Cells differentiate because they need to become specialized. which is an not example below of how specialized cells have unique structure and function. question 6 options: eyes are composed of rod and cone cells which change shape to allow light to move in and out of cells. bacteria cells are small in size in order to easily diffuse in and out of the cytoplasm. nerve cells have dendrites and axons, giving them a “pathway-like” shape which can be used to send and receive signals. muscle tissue is shaped differently than skin tissue because muscle cells have to expand and contract.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen

Plz ! what does it mean for an allele to be dominant?