Controls what substances can move in and out of the cell. it also protects the cell from its surroundings.
Leukemia can be treated using human stem cells to attack and destroy cancer cells.
Sugar-phosphates and nucleotides
nebular hypothesis
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across. Several stars, including the Sun, formed within the collapsing cloud.
Answer:
The answer is option 1 about 70% of total global carbon is found in oceans.
Explanation:
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