Answer:
The correct answer is option e. "result in permanent activation of Ras".
Explanation:
Ras function is regulated by the GTP/GDP cycling rate, in a way that Ras is inhibited by the substrate GDP. Once Ras hydrolyzes GTP, GDP is produced and Ras is inhibited by GDP. A mutation that inhibits Ras from hydrolyzing GTP, would lock Ras in a permanently activated state because no GDP would be produced and there will be no substrate to inhibit Ras.
Answer:
Cloning is the mechanism by which one living organism takes genetic material and produces identical copies of it. Cells, organs, chromosomes and whole species have been cloned by geneticists.
<u>The scientist need to take of some of the issues before cloning of sheep are as following:</u>
- Conflict with long-standing religious and social values about human dignity, probably infringing the principles of equality, identity and autonomy of each person.
- Cloned embryos face the same difficulties as naturally occurring pregnancies, plus others that are unique to cloning, so embryonic condition should be maintained.
- Cloned embryos surviving pregnancy may be born with a number of birth defects and other health issues.
- However, cloned cells can lack the programming required to tell the genes when to turn on and off. The outcome could be disorganised cell growth or abnormal functioning of the cell, all of which may lead to death of an organism.
The phosphorus in the soil can be passed on to the water through drainage and into phosphate solution to form part of the long term phosphorus cycle.
Breast milk composition and frequency of demand feedings separate a carrying species from a nesting species.
<h3>What does patterns of parental care mean?</h3>
The patterns of parental care can be defined as stimuli that shape the relationship between parent and offspring in different species.
Carrying species are those species where parent care do not involve building nests for their offspring (conversely to nesting species).
In conclusion, breast and demand feedings separate a carrying species from a nesting species.
Learn more about nesting species here:
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