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miss Akunina [59]
3 years ago
9

how did the formation of free oxygen from photosynthesis and the development of the ozone layer stop abiogenesis

Biology
1 answer:
inn [45]3 years ago
7 0

This solar energy conversion process is known as photosynthesis. ... At this time, the oxygen level was approximately 10% of its present atmospheric concentration. ... The presence of ozone enabled organisms to develop and live on the land.

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Approximately what percentage of the human genome actually codes for proteins?
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Only 1.5 percent of human genome codes for proteins.

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This means that anywhere from 98-99% of our entire genome must be doing something other than coding for proteins – scientists call this non-coding DNA. 80 percent of the genome has a “biochemical function”.

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A superficial injury to the spinocerebellar tracts results in loss of coordinated movements of the trunk and lower extremities and presents with an abnormal clinical sign termed Ataxia.

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Lesions of spinocerebellar tracts are ipsilateral. hope this helps you :)

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Please fully explain the answer​
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explain why different gametes produced by the same person can have different alleles for two genes that are located at apart on
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