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Endoplasmic Reticulum

Eukaryotic 80...

Question

Eukaryotic 80S ribosome breaks into

A

40S and 40S

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B

60S and 40S

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C

60S and 50S

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D

50S and 30S

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Solution

The correct option is B 60S and 40S
A prokaryotic ribosome (70S) is made up of two subunits: 50S and 30S, while an eukaryotic ribosome (80S) is made up of two subunits: 60S and 40S.

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Q. The eukaryotic 80S ribosomes are composed of 2 subunits of

Q. Read the following statements and identify the correct option given.

I. In prokaryotic cell, the nuclear membrane, chloroplast, mitochondria, microtubules, and different kinds of pili are absent.
II. In eukaryotic cell, the nuclear membrane, chloroplast, mitochondria, and pili are present.
III. In a prokaryotic cell, the ribosome is of 70S type and in mitochondria of eukaryotic animal cell, the ribosome is 80S type.

Q. Mitochondria of eukaryotes have

80 s

Q. differentiate between.
Prokaryotic and eukaryotic ribosomes.

Q. Several antibiotics exert their action by targeting the unique protein synthesis processes in bacteria. They exploit the differences between prokaryotic and eukaryotic translation mechanisms to selectively inhibit protein synthesis in bacteria without affecting the eukaryotic host.
Ribosomes are a specific target of some antibiotics since there is a significant difference in size and structure between eukaryotic and prokaryotic ribosomes: eukaryotic ribosomes consist of a 60S subunit and a 40S subunit, whereas prokaryotic ribosomes are composed of 30S and 40S subunits.
Tetracycline is a common antibiotic that works at the level of protein synthesis in bacteria.
Which of the following provides the best explanation for the effectiveness of Tetracycline as an antibiotic in eukaryotic cells?

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