* please explain why the other answers are wrong. Also, what does kb stand for?
ID: 207046 • Letter: #
Question
*please explain why the other answers are wrong. Also, what does kb stand for? is 100,000 kb actually 1,000,000 bases?
You are given the complete sequences of a circular genome that is about 100,000 kb you analyze its sequence and find that all of its open reading frames (DNA sequences that can be computationally translated into long protein sequences) start with AUG start codons. What do you know about this genome?
a) it s a cholorplast genome
b) it is a mitochondrial genome
c) it is a yeast genome
d) it is a bacterial genome
e) more than one answer could be correct.
Explanation / Answer
Answer:
d) it is a bacterial genome
Explanation: Yeast genome is not cicular, it cintains 16 chromosomes. Chloroplast genome is small in size about 100kb, whereas mitochondrial genome is much smaller with 16kb size. The bacterial genome ranges anywhere from about 130 kbp to over 14 Mbp.
what does kb stand for? is 100,000 kb actually 1,000,000 bases?
A kilobase (kb) is a unit of measurement in molecular biology equal to 1000 base pairs of DNAor RNA.
kb= kilibasepairs
100,000 kb= 1,00,000,000 bases
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