cytoplasma..........RNA ...............DNA.............centrioles
2007-02-28 10:07:05 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Botany
DNA and protein.
2007-02-28 10:09:55 · answer #1 · answered by Jerry P 6 · 0⤊ 0⤋
Chromosomes are wrapped up, VERY long lengths of DNA (kinda like a big skein of yarn). DNA is de-oxy ribonucleic acid. It's roughly ladder-like, with sugar and phosphorus on the outside "poles" and two connected nucleic acids as each of the "rungs". It's chemical composition is what is in proteins (carbon, hydrogen, oxygen, nitrogen, etc), plus phosphorus.
2007-02-28 22:54:13 · answer #2 · answered by brigida 2 · 0⤊ 0⤋
if you were to stretch all the DNA of a human chromosome, you would have something a few centimeters long. This has to fold up to fit into a nucleus of a cell. It does this with different proteins like histones, solenoids and scaffold proteins. it will wrap into something that is like 1400 nanometers long. pretty amazing if you consider we have 23 pairs of these, and they are constantly replicating.
2007-02-28 18:18:23 · answer #3 · answered by dane hoy 2 · 0⤊ 0⤋
chromosomes vary:
-chromosomes of prokaryotes are termed plasmid, just a single ring of DNA without any histone proteins and nucleosomes
-chromosomes of eukaryotes are made up of DNA strands associated with proteins (usually histones). During prophase, chromosomes become visible because DNA coils along histones-- thus "chromosome condensation".
2007-03-02 14:09:55 · answer #4 · answered by Eloise 2 · 0⤊ 0⤋
chromosomes are made up of genes.
genes are structures on chromosomes that contain DNA
2007-02-28 18:10:59 · answer #5 · answered by harry potter 1 · 0⤊ 0⤋
DNA, really long strands of it.
2007-02-28 18:10:30 · answer #6 · answered by that_fish_spat_at_me 2 · 0⤊ 0⤋
DNA
2007-02-28 18:10:28 · answer #7 · answered by alannabear34 2 · 0⤊ 0⤋
....and chrome.
2007-02-28 18:10:45 · answer #8 · answered by genenj1 2 · 0⤊ 0⤋