Answer:
the Hayflick limit
Explanation:
The Hayflick limit denotes the number of times the cells divide till the cell division stops.
Cell division depends on the length of the telomeres which are at the end of each chromosome. As cells divide the telomeres keep shortening, once the telomere length reaches a critical length the cells stop dividing.
A telomere is located at the end of each chromosome where there are repetitive nucleotide sequences.
They weren't agreeing with things that were said
Answer:
Option: a. saw the herds suffer heavy losses.
c. proved that cattle could be driven to distant markets.
d. established a link to the booming urban markets of the East.
Explanation:
Cattle drives began in American West where they moved large herds of livestock to market, find fresh pasture, and to shipping points. In the 19th century, ranching became possible in Texas to Missouri. Cattle raised by the Spanish in Texas which began in mid 18th century. Early cattle drives headed west after the gold rush.
D) censorship because when something is censored it is hidden or concealed
Answer:
the idea that one has shifted or changed the way he or she takes in knowledge.the philosophical study of nature ,origin,and limits of human knowledge.