What is the name of the bond that is created when two amino acids join? hydrogen bond nitrogen bond peptide bond ionic bond

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give