The second membrane protects e.coli (Gram-negative bacteria) against a harsh environment.
The outer membrane indirectly helps stabilize the inner membrane as peptidoglycan layer in Gram-negative bacteria is relatively thin than gram positive bacteria ( they have multilayer pepdtidoglycan )
The appropriate answer is d. a topographic maps. A topographic map shows the physical features of the earth's surface. A topographic map would therefore highlight features such as mountains, valleys, rivers and other landforms.
The height above sea level of these landforms are represented on the map by contour lines. These are lines on a map that show the height of the land. Colour is sometimes used to represent height if contours are not used.
The blood electrolytes—sodium, potassium, chloride, and bicarbonate—help regulate nerve and muscle function and maintain acid-base balance and water balance. ... Thus, the kidneys help maintain a balance between daily consumption and excretion of electrolytes and water.
The digestive system works<span> very closely with the </span>circulatory system<span> to </span>get<span> the absorbed nutrients distributed through </span>your body<span>. The </span>circulatory system<span> also carries chemical signals from </span>your<span> endocrine </span>system<span> that control the speed of </span>digestion<span>. Hope this helps</span>
I am not sure about the other things, but if I am not mistaken the site of photosynthesis is the chloroplast...