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DNA contains thymine, but RNA has uracil in its place.

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10y ago

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The sugar molecules found in DNA nucleotides are?

deoxyribose


Which base is found on DNA nucleotides but not rna nucleotides?

Thymine is found on DNA nucleotides but not on RNA nucleotides. In RNA, thymine is replaced by uracil.


What compounds are the building blocks of DNA macro-molecules?

Nucleotides are the monomer units that make up a DNA molecule. DNA nucleotides are composed of a deoxyribose sugar, a nitrogenous base, and a phosphate group.


Is strand of nucleotides in the RNA or DNA?

A strand of nucleotides can be found in both RNA and DNA. RNA is typically single-stranded, while DNA is double-stranded. Both molecules consist of nucleotides that contain a sugar, a phosphate group, and a nitrogenous base.


Molecules of DNA are composed of a long chain are called?

A DNA molecule is composed of long chains of DNA nucleotides.


Which base is only found in RNA nucleotides?

Uracil is only found in RNA nucleotides. In DNA uracil is replaced by thymine.


What are Molecules of DNA are referred to as?

The molecules of DNA are referred to as nucleotides, which are the building blocks of DNA. Nucleotides consist of a sugar (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine). Multiple nucleotides are strung together to form the double helix structure of DNA.


What three basic molecules are nucleotides composed of?

A phosphate group, a sugar and a nitrogenous base


What molecules consists of a string nucleotides of nitrogenous base deoxyribose and phosphate groups?

DNA molecules consist of a string of nucleotides composed of a nitrogenous base (adenine, thymine, cytosine, or guanine), deoxyribose sugar, and phosphate groups. These nucleotides are arranged in a double helix structure, forming the genetic code of an organism.


What are the units of DNA molecules?

Nucleotides


What organic substance is made up of nucleotides?

DNA and RNA are organic substances that are composed of nucleotides. A nucleotide contains a sugar, a phosphate group, and an organic base.


What is the only difference between the four nucleotides?

All of the four nucleotides have a nitrogenous base. Adenine: has a double ring, nitrogenous base and found in DNA and RNA Thymine:single ring with nitrogenous base. ONLY FOUND IN RNA. not DNA. that is a difference from the rest of the three nucleotides. Cytosine: single ring with nitrogenous base, found in both DNA and RNA Guanine: double ring with nitrogenous base, found in DNA and RNA. also i guess you can say there is another difference with the double and single rings.