Potassium is the major cation in the body. It plays many important roles, including the excitability of nerves and muscles. Where is this action particularly important

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

How can you tell the difference between rough er from smooth er?