Answer:
B. Leading; lagging.
Explanation:
The leading strand is made as a continuous piece. The the lagging strand is made in small pieces.
Answer:
yeast cells produce asexually by asymmetric division process called budding,in yeast budding usually occurs during the abundant supply of nutrition
<span>Answer: occurs when the aortic and pulmonary valves backfill with blood</span>
The second heart sound,that is heard in normal hearts, is generated by the closing of the semilunar valves((the aortic valve and pulmonary valve). Before that, the first sound corresponds to the closing of the atrioventricular valves.
The correct option is B.
The field of science is very dynamic and it thrives on discovery of new evidences. When new evidence are found for a particular phenomenon, the existing phenomenon has to be adjusted to fit the new discovery. Air pollution was once named to be responsible for global cooling because enough evidence was not available then to prove otherwise but now overwhelming evidences show that pollution is responsible for global warming.<span />
Answer:
by mimicking disease agents and stimulating the immune system to build up defenses against them.
Explanation: