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Biological Sciences Interview Questions
Questions Answers Views Company eMail

Two children have a neurological disorder. When cells from the two patients were fused to form heterokaryons containing nuclei from both patients and cultured, the cells displayed normal metabolism. Cells from either patient exhibited abnormal metabolism when cultured separately.what does these results indicate?

2263

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

1 3653

What determines whether a B-cell will respond to an antigen?

1 3480

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?

2067

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

2125

What is Food-biotechnology?

1 5241

What is the role of FDA?

Ranbaxy,

2 7863

What does "determination of non-regulated status" mean?

2208

What is necessary for commercial production of a biotech plant?

2352

What is APHIS's role in regulating biotechnology?

1 3091

What is DuPont doing to ensure that its biotechnology products will not pose risks to the environment?

2265

In conventional breeding within species, it is said that "vertical transfer" of genes takes place. However, biotechnology allows "horizontal transfer" of genes across species. Isn?t such horizontal transfer unnatural, and therefore possibly unsafe, as well as unethical?

1 3039

What is a "transgenic" organism?

4 7431

What effects do genetically modified (GM) products have on the environment?

1 4369

How Biotechnology is different from traditional plant breeding?

Biocon,

2 11601


Un-Answered Questions { Biological Sciences }

what is the general life cycle of metazoans?

2280


Explain the Procedure for Extraction of red blood cells?

1961


why we use 96 well plate in ELISA plate reader?

2343


What are some of the different ways in which information could be encoded in spike trains?

1769


How does the embryo turn from gastrula into neurula?

1


On which organelle of the cell structure does intracellular digestion depends? What is the chemical content of those organelles?

1034


Explain why do preserved foods not spoil?

939


Is herbivorism a form of predatism?

348


Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?

2382


Explain the screening of biosurfactant producing bacteria ?

2685


What are some chemical compounds found in the roots of plants?

2058


Are VRE clients isolated?

2104


Explain why nitrogen cannot form penta halides?

1220


our hair comes from our mother's father.Is it true or not?

2172


Describe the Virus infection on suspension cultured stem cells ?

2209