The bacterial flora assists in the breakdown of foods that the stomach or small intestine missed and helps maintain digestion function The bacterial flora can synthesis vitamin k and b and is helpful barrier for immunity.
Answer:
it is the first one and this is not my opinion it is my sisters so if I get it wrong blame her.
Explanation:
This is true. it is called origin.
Answer:
Correct answer is D.
Explanation:
Silent mutations have no observable effect while neutral mutations does not cause harm or benefit the organism in any way. Missense mutations are single nucleotide changes that only affect one codon and one protein. In this case answer is frameshift mutation because this type of mutation is result of DNA insertion or deletion which changes the way DNA sequence is read and may affect more than one gene.
