Need a bio expert to help me with this! Explain why it's that answer, and please answer ONLY if you have already know --don't guess

Substances effect: partially blocks (h+)/pyruvate symporter, interfering with the transport of pyruvate into the mitochondria. will this make the body lose or gain weight?

Once a woman attains puberty, her overuse mature and release one egg per ovarian cycle. which hormone stimulates this event?

Explain the process that creates the heat of the sun?