The released energy obtained by oxidation of glucose

The released energy obtained by oxidation of glucose is stored as A. a concentration gradient across a membrane B. ADP C. ATP D. NAD+

For every one molecule of sugar glucose which is oxidized _____ molecule of pyruvic acid are produced. A. 1 B. 2 C. 3 D. 4

The enzymes of glycolysis in a eukaryotic cell are located in the A. intermembrane space B. plasma membrane C. cytosol D. mitochondrial matrix

Which of the following is not true of glycolysis? A. ADP is phosphorylated to ATP via substrate level phosphorylation B. The pathway does not require oxygen C. The pathway oxidizes two moles of NADH to NAD+ for each mole of glucose that enters D. The pathway requires two moles of ATP to get started catabo-lizing each mole of glucose

During cellular respiration, most of the ATP made, is generated by A. oxidative phosphorylation B. photophosphorylation C. glycolysis D. substrate-level phosphorylation

�Citric acid cycle occurs in A. cytoplasm B. mitochondria C. endoplasmic reticulum D. golgi bodies

The end product of glycolysis is pyruvate, which enters the citric acid cycle after being converted to A. acetic acid B. acetyl-Co. A C. acetaldehyde D. none of these

How many ATPs are produced during citric acid cycle? A. 10 B. 13 C. 12 D. 8

Oxidative deamination is the conversion of an amino A. group from an amino acid to a keto acid B. acid to a carboxylic acid plus ammonia C. acid to a keto acid plus ammonia D. group from an amino acid to a carboxylic acid

An example of a transamination process is A. glutamate = hexanoic acid + NH 3 B. aspartate + hexanoic acid = glutamate + oxaloacetate C. aspartate + α ketoglutarate = glutamate + oxaloacetate D. glutamate = α-ketoglutarate + NH 3

The sugar in RNA is _____ , the sugar in DNA is _____ A. deoxyribose, ribose B. ribose, deoxyribose C. ribose, phosphate D. ribose, uracil

Nucleoside is a pyrimidine or purine base A. covalently bonded to a sugar B. ionically bonded to a sugar C. hydrogen bonded to a sugar D. none of the above

A nucleotide consists of A. a sugar, a base and a phosphate B. a sugar and a phosphate C. paired bases D. a sugar, a base and three phosphates

Which of the following is found on RNA but not DNA? A. Uracil B. Deoxyribose C. Phosphate D. Adenine

Main function of insulin hormone is to A. increase glycogen in liver B. decrease glycogen in liver C. increase blood sugar D. decrease blood sugar

Which of the following are reduced coenzymes? A. NADH and FADH 2 B. NAD+ and FAD C. ATP and GTP D. Coenzyme A and ubiquinone

Which of these is a symptom of vitamin A deficiency? A. Osteoporosis B. Impaired taste perception C. Blindness D. Impaired blood clotting

The disease Beriberi is due to a dietary deficiency in A. vitamin B 1 (thiamine) B. vitamin B 2 (riboflavin) C. vitamin B 6 (pyridoxine) D. vitamin B 12

�Vitamin-C is considered as a A. water soluble B. fat soluble C. fat and water soluble D. none of these

What type of chemical bond is the bond of protein primary structure? A. ester B. peptide C. disulphuric D. hydrogen E. glycoside

The enzyme of the urea cycle are localized within ________. a. the mitochondria b. the cytosol c. the chloroplast d. a and b e. all of the above

Which of the following is a polysaccharide? A. Amylose B. Glucose C. Fructose D. starch

When an amino acid has a total charge equal to zero, it is called a ……………………. .

The presence of chiral carbons produces stereoisomers with mirror images and they are called. __________.

�Draw the structural formula of the dipeptide that contains two amino acid residues. Label the peptide bond

�Draw the structural formula of the tripeptide that contains Three amino acid residues. Label the peptide bond

�Draw the Haworth projection (cyclic structure) for D – Fructose. Make sure to include all hydrogen and hydroxyl groups.

�Draw the Haworth projection (cyclic structure) for alpha-D-glucose. Make sure to include all hydrogen and hydroxyl groups.