
 * 5) Unsaturated


 * 1) What are the correct stages of globular protein structures?
 * 2) Sequencing, Forms helices and sheets, Bending, Clustering
 * 3) Forms helices and sheets, Sequencing, Bending, Clustering
 * 4) Clustering, Bending, Forms helices and sheets, Sequencing
 * 5) Sequencing, Bending, Forms helices and sheets, Clustering


 * 1) Which carbons bond to phosphates in a nucleic acid?
 * 2) 1 & 2
 * 3) 1 & 5
 * 4) 3 & 5
 * 5) 2 & 4


 * Short Answers**


 * 1) What is it called when something is both hydrophobic as well as hydrophilic?


 * 1) What are the four nitrogenous bases of DNA?

Here is a short review from Biochemistry. Hope you guys enjoy it :P - Sharara

Multiple Choice Questions:-

1. Which one of the following is a short term energy source for animals and humans? a. Fats/Lipids b. Proteins c. Carbohydrates d. Nuclein acids e. All of the above

2. Polysaccharides are composed of monosaccharide subunits held together by ? a. Ester linkages b. Glycosidic linkages c. Hydrogen bonds d. Amide linkages e. None of the above

3. Which of the following lipids is the main component of cell membranes? a. Phospholipids b. Fats c. Steroids d. Waxes e. All of the above

4. Which two functional groups do all amino acids have in common? a. Carboxyl and Hydroxyl groups b. Carboxyl and Carbonyl groups c. Hydroxyl and amino groups d. Carboxyl and amino groups e. None of the above

5. Which of the following is a nucleotide derivative? a. DNA b. RNA c. ATP d. Glucose e. All of the above

Short Answer Questions:-

1. Why are saturated fats bad for health?

2. What is the difference between anabolic and catabolic reactions?

Answers to the multiple choice questions: 1.c), 2.b), 3.a), 4.d), 5.c). For short answer questions, check the definitions of the terms in the book.

**Macromolecules Review Questions (Rida)**
 * Multiple Choice**
 * 1) **Carbohydrates contain carbon, hydrogen and oxygen in the following ratio**
 * 1:3:1
 * 2:1:1
 * 1:2:1
 * 1) None of the above


 * 1) **Which type of fat is amphiphatic?**
 * 2) fats
 * 3) phospholipids
 * 4) sterols
 * 5) waxes


 * 1) **Amino acids are linked into chains by**
 * 2) glycosidic linkage
 * 3) a and c
 * 4) peptide bonds
 * 5) none of the above


 * 1) **The Stage of Structure pf proteins when side chain interactions occur is**
 * 2) primary
 * 3) secondary
 * 4) tertiary
 * 5) quaternary


 * 1) **DNA is not made up of the following nitrogenous base**
 * 2) adenine
 * 3) cytosine
 * 4) uracil
 * 5) thymine


 * Short Answers**


 * 1) List three functions of carbohydrates.


 * 1) List and briefly describe the three types of fats.