What is the major structural difference between DNA and RNA?

Biology

2 answers:

brilliants [131]3 years ago

6 0

Answer:

C) DNA is double stranded, while RNA is single stranded.

Explanation:

The structure of DNA is a double helix with two complimentary strands.

The structure of RNA is a single strand.

Im taking biology, so i hope this helps.

vivado [14]3 years ago

4 0

So, the three main structural differences between RNA and DNA are as follows: RNA is single-stranded while DNA is double-stranded. RNA contains uracil while DNA contains thymine. RNA has the sugar ribose while DNA has the sugar deoxyribose.

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Read 2 more answers

Free earlobes are dominant over attached earlobes. What is the probability that a woman with attached earlobes (homozygous reces

AVprozaik [17]

<h2>The correct answer is explained below:</h2>

Explanation:

According to the question, free ear lobes are dominant over attached ear lobes.
Let the allele for free ear lobes be represented by F.
Let the allele for attached ear lobes be represented by f.
The genotype of the homozygous recessive woman (mother) having attached ear lobes is : ff.
The gamete produced by the woman is: f.
The genotype of the heterozygous man (father) with free earlobes is: Ff.
The gametes produced by the man are: F and f.
Mating the man with the woman we get the following offspring,

F f

f Ff ff

Phenotype Free ear lobe Attached ear lobe

The genotype and the phenotype of the probable children obtained is represented in the Punnett square above.
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