Answer:
The correct option is <em>D. Hershey and Chase</em>
Explanation:
Experiments carried on by Hershey and Chase proved that DNA is the genetic material. It discarded the former belief that proteins were the genetic material.
Hershey and Chase carried out their experiments by using radioisotope of phosphorus (32P) and sulphur (35S) to prove their point. Phosphorus is present only in DNA whereas sulphur is present in proteins but absent in DNA. Hence, the usage of these isotopes acted as radioactive markers to prove the results of their experiments.
Answer:
Respiratory System
Explanation:
Gas Exchange Between Alveolar Spaces and Capillaries. The function of the respiratory system is to exchange two gases: oxygen and carbon dioxide. The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them
They both have an egg cell wall, a vacuole, and chloroplast, smooth and rough ER, and much more.
Onion skin is treated to be a tissue because it is thin and - brittle.
The skin cells of the onion get a well which gives- the outer portion its rigid shape.
Answer:
because one would think that the microorganisms suddenly and spontaneously grew out of nothing
Explanation:
Answer:
D. NaCl
Explanation:
The products are always on the right side of the equation!!!