Question

question 21
in a eukaryotic cell, where are the chromosomes (the dna = the genetic material)?
o nucleoid
o ribosomes
o mitochondria
o none of these choices
o endoplasmic reticulum

Explanation:

• Nucleoid is found in prokaryotic cells (like bacteria) and is not a membrane - bound structure for housing chromosomes in eukaryotes.
• Ribosomes are involved in protein synthesis and do not contain chromosomes.
• Mitochondria have their own small circular DNA, but the main chromosomal DNA (the bulk of the genetic material in a eukaryotic cell) is not located there.
• Endoplasmic reticulum is involved in protein and lipid synthesis and modification and has no role in housing chromosomes.
• In eukaryotic cells, chromosomes (the main genetic material in the form of DNA) are located in the nucleus (which is not one of the given options).

Answer:

none of these choices