What is the end product of glycolysis?

Reducing power $NADH + H^+$ is produced during which conversion step of glycolysis?

During cellular respiration,the number of $ATP$ molecules used during the conversion of glucose into glyceraldehyde-$3$-phosphate is:

What is the total net gain of $ATP$ molecules produced by the $EMP$ pathway (Glycolysis) per glucose molecule (in $, ATP$)?

$ATP$ is not produced during this stage.

During glycolysis,the enzyme hexokinase converts glucose to glucose-$6$-phosphate. The activity of hexokinase is inhibited by glucose-$6$-phosphate through which of the following mechanisms?