The X can possibly be the sex chromosome. Like for human female we have the XX chromosomes and when the allele is on the X chromosome we write as X with a R as the superscript on top right.
Answer:
Heterotrophs obtain energy by consuming other organisms; Autotrophs obtain energy by consuming the foods they make. ... A Single molecule of glucose stores more than 90 times the energy stored by ATP. ATP transfers energy quickly and is used by the cell as an immediate source of energy.
Explanation:
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Answer:
cool
Explanation:
just cool that's good for you.
Answer:
W
Explanation:
Because when the sale starts invited it starts out as a singular cell, then divide itself into two and it continues to divide itself. So the answer that would make the most sense would be W because it starts out with only two.
It was not until the year of 1952!