Explain oncogenes or defective tumour suppressor genes, Biology

Assignment Help:

1.  Explain why a gain of function would be a dominant effect and a loss of function would be a recessive effect. Which types of genes are each associated with: oncogenes or defective tumour suppressor genes? Why?

2.  What negative role does the environment play in causing cancer? What positive effects can the environment have?

3. Identify four naturally occurring enzymes important to DNA technologies, and describe an example for each of their natural and technological uses.

 


Related Discussions:- Explain oncogenes or defective tumour suppressor genes

What are similarities between reptiles and birds, Q. What similarities do r...

Q. What similarities do reptiles and birds share regarding external coverage, reproduction and excretion? Regarding external coverage, birds are similar to reptiles as they pre

How age factors affect the requirement of protein, How age factors affect t...

How age factors affect the requirement of protein? Age: Protein in excess of maintenance needs is required, when a new tissue is being fornled. Certain age periods, when growth

What are the lateral meristems, What are the lateral meristems? Where can t...

What are the lateral meristems? Where can they be found and which kind of plant growth do they promote? The Lateral or the secondary, meristems, are the cambium and the phellog

Cell membrane lining the inner surface of the cell wall, Cell membrane lini...

Cell membrane lining the inner surface of the cell wall The cell membrane lining the inner surface of the cell wall is made up of phospholipids (45%) and proteins (55%). Some

Why do some physicians advise patients, Why do some physicians advise patie...

Why do some physicians advise patients with a bladder infection to drink a lot of cranberry juice? Answer Cranberry juice contains chemicals that kill viruses and bacteria. The inc

Explain dietary diversification - iron deficiency anaemia, Explain the Diet...

Explain the Dietary diversification - Iron Deficiency Anaemia? It aims to ensure that deficient populations have access to foods rich in iron and also foods rich in vitamin C (

Explain about the nutrition security, Explain about the Nutrition Security?...

Explain about the Nutrition Security? Food security is a part of the broader concept of nutrition security. A household can be said to be nutritionally secure if it is able to

Primary prevention - levels of prevention, Primary Prevention: Primary...

Primary Prevention: Primary prevention should have the following goals:  i)  Ascertaining at the risk population and  the high risk situations where stressful life events a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd