Answer:
Option A, B, C, D and E
Explanation:
The first option indicates an early retroviral colonization of large double-stranded DNA viruses, which are the presumed ancestors of the eukaryotic nucleus; and then inappropriate activation of the telomerase can be implicated in the development of cancer by continous elongation of the telomere length without control.
Its activity can also be turned off leading to continuous shortening during replication and bringing about senesence and aging. the T-loops formed by the activity of the telomerase protects the ends of the chromosomes from being recognized as being broken and degradation.
Answer:
Scientists estimate that at least 99.9 percent of all species of plants and animals that ever lived are now extinct.
Explanation:
(Happy to help)
Answer:
In an ecosystem, what happens to the atoms of certain chemical elements, such as carbon, oxygen, and nitrogen? They move into and out of living systems. process in which chemical energy is used to produce carbohydrates. ... single-essential nutrient that limits productivity in an ecosystem.
Explanation:
Answer: on number 4 ints fact
Explanation:
Answer:
There are no facts in science only hypothesis that have been tested. if there is a scientific thought it will most likely change or have to be tested again because there is always new information in the world that has yet to be discoverred.
