Biological Interview Preparation Guide
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Biological based Frequently Asked Questions in various Biological job interviews by interviewer. These professional questions are here to ensures that you offer a perfect answers posed to you. So get preparation for your new job hunting

91 Biological Questions and Answers:

1 :: Tell me how many amino acid makes one protein?

To make one protein you require 21 amino acid.

2 :: Tell me what is micro-tubules?

A filamentous intracellular structure that are responsible for various kinds’ protein and vesicles movement in all eukaryotic cells are known as micro-tubules. They are the main structure of the cytoskeleton in cells.

4 :: Explain the science behind the hair becomes white or grey with ageing?

Melanin pigment is responsible for the hair colour, and research as shown that hydrogen peroxide interferes with its functioning. With aging catalase enzyme production diminishes which regulates the breakdown of hydrogen peroxide. When there is an excess accumulation of hydrogen peroxide in tissues it will cause de-coloration or whitening of hairs.

6 :: List out the factors that affects the enzyme activity?

The factors that affect the enzyme activity are

☛ Temperature
☛ Substrate
☛ Concentration
☛ PH

8 :: Explain what are the different types of Cytokines?

Different type of Cytokines are

☛ Monokines
☛ Lymphokines
☛ Interleukins

9 :: Tell me what is Vertigo? What is the treatment of Vertigo?

Vertigo is a condition where the patient will have the illusion of motion. It is differentiated in two types; one is subjective vertigo, and another is objective vertigo. There are many reasons, patient that can cause this condition like decreased blood flow of blood to the base of the brain, migraine, brain tumor, cold viruses, head trauma and neck injury, etc. Patient can be treated by giving them medication like diazepam or meclizine.

10 :: Tell me what a stroke is and what are the types of stroke?

A stroke is referred for brain attack that occurs when there is a blockage or interruption of the blood supply to part of the brain.

There are two types of strokes
• Ischemic stroke: This type of stroke occurs due to an obstruction within a blood vessel supplying blood to the brain
• Haemorrhagic stroke: This type of stroke happens when a weakened blood vessel ruptures and spills blood into brain tissue.