Answer:
A DNA marker
Explanation:
also known as a size standard or a DNA ladder) is loaded into the first well of the gel. The fragments in the marker are of a known length so can be used to help approximate the size of the fragments in the samples.
False.
You’re body uses sweat to cool off in high temperatures. I don’t think vaporization has anything to go with it. Also, the water wouldn’t be hot since you’re cooling off by using it.
Answer:
C. 100 kilocalories
Explanation:
Only a little amount of energy as 10% is transferred to the next trophic level. This is called 10% rule.
