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Andru [333]
3 years ago
8

How long have scientists understood the role of DNA in heredity

Biology
1 answer:
exis [7]3 years ago
6 0

Answer:

The discovery of DNA occurred in 1869 by Swiss-born biochemist Fredrich Miescher, it took more than 80 years for its importance to be fully realized. The experiments reported in Oswald Avery and his colleagues' landmark paper of 1944 provided convincing proof that DNA was the hereditary material.

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The two types of cell cycle genes that, if mutated, cause cancer cells to divide uncontrollably are called tumor suppressor gene
Alex17521 [72]
<span>The two types of cell cycle genes that, if mutated, cause cancer cells to divide uncontrollably are called tumor suppressor genes and proto-oncogenes</span>
3 0
2 years ago
Why would it be hard to find the ideal co₂ level of the light intensity were low?
Natalka [10]
In low light no plants grow. With no plants no animals can eat so less animals remain or stay there. With less animals less animals respire and breathe out CO2.
6 0
3 years ago
How is a secondary immune response different from a primary immune response?
borishaifa [10]

Answer:

The secondary immune response is the immune response when the same antigen , memory cells that was encountered before is remembered and the immune system make antibodies to counter it.

Explanation:

There is a difference between the primary immune response and secondary immune response.

In the primary immune response occur when the immune system encountered an antigen for the first time which lead to the generation of memory cells and and the B cells with the T cells produce antibodies.

While the secondary immune response occur when the same antigen that was encountered the first time is encountered the second time and it lead to the stimulation of memory cells to produce more and high quantities of antibodies to fight foreign substances.

6 0
3 years ago
The clinical findings of a client with diabetes mellitus show decreased glucose tolerance. Which complication is anticipated in
Savatey [412]

Answer:

Frequent yeast infections.

Explanation:

The two hormones insulin and glucagon hormones maintains the blood glucose level in the body. These hormones are released by the alpha cells and beta cells of the pancreas.

The inadequate amount of the insulin secretion can cause the development of Diabetes Mellitus in the individual. The client shows decrease glucose tolerance. This might cause due to the yeast infection in the client's body as the yeast consumes too much sugar.

Thus, the answer is frequent yeast infections.

4 0
3 years ago
Traits are based on improving what primary factor in organisms?
Sonja [21]

Answer:

organisms that have more favorable traits tend to leave more offspring ... improved fitness of certain individuals in the population that allows for survival and reproduction. ... Based on H-W conditions, five major causes of evolution: ... factors that prevent organisms of two species from producing vigorous, fertile offspring

Explanation:

5 0
2 years ago
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