HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
CHLOROPLAST IS A DOUBLE MEMBRANED STRUCTURE
A
TRUE
B
FALSE
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Plant chloroplasts are large organelles (5 to 10 m long) that, like mitochondria, are bounded by a double membrane called the chloroplast envelope (Figure 10.13). In addition to the inner and outer membranes of the envelope, chloroplasts have a third internal membrane system, called the thylakoid membrane.

Detailed explanation-2: -Final answer: Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane is a wrong statement.

Detailed explanation-3: -Structure of Chloroplasts Chloroplasts are oval-shaped and have two membranes: an outer membrane and an inner membrane. Between the outer and inner membrane is the intermembrane space approximately 10-20 nm wide. The space within the inner membrane is the stroma, the dense fluid within the chloroplast.

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