ATP stands for adenosine triphosphate which is the energy currency of the cell while ADP stands for adenosine diphosphate. The difference primarily between the two is the number of phosphate groups in the molecule. ATP has three phosphate groups while ADP has only two phosphate groups
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what do u need help with?
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I think the answer is A TBH
Explanation:
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water (H2O); during the light-dependent reactions (the first half of photosynthesis), water does the following roles: it replaces used electrons, contributes hydrogen ions into the thylakoid space, and releases an oxygen molecule as a byproduct.
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The blastocyst is a fertilized egg
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the inner cell mass (ICM, from which the fetal tissues develop) and the trophectoderm (which will form mostly extraembryonic tissues such as the placenta