What substance is the USABLE source of the energy that an animal cell uses for the synthesis of materials?

1 answer:

3 0

ATP because its essentially stored energy. All the cell has to do to release the energy is break off a phosphate. ATP is like money in the bank. It's there when cells need energy. Glucose is the preferred molecule to go through the krebs cycle to be made into ATP, but it has to be converted to ATP before its energy can be used. Starch is a macromolecule and has to be broken down into monosaccharides and then converted into ATP, so it's not he most direct source of energy. DNA is the code for telling the cells what proteins to make. It's not a source of energy. Sorry its long but hope it helps!!

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Eric has blood type O. What could be the genotype of his grandmother Tricia? Select all that apply.

sleet_krkn [62]

Answer:

C. IBIB

D. IBiO

Explanation:

The blood group system comprises of three different kind of alleles, iA, iB, IO. As we know that a person gets two alleles for both traits, one from father and one from mother, and based on that a person gets its blood group. IA and IB are dominant to IO.

So, if a person has genotype IAIO he will have blood group A and if he has genotype IOIB he will have blood group B because A or B are dominant to O.

However, if a person has blood group O it means that he has genotype IOIO.

So, in this diagram we see that Eric has blood type O, which means that his genotype will be IOIO.

The Eric's mother Melissa has blood group B, which means that she can either had genotype IOIB and IBIB respectively.

Similarly, Eric's grandmother Tricia has genotype B which means that she can have genotype both IOIB and IBIB respectively.

Therefore, both C and D are correct options.

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