During cellular respiration, cells convert oxygen and glucose into carbon dioxide, water, and energy. How is this process related to that of photosynthesis?

the real answer is b. scintillation counter

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.