Answer these 2 question and i will make u brainlest please help Every copy of a particular protein manufactured by a cell shows the same incorrect amino acid at the same point in its structure. According to the central dogma of molecular biology, in which structure does this error originate?
mRNA
DNA
tRNA
rRNA

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?