Cell walls, which are found in plant cells, maintain cell shape. Some animal cells dont need to maintain shape. Such as muscle cells, they are constantly moving.
Answer: Feedback loops are biological mechanisms whereby homeostasis is maintained. Some examples of positive feedback are contractions in child birth and the ripening of fruit; negative feedback examples include the regulation of blood glucose levels and osmoregulation.
Explanation:
Answer:
volcanoe ones r always easy
In the case presented above, of a patient diagnosed with
primary open-angle glaucoma (POAG), who is refusing therapy. The insistence of
the nurse that it is important for the patient to seek treatment is in a bid to
prevent blindness. This is because <span>without
medical intervention, glaucoma can lead to total permanent blindness
within just a few years.</span>
Answer: Free-floating DNA is a term used to describe Prokaryotic DNA because such cells do not contain a distinct nucleus complete with a nuclear membrane. Such DNA simply exist in a region in the cytoplasm called nucleoid. Nucleoid is not distinct but can be found in any part of the cytoplasm, thus the term 'free-floating'.
Hope this helped!
