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The starting materials necessary to synthesize sphingosine are: correct answers palmitoyl CoA and serine Which of the following is(are) major component(s) of low-density lipoproteins? correct answers A) phospholipid B) apoprotein B-100 C) cholesteryl ester D) All of the above <<<<<<< E) None of the above In a ganglioside, what links the oligosaccharide to the hydroxyl of the ceramide? correct answers Glucose The LDL receptors on the plasma membrane are localized...

Typical Van der Waals energies are about: correct answers 2-4 kJ/mol A possible drug to treat COVID-19 has been discovered and is known to be a weak acid. At the pH of blood (7.4) the concentrations of acid and conjugate base are 0.075 and 0.025 respectively. What is its pKa? correct answers 3.00 What is the [A-]/[HA] ratio whent he weak acid is in solution alone pH unit above its pKa? correct answers 10:1 What are the primary chemical components present in a phosphate buffer at pH 7.4?...

Glucose correct answers _____ is the principle carbohydrate in living systems. Mitochondria correct answers Fatty acid synthesis primarily takes place in the cellular location _____. Pyruvate correct answers The product of aerobic glycolysis is _____. Mitochondria correct answers _____ is where oxidative phosphorylation occurs. NAD+ correct answers The substance _____ must be regenerated for glycolysis to proceed. ATP correct answers This molecule is an inhibitor of phosphofructok...

enzyme concentration correct answers the more enzyme present, the faster substrate reacts pH correct answers enzymes have optimum pHs above and below which the rate decreases Pepsin is correct answers a proteolytic enzyme found in the Stomach Chymotrypsin is a correct answers proteolytic enzyme found in the intestine Temperature correct answers enzymes have an optimum temperature, above which they begin to denature An enzyme, tyrosinase, is key in the production of melanin (the mo...

Carbohydrate correct answers Polyhydroxy aldehyde, ketone, or a compound that produces such substances upon hydrolysis Chiral Centre correct answers -C atom attached to 4 different groups (tetrahedral geometry) -A molecule with a chiral centre is said to be "chiral Enantiomers correct answers -Stereoisomers that are not superimposable mirror images of each other -The configurations at all chiral centres are exactly opposite -All chemical and physical properties are the same -Differ in...

Histones are _________ Charged and are rich in _________ Amino Acids - Positively - *Lysine* and *Arginine* "*LA*" DNA Methylation occurs on which Nucleotides? *Cytosine* and *Adenine* Cytosine is _________ and turned to Uracil *Deaminated* *Cytosine → Uracil* Add ________ to Uracil to form _________ Methyl Group Thymine *Uracil → Thymine*

What are the four Organic Molecules? Carbohydrates Lipids Proteins Nucleic Acids A building block of polymer? monomer What is the monomer for carbohydrates? monosaccharides What are the building blocks for lipids? fatty acids and glycerol What is the monomer of proteins? amino acid

Biochemistry 2022- 23 Exam Questions and answers, Graded A+/ VERIFIED/ What is the charge of a proton? - -+1 or positive charge What is the charge of a neutron? - -0 or neutral What is the charge of an electron? - --1 or negative Why is the nucleus the densest part of the atom - -because it contains most of the mass in a small space which 2 subatomic particles must be present in equal number for an atom to be neutral - -protons and electrons + - where do you find protons and neutrons...

BIOCHEMISTRY 2022- 23 EXAM REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE/ What is the charge of a proton? +1 or positive charge What is the charge of a neutron? 0 or neutral What is the charge of an electron? -1 or negative Why is the nucleus the densest part of the atom because it contains most of the mass in a small space which 2 subatomic particles must be present in equal number for an atom to be neutral protons and electrons + - where do you find protons and neutrons nucleus wh...

Depressions and emotional insanities result from the deficit of noradrenalin, serotonin and other biogenic amines in the brain. Their concentration in the synapses can be increased by means of the antidepressants that inhibit the following enzyme: - ansmonoamine oxidase A patient with high rate of obesity was advised to use carnitine as a food additive in order to enhance "fat burning". What is the role of carnitine in the process of fat oxidation? - ansTransport of FFA (free fatty acids) fro...