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vlada-n [284]
3 years ago
13

I need help with this

Biology
1 answer:
Nadusha1986 [10]3 years ago
6 0

Answer:

asffgsd

Explanation:

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What is the relationship between proto-oncogenes and oncogenes?
SCORPION-xisa [38]

Answer:

Oncogenes result from a mutation in  proto-oncogenes.

Explanation:

  • Protooncogenes control the growth and division of cells.
  • The proteins encoded by proto-oncogenes include growth factors, growth factor receptors, transcription factors and signal transducers.
  • They contribute to the transformation process by driving cell proliferation or reducing sensitivity to cell death.
  • Several types of genetic and epigenetic changes convert these proto-oncogenes to oncogenes.
  • Oncogenes arise due to the changes that increases the expression of proto-oncogenes .
  • Oncogenes are one of the causes of cancers.

A proto-oncogenes can turn into oncogene by following ways:

  • A point mutation  such as deletion, insertion and substitution  in the proto-oncogene can lead to formation of oncogenes.
  • Chromosomal translocation may result in activation of proto-oncogene as seen in Burkitt's lymphoma.
  • Insertion of a mobile genetic material such as retrovirus changes the gene expression, but leaves their coding sequence intact.
  • Activation of proto-oncogene can also occur from reduplication and amplification of DNA sequence.
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Both aerobic and anaerobic respiration yields a net gain of ATP molecules to be used as energy for living things. The process of
Shkiper50 [21]
Aerobic respiration. Has a total of 36 ATP
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Which of the following genotypes for blood will show codominance?
ycow [4]

Your answer is B

When the F1 generation exhibits both the parental characters, this is called codominance. The offspring will be a combination of both the parent. The ABO blood group system is one of the best examples of codominance. There are different types of red blood cells such as A, B, AB and O with or without the Rh factor.

Sure hope this helps

3 0
2 years ago
PLEASE HELP EXAM IN PROGRESS
Butoxors [25]

Explanation: dababy dababy wit your mom                                                       lets g00000000000000000000000000000

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Which of the followings will move fastest in an electrophoresis gel? ctga gtaacg tcg atcgact?
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Tcg because it’s the shortest strand and the shortest strands travel the fastest
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