Ultraviolet radiation is the primary cause of sunburns
It’s the doctor of all systems
Answer:
Darwin's finches are a classic example of an adaptive radiation. Their common ancestor arrived on the Galapagos about two million years ago. During the time that has passed the Darwin's finches have evolved into 15 recognized species differing in body size, beak shape, song and feeding behavior.
Chemical burns, eye safety, combustion
The expected outcome for growth signal activating Ras is cell growth first, then DNA replication, then cell cycle arrest (Option 4).
<h3>What is the growth signal activating Ras?</h3>
The growth signal activating Ras is a signaling pathway associated with cell differentiation.
The growth signal activating Ras promotes the cell cycle through different types of growth factors.
In conclusion, signal activating Ras activates cell growth first, then DNA replication, then cell cycle arrest (Option 4).
Learn more about the signal activating Ras here:
brainly.com/question/13793996
#SPJ1
