Biochemistry | Senioritis

Mohamed Abbas
June 20, 2023
Biochemistry

Understanding DNA Replication: The Crucial Role of DNA Template in Synthesis of DNA.

Please choose the true statement:a. Replication uses a DNA template in the synthesis of DNA.b. Replication uses an DNA template in the synthesis of RNA.c. Transcription uses...

Mohamed Abbas
June 20, 2023
Biochemistry

Understanding Bacteria’s Energy Source: The Lac Operon Activation Process

If bacteria containing the lac operon were grown in low glucose and high lactose, which of the following would be true?a. The lac operon would be repressed...

Mohamed Abbas
June 20, 2023
Biochemistry

Understanding Gout: How a Defect in Purine Salvage Pathway Triggers the Accumulation of Uric Acid Crystals

Please choose the true statement:a. PKU (phenylketonuria) results from a defect in the synthesis of phenylalanine.b. Gout results from a defect in the salvage pathway of purines.c....

Mohamed Abbas
June 20, 2023
Biochemistry

Understanding Protein Digestion: Activation of Pepsinogen and Other Enzymes by Enteropeptidase and Trypsin in the Duodenum

How is pepsinogen activated?a. It is activated by trypsin through proteolytic cleavage.b. It is activated by enteropeptidase through proteolytic cleavage.c. It is activated by low pH which...

Mohamed Abbas
June 20, 2023
Biochemistry

Understanding the Role of Trypsinogen in Protein Digestion: Activation by Enteropeptidase

How is trypsinogen activated?a. It is activated by pepsin through proteolytic cleavage.b. It is activated by enteropeptidase through proteolytic cleavage.c. It is activated by low pH which...

Mohamed Abbas
June 20, 2023
Biochemistry

Debunking the Myth: The Facial Nerve (CN VII) Does Not Provide Sensory Fibers to Auricular Branch of Vagus Nerve (CN X)

The facial nerve may also contribute sensory Fbers to the auricular branch of the vagus nerve (CN X). True or False? nan False. The facial nerve (CN...

Mohamed Abbas
June 20, 2023
Biochemistry

G6PD: The Key Enzyme in the Oxidative Phase of PPP and NADPH Biosynthesis

The oxidative phase of the pentose phosphate pathway (PPP) catalyzes the conversion of glucose 6-phosphate (G6P) to ribulose 5-phosphate. The enzyme that catalyzes this reaction is:a. Glucose...

Mohamed Abbas
June 20, 2023
Biochemistry

Understanding the Role of Transketolase and Transaldolase in Sugar Metabolism

The nonoxidative phase of the pentose phosphate pathway (PPP) metabolizes ribulose 5-phosphate produced in the oxidative phase. Two enzymes that play an important role in this metabolism...