Pelagibacter<span> ubique is one of the smallest known free-living bacterium with a length of 0.37-0.89 </span>μm<span> and an average cell diameter of 0.12-0.20 </span>μm<span>.</span>
Answer:
B)
Explanation:
"Positive feedback encourages and intensifies a change in the body's physiological condition, driving it farther out if the normal range."
Answer:
Hey there the answer would be D. Keratin is the pigment responsable for skin color.
Explanation:
A. The top layer of the epidermus is made of dead skin cells. The inner player has to be constatnly making more cells
B.The body procudes more melanin with stronger sunlight exposure. This results because the UV of the sun causes T-T dimers which is a type of DNA damage.
C. UV causes genetic mutation which can result in cancer if not fixed by the cell
D.Keratin is found in the epidermis and with thick layer of skin found in the hands and feet. Melainin is responsible for skin color.
Cell theory because one of the rules is that all cells comes from already existing cells or something
