The statement that is true of chromosomes is:
Deoxyribonucleic acid (DNA) is stored in chromosomes within the nucleus.
To clarify the other statements:
-
The number of chromosomes in all organisms is the same. - This is false. Different species have different numbers of chromosomes (e.g., humans have 46 chromosomes, while fruit flies have 8).
-
Chromosomes are composed of ribonucleic acid (RNA). - This is false. Chromosomes are primarily composed of deoxyribonucleic acid (DNA), along with proteins that help package and organize the DNA.
-
Chromosomes are found floating freely in the cytosol of eukaryotic cells. - This is false. In eukaryotic cells, chromosomes are located within the nucleus and are not found freely floating in the cytosol.
1 answer