Genes and Genomes a. You start an experiment with a yeast strain that is an adenine and methionine auxotroph, subject it to UV mutagenesis, and isolate a mutant that is incapable of growth at 16'C (yeast normally grow at 30°C but can also grow at a wide range above and below this standard temperature).

i. To identify the gene that has been mutated, you take the wild type yeast genomic DNA, break it into pieces, and introduce these pieces into the mutant cells. Which of the following observations (on its own) will let you conclude that the mutant picked up the wild type copy of the UV-mutated gene? Select all that apply.

A. It grows at 16 C
B. It grows at 30°C
C. It grows without adenine in the environment
D. It grows without methionine in the environment

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.