Ince mice embryos with loss-of-function hox mutations result in homeotic alterations, then introduction of such a mutation might cause

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.