Oxygen or an oxidizing agent to receive electrons must be present for oxidation to occur in chemical reactions
Answer:
<em>microchondrian i think</em>
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Explanation:
It prevents the separation DNA strands from reattaching to
one another during DNA replication is called DNA Helecase. 2 major enzymes used
during DNA replication is DNA helicases, DNA polymerase. DNA Helicase is an
enzyme that unwinds the DNA double helix during DNA replication.
An isotonic solution is when the solute concentration is balanced with the concentration inside the cell , the water movement still moves between the solution, but the rates are the same in both directions, the water is balanced inside and outside the cell .
A hypotonic solution is when the solute concentration is lower than the concentration inside the cell. water moves into the cell and can cause the cell to swell; cells that don’t have a cell wall, such as animal cells, could explode in this type of solution.
A hypertonic solution is when the solute concentration is higher than the concentration inside the cell. In a hypertonic solution, the water moves out of the cell and causes the cell to shrivel.
