All cells are similar in composition and metabolic activities
Plants and some types of archaea or bacteria use photosynthesis to create food.
1) ctg act gct aat (you are correct)
2) GAC UGA CGA UUA
* remember for mRNA, a pairs with u
3) Aspartic Acid (Asp), Arginine (Arg), Leucine (Leu)
4) substitution (t changed to g)
Explanation: from GAC TGA CGA TTA
to GAC GGA CGA TTA
5) new mRNA strand: CUG CCU GCU AAU
6) yes, because the amino acids changed, which will code for different proteins.
Hope that helped! And your teacher did a really bad job forming this question, like how there is no starting codon and (no clarity) you don’t know which DNA sequences to use.
Natural selection, if only the best make it the gene pool will have stronger sheep and those sheep breeding will cause even stronger sheep