Answer:
c. DNA binding to histones enables overall positive supercoiling without enzymes that underwind the DNA helix.
Explanation:
Because secondary sucession has bas soil that is intact still unlike primary sucession which begins with virtually lifless area without soil
Answer:
lood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues.
Explanation:
The microbes can be enumerated by streaking, pour plating, or spreading.
Streak plate gives isolated colonies, in which the counting of the microbial colony forming units is easier.
Pour plating is mostly used for food items. The bacterial load in the foods is counted by this techniques, as chances of error are less in the pour plates technique, but one has to be careful, to not to add hot media on the inoculum, otherwise it will kill the microbes.
Spreading is also used in some cases, one has to be cautious to evenly spread the culture, as a small amount of culture is used in this technique.
