The cancer-causing forms of the ras protein are involved in which of the following processes?
a) relaying a signal from a growth factor receptor
b) dna replication
c) dna repair
d) cell-cell adhesion
e) cell division

The longest-living bat is 41 years old. It’s said that the smaller the animal, the shorter its lifespan, but bats break that rule of longevity. Although most bats live less than 20 years in the wild, scientists have documented six species that life more than 30 years. In 2006, a tiny bat from Siberia set the world record at 41 years.

Explanation: