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Is DNA and RNA double-standard?

No, DNA is usually double-stranded, consisting of two strands that are complementary to each other. RNA, on the other hand, is usually single-stranded. There are exceptions to this, such as certain viral RNA genomes that can be double-stranded.


Do chimps have single-stranded DNA?

No, chimpanzees, like all organisms, have double-stranded DNA in their cells. Double-stranded DNA consists of two strands of nucleotides that are complementary and form a double helix structure. Single-stranded DNA is rare in organisms and is usually found transiently during processes like replication or transcription.


Is influenza single strand or double strand RNA?

It is single stranded RNA. Importantly, it is also a segmented genome that allows it to have large genetic diversity.


Which polynucleotide is single stranded?

Ribonucleic acid (RNA) is the polynucleotide that is typically single-stranded. Unlike DNA, which is double-stranded and forms a double helix, RNA can exist in various forms, including messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA), all of which are single-stranded. This single-stranded structure allows RNA to perform diverse functions in cellular processes, including protein synthesis and regulation.


Matthew and Bradley got into an argument. Matthew was convinced that the above picture was RNA and Bradley was positive that it was DNA. Who is right and why?

To determine whether the structure in the picture is RNA or DNA, we can look for key differences: RNA typically has a ribose sugar and is usually single-stranded, while DNA has a deoxyribose sugar and is double-stranded. If the picture shows a single-stranded molecule with uracil instead of thymine, then Matthew is correct that it is RNA. If it shows a double-stranded structure with thymine, then Bradley is correct that it is DNA.