Science | Senioritis

Mohamed Abbas
June 21, 2023
Virology

Lysogenic Infection: How Viruses Remain Dormant in Host Cells and Trigger Disease.

Lysogenic Infection viral infection in which viral genetic material integrates into host cell DNA and remains DORMANT until triggered to enter the lytic cycle. A lysogenic infection...

Mohamed Abbas
June 21, 2023
Virology

Vaccines: Types, Importance, and Safety

Vaccines Exposure to a weakened or dead viruses to help our bodies build immunity toward diseases. PREVENTS viral infections. 1. What is a vaccine? A vaccine is...

Mohamed Abbas
June 21, 2023
Chemistry

Proline and Glycine: Impact of Amino Acid Conformation on Protein Structure and Stability

In a protein, the most conformationally restricted amino acid is ______; the least conformationally restricted is ______. Pro, Gly The most conformationally restricted amino acid in a...

Mohamed Abbas
June 21, 2023
Chemistry

Purifying Protein 1: Achieving Protein Separation via Ion Exchange Chromatography.

Of the fractionation methods discussed in lectures, what one fractionation procedure could be used to purify protein 1 from a mixture of three proteins whose amino acid...

Mohamed Abbas
June 21, 2023
Chemistry

Protein Separation through Isoelectric Focusing Experiment based on Charge Differences: A Case Study on Hen Lysozyme and Ovalbumin

The pI of hen lysozyme is 11.0; the pI of hen ovalbumin is 4.6. An isoelectric focussing experiment is conducted. Which of these two proteins will migrate...

Mohamed Abbas
June 21, 2023
Chemistry

Enhancing Protein Resolution in SDS-PAGE Gels through Increased Acrylamide Percentage

By increasing the percentage of acrylamide in an SDS-PAGE gel, one will observe what following change in the molecular weights of the observed proteins? increased range of...

Mohamed Abbas
June 21, 2023
Chemistry

Analyzing SARS-CoV-2 Spike Protein Structural Properties: G76V Mutation More Likely to Occur Than V180G

There are two possible mutations in spike protein; G76V and V180G. Which of these two mutations is less likely to occur, from protein structural considerations. G76V To...

Mohamed Abbas
June 21, 2023
Chemistry

Exploring the Titratable Functional Groups in Peptide MDFGRKCDE: A Science Analysis

How many functional groups does the peptide MDFGRKCDE have that can be titrated? 8 The peptide MDFGRKCDE has a total of three functional groups that can be...