Science | Senioritis

Mohamed Abbas
August 27, 2023
Biochemistry

The Selectivity of Diphenylamine (DPA) in Detecting Deoxyribose Sugar in DNA

Why does Diphenylamine only react with the deoxyribose of purines? Diphenylamine (DPA) is a chemical compound that is commonly used in biochemical assays to detect the presence...

Mohamed Abbas
August 27, 2023
Biochemistry

Factors that Modify Plant Tissue Rigidity

Is lignification within plants a reversible process? If so which factors can reverse lignification? Lignification is the process by which lignin, a complex organic polymer, is deposited...

Mohamed Abbas
August 27, 2023
Biochemistry

Hyperchromic Shift in DNA

Why is there no wavelength change in the hyperchromic shift in DNA? The hyperchromic shift refers to the increase in absorption of ultraviolet (UV) light by DNA...

Mohamed Abbas
August 27, 2023
Biochemistry

Measuring pH of Bacteria

How to measure the pH of a bacterial species? To measure the pH of a bacterial species, you can follow the steps below: 1. Culturing the Bacteria:...

Mohamed Abbas
August 27, 2023
Biochemistry

Why Concentration Affects Membrane Diffusion

Why does the time to reach equilibrium across a membrane decrease with concentration? The time to reach equilibrium across a membrane decreases with concentration due to a...

Mohamed Abbas
August 27, 2023
Biochemistry

Methods for Substance Identification in Serum and Urine

Identifying substance in body fluid (serum, urine) Identifying substances in body fluids, such as serum and urine, is an important aspect of medical analysis and diagnosis. Various...

Mohamed Abbas
August 27, 2023
Biochemistry

The Importance of Glucose Transport

How can we explain that glucose at its concentration less than a Km for the transporter enters the peripheral circulation? Glucose, being a vital source of energy...

Mohamed Abbas
August 27, 2023
Biochemistry

Understanding the Two Types of DNA in Humans

How many different DNA molecule classes does a person have? As a human, you have two primary types of DNA molecule classes within your cells: nuclear DNA...