Which of the following statements about chloroplasts is true? Group of answer choices The stacks of...

Which of the following statements about chloroplasts is true?

Group of answer choices

The stacks of interconnected sacs within the chloroplast are known as stroma; this is where the light-collecting for photosynthesis occurs.

The stacks of interconnected sacs within the chloroplast are known as thylakoids; the light-collecting for photosynthesis occurs here.

Chloroplasts are found in eukaryotic cells, therefore they contain linear DNA.

The DNA of the chloroplast is found within the thylakoid sacs.

The chloroplast has one single membrane layer due to its small size.

Expert Solution

After reading some books I think,

The correct answer is option b)The stacks of interconnected sacs within the chloroplast are known as thylakoids; the light-collecting for photosynthesis occurs here because It is present on the membranes of the thylakoids which collects the light for photosynthesis.

WHY other options are wrong :

option a)The stacks of interconnected sacs within the chloroplast are known as stroma; this is where the light-collecting for photosynthesis occurs is wrong because stroma is a colorless liquid material which in the surrounding of grana and it took an important part in the synthesis of organic molecules from water and carbon dioxide.

option c)Chloroplasts are found in eukaryotic cells, therefore they contain linear DNA is wrong because chloroplast present in plant cell and prokaryotic cells

option d)The DNA of the chloroplast is found within the thylakoid sacs is wrong because the DNA of chloroplast located in the center of chloroplast like a circle structure

option e)The chloroplast has one single membrane layer due to its small size is wrong because chloroplast is not a single membrane layer it has a double membrane.

gladiator answered 1 year ago

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