AP BIOLOGY

PHOTOSYNTHESIS

THE CHLOROPLAST

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
both the chloroplast and mitochondria have DNA
A
true
B
false
Explanation: 

Detailed explanation-1: -Both mitochondria and chloroplasts contain their own DNA and ribosomes.

Detailed explanation-2: -Chloroplasts and mitochondria are subcellular bioenergetic organelles with their own genomes and genetic systems. DNA replication and transmission to daughter organelles produces cytoplasmic inheritance of characters associated with primary events in photosynthesis and respiration.

Detailed explanation-3: -Mitochondria and chloroplast both are bounded by a double-membrane envelope and are semi-autonomous organelles. They both have their own genome (DNA) and also have their own ribosomes to synthesize proteins. Mitochondria and chloroplast can be found in the same plant cell.

Detailed explanation-4: -Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA.

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