Absorptive cells- Form the walls of the intestines
epithelial cells- Form skin, body cavities, and some organs
Secretory cells- Glands (Sweat)
Nerve cells- Form the nervous system
Sensory cells- Conveys sensory information to the brain (light, smell, taste, ect.)
Muscle cells- Form muscles (body and organs)
Reproductive cells- Allow for reproduction or furthering of the species
Answer: a cell membrane
Explanation: But remember that bacteria do have their DNA inside their protein envelope. They don’t have a nucleus, but they do have DNA making them also have the ability to reproduce.
Answer:
Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.
It happens when the two groups become sufficiently different and the two can no longer interbreed. A known example of speciation is the London underground mosquito where it formed a new species within the existing genus. There are examples in micro-evolution but not in macro-evolution.
Answer:
Your answer is most likely D) ss.
Purebred means not bred with anything else, which would mean that the only genes available would be ss.
