Biochemistry Answers

Derive the energy generated in terms of ATP molecules from the complete oxidation of a molecule of saturated fatty acid composed of fourteen (14) carbon atoms into carbon dioxide and water.

Note: Start with Beta -Oxidation of the fatty acid then proceed to KREBS’s Cycle with the ETS

Derive the energy generated in terms of ATP molecules from the complete oxidation of a molecule of saturated fatty acid composed of fourteen (14) carbon atoms into carbon dioxide and water.

Note: Start with Beta -Oxidation of the fatty acid then proceed to KREBS’s Cycle with the ETS

Answer the ff. questions:

1. What is the fate of proteases after their role in protein digestion?

2. Why is arginine classified as an essential amino acid in humans when it is synthesized in the urea cycle?

3. How do higher organisms obtain ammonia?

1.Name the type of bond that links

a.A nucleotide to another nucleotide in a DNA molecule

b. A nitrogenous base to a ribose sugar in an RNA molecule

2.Draw the structures of the amino acids tyrosine and aspartic acid

3.Briefly explain how enzymwe descrease the activation energy of biocchemical reactions

4.A nucleic acid has 13% of adenine. Determine the composition of guanine , cytosine and thymine

5.What are the forces that stabilizedouble stranded DNA?

6.Provide the structures and functions of three biochemically important disaccharides

7.What arethe structural and functional differences between starch and cellulose

1. What are the one letter and three lettter abbriviation for the following amino acids

a.glutamine

b.lyptophan

c.lysine

2.What are forces that stabilize the double stranded DNA?

3.Give the structural differences between RNA and DNA

1.Briefly discuss five importance of biochemistry in agricultural science

2.using the following schudles below indicate whether the the listed structural components are present or absent in prokaryotes or eukaryotes

golgi apparatus

plasma membrane

cytoskeleton

mitochondrion

nucleolus

chloroplast

cell wall

nuceus

ribosome

smooth endoplasmic reticulum

3.state the biomolecular composition and function of the following cell components:

plasma membrane , rough endoplasmic reticulum, cell wall,mitochondria,chloroplast.

4.state why oils form plant sources remain liquid at 25 % c, but that of animal source is solid at the same temperature

5.Name two major lipid constituents of cell membranes

6.give two biological significance of steriods

7.calculate the salt to ratio [A-]/[HA] of a solution of an amino acid at pH 2 and pka of 8.95

the activation energy barrier is surmounted by?

Structure of lipids

Describe what might be the result if water could freeze at a higher temperature. How might

this effect chemical and biological systems that contain water?

Why is arginine classified as an essential amino acid in humans when it is synthesized in the urea cycle?