QUESTIONS QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) ALREADY GRADED A+
2025 NEW UPDATE
A dilution gradient is formed when carrying out what generalized planting strategy? -
CORRECT ANSWER: A quadrant streak
A drug company is trying to develop a new drug that will inhibit the release of newly
produced viral particles. Would the drug company target hemagglutinin proteins or
neuraminidase proteins? Why? - CORRECT ANSWER: The company would focus on
the Neuraminidase (N) proteins because they are directly involved in the budding and
release of new viral particles. Hemagglutinin proteins are involved in viral attachment
and entry into the host cell, therefore not making them an advisable target.
Cell walls are found in which of the following? (Select all that apply)
Algae
Bacteria
Plants
Mammalian Cells
Fungi - CORRECT ANSWER: Algae, Bacteria, Plants and Fungi
Describe the main underlining differences between the Salk and Sabin polio vaccine. -
CORRECT ANSWER: Salk vaccine contained an inactivated form of the virus and was
injected and Sabin vaccine contained a weakened form of the virus and was given
orally.
, How many ATP does the tricarbocylic acid (TCA) cycle produce per pyruvate? -
CORRECT ANSWER: 1 ATP
Identify the following cellular components by matching the number with the description. -
CORRECT ANSWER: 1. Nucleus
2. Lysosome
3. Plasma Membrane
4. Golgi apparatus
5. Rough Endoplasmic Reticulum
identify the following disease. - CORRECT ANSWER: Lyme disease,
Lyme disease. The trademark 'bulls-eye' rash is a clear indicator.
Identify what type of electron microscope was used to capture the following image and
explain your choice. - CORRECT ANSWER: The image was likely captured through a
TEM given the sub cellular parts are still visible at 20 nm.
In order to encourage growth of a slow growing microbe what might a researcher do
during a phase dilution streak? - CORRECT ANSWER: Opt to perform only a 3-phase
dilution streak.
In the absence of glucose, which of the following can be used as alternative energy
sources? (Select all that apply)
Nucleic Acids
Lactose