Glycosylated proteins and lipids within the plasma membrane are important for

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.