Answer:
Griffith and Avery studied bacteria and mice. Their S and R experiment revealed that DNA stores and transmits genetic information from one generation of bacteria to another. Chromosomes consist of protein and DNA, but mainly DNA.
Explanation:
More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described.
<span>B. Relaxation
</span>Systole is the ________ phase of the cardiac cycle.
NOT:
A. Contraction
<span>C. Monitoring </span>
<span>D. Termination</span>