On an electrophoresis gel, band b is closer to the positive end of the gel than is band a. which of the following statements is true?
a. band b is more negatively charged than band a.
b. band b moved faster than band a.
c. band a is smaller than band b.
d. band b consists of larger dna fragments than does band a.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

The primary organisms involved in the process bacteria and fungi.