Answer:
B. Smaller fragments travel faster and farther than larger fragments.
Explanation: Shorter molecules move faster and migrate farther than longer ones because shorter molecules migrate more easily through the pores of the gel. This phenomenon is called sieving. [2] Proteins are separated by charge in agarose because the pores of the gel are too large to sieve proteins.
Already answered in pm ;P
Answer:
Index Fossils can be used to identify a specific time period.
Explanation:
The answer is Energy cannot be created nor destroyed.
Number 4 should be mitosis
