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Biological Sciences Interview Questions
Questions Answers Views Company eMail

Which compound is involved in reducing levels of homocysteine in the blood?

2646

When a forensics laboratory tests evidence collected at the scene of a crime using the "DNA Fingerprinting" technique, what are the technicians comparing?

Vimta Labs,

1 3952

Promoters of housekeeping genes contain variable numbers of GC boxes, but neither TATA nor CCAAT boxes.Inwhat way these properties of housekeeping promoters are helpful?

2156

Suppose you are heterozygous for a mutant beta-thalassemia allele. If the frequency of beta-thalassemia is 1/1600 persons, what is the probabilty that your prospective spouse is heterozygous for a mutant beta-thalassemia allele?

2147

The village of Oblong has 400 normally-shaped residents. Transferrin is an iron carrier found in blood, and electrophoretic variation of this protein is determined by an autosomal codominant system. The citizens of Oblong were typed for their transferrin complements. The distribution of transferrin phenotypes was: 100 CC, 100 CD, and 200 DD. What is the frequency of the C allele?

1 3030

Cystic fibrosis (CF) occurs with a frequency of about 1/2500 Caucasian newborns and is inherited as an autosomal recessive. A woman had an older sister die from complications of this disease. CF is not present among relatives of her husband. Both the woman and her husband have normal phenotypes. What is the chance this couple will have a CF child?

2307

A blastomere was removed from an 8-cell human embryo, and its beta-globin gene was amplified by PCR. The beta-globin DNA was treated with an enzyme that cuts on either side of and within the normal allele (producing a small fragment), but not within the sickle cell allele (producing a large fragment). Electrophoresis of the treated DNA from the blastomere demonstrated the presence of both a large and small fragment derived from the beta-globin genes. How should you interpret this test?

2156

What is the difference between and aldose and a ketose? Give an example of each?

2 16594

What are carbohydrates used for in living systems?

3 10746

what is a Reducing sugar?

3 6385

what are Epimers?

3 8213

How to name a glycosidic bond?

1 6255

What is the importance of sorbitol?

1 4559

Where is lactose mainly produced in mammals?

1 4117

How is glycogen synthesized?

1 3994


Un-Answered Questions { Biological Sciences }

Have the proteins of a family generally acquired distinctive properties within each of these three kingdoms for ancient families that arose before bacteria, archaea and eukaryotes diverged?

1148


What are some common laboratory techniques?

972


What situations might be viewed as ethical uses of human cloning? Are you doubtful, fearful, or hopeful about human cloning?

2327


How does a cherry seed germinate?

2031


Define biosphere?

537


What are teaspoons?

1141


Why are less biodiverse ecosystems under the risk of suffering deep biological harms if submitted to even small changes?

340


Explain about the inhibition of transformation by DNA ?

2224


what is the classification of a lobster?

2412


Explain how do populations of predators and preys vary in predatism?

421


Which animal is brown in summer and white in winter?

1093


What is called animals that swim about in sea?

1033


bane the by products when crude oil is refined by distillation

2200


Explain about Protein Modification (S-thiolation)?

2496


I am an B.Tech Industrial biotechnology fresher(2010 passed out). I am looking for job in biotech companies. I approached some companies too. But in all companies they said they need experienced persons only and not freshers. Please suggest me a solution to my job search. And suggest me some biotech companies where fresher are hired.

2254