The DNA present in chloroplast is:
- Linear, double stranded
- Circular, double stranded
- Linear, single stranded
- Circular, single stranded
The Correct Option is B
Solution and Explanation
Chloroplasts are organelles found in the cells of plants and some algae. They are responsible for photosynthesis, the process by which light energy is converted into chemical energy stored in glucose. Similar to mitochondria, chloroplasts contain their own genetic material, which is distinct from the DNA found in the cell nucleus.
The DNA present in chloroplasts has specific characteristics:
- Circular Structure: Unlike linear DNA, which has ends, circular DNA forms a closed loop with no free ends. This circular structure is similar to bacterial DNA, aligning with the endosymbiotic theory that chloroplasts originated from ancient bacteria.
- Double Stranded: The DNA in chloroplasts has a double-helix structure, consisting of two complementary strands. This is the standard form of DNA structure found in most living organisms, allowing it to store genetic information efficiently.
Given these characteristics, the correct answer to the question regarding the DNA present in chloroplasts is: Circular, double stranded
Top Questions on The DNA
- According to Chargaff's Rule, in a DNA molecule, the amount of adenine (A) is always equal to the amount of ______.
- Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of:
- What is the fate of a piece of DNA carrying only gene of interest which is transfered in to an alien organism?
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B. It may get integrated into the genome of the recipient.
C. It may multiple and be inherited along with the host DNA.
D. The alien piece of DNA is not an integral part of chromasame.
E. It shows ability to replicate.
Choose the correct answer from the options given below: - Who discovered DNA?
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