8.A student was given cell samples (A and B) to identify parts which are highlighted. He observed the samples under the microscope and list down the function of the part of cell sample. The information collected by the student is listed in the table below, on the basis of which the student infers that the samples contain the organelles.
Sample A Sample B
Make energy available for cellular metabolism Generates ATP and synthes izes s ugar
Absent in cell that carry oxygen throughout the body Present in plant cell
Called the energy currency of cell Source o f all the food energy

Identify the part highlighted in the sample A and B and explain why they were called as semi-autonomous organelles?

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8.A student was given cell samples (A and B) to identify parts which are highlighted. He observed the samples under the microscope and list down the function of the part of cell sample. The information collected by the student is listed in the table below, on the basis of which the student infers that the samples contain the organelles.
Sample A Sample B
Make energy available for cellular metabolism Generates ATP and synthes izes s ugar
Absent in cell that carry oxygen throughout the body Present in plant cell
Called the energy currency of cell Source o f all the food energy

Identify the part highlighted in the sample A and B and explain why they were called as semi-autonomous organelles?

A. Sample A - Mitochondria, Sample B - Chloroplast; because both the organelles are double membrane bound structure.

B. Sample A- Mitochondria, Sample B - Chloroplast; because they both are capable of synthesis of their own proteins only.

C. Sample A - Mitochondria, Sample B - Chloroplast; because they are capable of synthesis of their own proteins and contain their own DNA.

D. Sample A- Mitochondria, Sample B - Chloroplast; because they contain their own DNA to transfer the genetic information from one generation to another.

Part in sample A and B are respectively mitochondria and chloroplast. They were called as semi-autonomous organelles because they are capable of synthesis of their own proteins and contain their own DNA; within the cell they are partially dependent upon cellular metabolism.

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Accepted Answer

C. Sample A - Mitochondria, Sample B - Chloroplast; because they are capable of synthesis of their own proteins and contain their own DNA.

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Sample A	Sample B
Make energy available for cellular metabolism	Generates ATP and synthes izes s ugar
Absent in cell that carry oxygen throughout the body	Present in plant cell
Called the energy currency of cell	Source o f all the food energy