13. what relationship exists between two variables when their ratio is a constant?
o an inverse proportion
o a negative slope
o a direct proportion
09

ysosomes are membrane-bound vesicles that contain digestive enzymes, such as glycosidases, proteases and sulfatases. lysosomal enzymes are synthesized in the endoplasmic reticulum (er), are transported to the golgi apparatus, and are tagged for lysosomes by the addition of mannose-6-phosphate label.

explanation:

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse