Biological Sciences Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Biological Sciences Interview Questions

Questions Answers Views Company eMail

How to determine if bacteria is sensitive to an antibiotic?

2205

What are Beta-lactams?

2 5260

What diseses does the Epstein Barr Virus cause?

1 4216

what is a cytopathic effect?

2 5112

Compare and contrast feedback inhibition and enzyme repression?

9875

A base deletion occurs in the regulator gene of the LAC operon. Describe how the operation of the LAC operon might be affected?

2075

A single base exchange mutation occurs in the promoter of the TRP operon. How the operation of the HIS operon might be affected in two ways?

2366

How the positive and negative DNA markers are used in genetic engineering?

2321

Differentiate between biotechnology and bioengineering?

2496

What are the 8 steps that are involved in genetic engineering?

3970

You want to select a bacterium that has obtained a genetic marker conferring resistance to tetracycline. How would you accomplish this?

1 3060

How restriction enzymes,DNA probes are used in genetic engineering?

1 3562

What is the difference betwee bacteriostatic and bacteriocidal?

2 5249

What evidence can you cite that suggests that rheumatic fever is an autoimmune disease?

2055

Describe the stages and symptoms of Syphilis?

1 4668

Un-Answered Questions { Biological Sciences }

What are the endocrine functions of the placenta?

why northern arizona university

1449

What is the structure of chlorophyll and the energy transfer mechanism?

2068

What are some factors that can lead to protein denaturizing?

1121

what are the pKa values for polyamines?

2168

How to detect apoptosis?

2001

A 3.00 * 10-6M solution in a 1.0 cm cuvette read 16 % T at 620nm. What were the absorbance and the molar absorbancy index of the solution?

2210

Name the three types of germ layers that form tissues and organs in animals?

Suppose you used the NCBI Blast server to look for a match to a fruit-fly gene. Suppose further that the best alignment contained this section of an alignment: Hit from database: XXXXXXXXXXXXXXNFSTSQ User sequence: SLEAEAAPASISPSNFSSSQ What do the Xs signify?

2041

How can the abundance and diversity of living beings in the tropical forests be explained?

326

What are societies?

328

Which animal has the longest longivity?

1068

What is electroporation ?

1845

Name the smallest dog on the earth?

1074

What causes sap to leak out of pine and maple trees?

2160

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