I think the first one is right !.... but the for the other one it's B .
Answer:
A) A single base pair change.
Explanation:
Point mutation is a change in a single base pair of a nucleotide. This comes as a results of mistakes made during DNA replication, induced by ultravoilet radiations, extreme heat and X-rays. There are three types of point or substitution mutations; change, deletion and insertion. The nucleotide bases are either mistakenly inserted, changed or deleted, thus changing the resulting protein or amino acid being coded for.
Answer-
Dark Side- Lunar hemisphere that is not currently lit by the sun. Hope this helps!!
Plants are producers and make their own food through a process of photosynthesis.
Organisms are classified into domains according to shared characteristics.