Answer:
Present-day cells evolved from a common prokaryotic ancestor along three lines of descent, giving rise to archaebacteria, eubacteria, and eukaryotes.
Changed the composition of the oceans. Most of the iron was precipitated out by early life.
Changed the composition of the atmosphere. Oxygen became available in abundance.
Explanation:
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Option B
An important factor in Oswald Avery's ability to identify the "transforming principle” as DNA was the fact that proteins contain very little phosphorus
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Explanation:</u></h3>
Oswald Avery manifested an approach to clarify this transforming principle. He then conveyed a range of chemical tests to discover out what it was. Scientists did comprehend that genes were placed on chromosomes and that chromosomes consisted of DNA and proteins.
At the event, yet, proteins resembled to be a better alternative for the genetic material. Chemical analysis explicates that the proportions of elements in the decoction exactly resembled those observed in DNA. Proteins comprise substantially no phosphorus.
Answer:
Biodiversity boosts ecosystem productivity where each species, no matter how small, has an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all forms of life.
Explanation:
The answer is C. I which we didn’t have to type a 29 character response typing to fill up space.
Answer:
Multiple sources of protein promote protein synthesis after exercise, but only those with essential amino acids elevate synthesis. ... Ten grams of essential amino acids or twenty-five grams of a complete protein are sufficient to maximally stimulate protein synthesis.
Explanation:
