The answer is 4. Hope this helps
Answer:
B. Three
Explanation:
Messenger RNA : mRNA : Encodes amino acid sequence of a polypeptide.
Transfer RNA: tRNA : Brings amino acids to ribosomes during translation.
Ribosomal RNA: rRNA : With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
Not 100% sure but i think its 2.one or more stocks of fish that can be treated as a unit. to me thats the only one that makes sense.
Answer:
Hydrogen peroxide works by producing free radicals that damage cellular macromolecules. Hydrogen peroxide has broad-spectrum activity, working against gram-positive and gram-negative bacteria (with slightly greater efficacy against gram-positive bacteria), fungi, viruses, and endospores.
Explanation:
Hope this helps.