Answer: The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet's hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers. It also exists below ground—as groundwater, in wells and aquifers. brainliest?
Explanation:
Answer:
Primase
Explanation:
Primase is a form of RNA polymerase enzyme that is involved in DNA replication which catalyses the production of small segment of DNA or RNA called primer complimentary to a short stranded DNA template.
The RNA molecule is later removed by 5' to 3' exonuclease and the DNA later filled it and occupy the position.
Answer:
The correct answer is option D.
Explanation:
In the given case, a similar amount of colonies is witnessed in both control as well as the test plate. This concludes that it does not influence the organism, thus, there was no enhancement in the rate of reversion, that is, the number of colonies in the test plate does not get decrease. Thus, the compound in the disc is not mutagenic as there was no increase in the reversion rate.
<u>The ethical issues associated with the medical use of DNA technology:</u>
- Patient identification is one of the major ethical issues.
- There should be a legal signed consent by the person who is being used for the test.
- Also, DNA technology or genetic tests may expose the person to any life-threatening illness.
- It may expose some risks of diseases in the future which may lead to anxiety and depression in the person.
- Genetic tests may allow diagnosis of eye color or other traits in the embryo.
