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The sides (uprights) of the DNA molecule are composed of alternating deoxyribose sugar molecules and phosphate molecules.

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13y ago

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What makes up the upright part of the DNA ladder?

Deoxyribose


Name two molecules which alternate to make the upright or side portion of a DNA molecule?

The two molecules that alternate to form the backbone of a DNA molecule are deoxyribose sugar and phosphate groups. These molecules form a repeating pattern along the length of the DNA strand, with the nitrogenous bases (adenine, thymine, cytosine, and guanine) attached to the deoxyribose sugar molecules.


In the ladder like model of DNA the sides upright consists?

The upright sides of the ladder-like model of DNA consist of alternating sugar (deoxyribose) and phosphate molecules, which make up the backbone of the DNA molecule. The sugar-phosphate backbone provides structural support and stability to the DNA molecule.


What molecules make up the DNA ladder?

The phosphate groups and deoxyribose molecules makes up the DNA ladder.


What are the compounds which make up a chromosome?

DNA molecules


What molecules make up chromosomes?

The DNA molecule.


What molecules make up the back bone of DNA?

Deoxyribose sugars and phosphates make up the backbone of DNA.


Where is a nucleotide on a DNA?

Nucleotides are the molecules that make up the D.N.A.


When DNA is duplicated during mitosis?

When DNA is duplicated during mitosis, the cell undergoes a process called DNA replication where the DNA molecule creates an exact copy of itself. This ensures that each daughter cell receives a complete set of genetic information. The duplicated DNA molecules are then separated into the daughter cells during cell division.


Identify the molecules which make up the DNA?

amino acids or polypeptides


Why do two identical strands form after the DNA molecules spread apart?

Because they are splitting to make more dna


Is ribose present in DNA?

Yes, ribose is present in DNA as part of the sugar-phosphate backbone of the nucleotide molecules that make up the DNA structure.