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Which of the following organelles lack membranes ?
a)
Ribosome
b)
Lysosome
c)
Golgi body
d)
Nucleus
Correct answer is option 'A'. Can you explain this answer?

Class 9 Question

By Faiz Akhtar · Jan 10, 2020 ·Class 9

16 Answers

Satvik Kumar answered Jan 10, 2020

See Rhibisom is the bacteria which is present under the soil it is the other name of Rhizobium all other have a membrane but it is not having so option a

Ruchi Kansal replied Feb 24, 2020

You are wrong bacteria is rhizobium not ribosome

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Kunal Yadav replied Mar 02, 2020

Ribosomes contain two subunits pc 70s, ec 80s.Ribosome is made up of R-RNA and proteins .As we know ribosome is the protein factory of cell and it regulates all protein related biomochanism . without any memberane it is easily di this

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Suman Kumari replied 4 weeks ago

Good explanation!

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Manoj Tikwani answered Feb 14, 2020

Ribosome

Seema Parveen answered Feb 21, 2020

A)Ribosome exist as free structures that float throughout the cytoplasm of the cell. they do not have membranes, which allows them to pick up translational RNA released from the nucleus and grab onto free amino acids in order to produce protein chains

Suhani Shital answered 4 weeks ago

A
ribosome

Madhu answered Feb 28, 2020

Bcoz it's given in the textbook..

Rishika Rai answered 3 weeks ago

Ribosomes lack membranes as they help in protein synthesis . As proteins are needed by all the different parts of the cell , they move freely across the cell

Razia Shaik answered 3 weeks ago

Ribosomes don't have a membrane.

Suman Kumari answered Mar 02, 2020

Correct answer is option 'A'

Mohammad Gufran answered Jan 29, 2020

Lysosome

Priya Soni answered Feb 25, 2020

Ribosomes

Pravin Kumar answered 3 weeks ago

C option

Nitish Kumar answered Mar 03, 2020

Ribosome lacks membrane a sit is composes of RNA and protein enzyme. It is the site of protein synthesis in a cell.

Ruchi Kansal answered Feb 24, 2020

Anil Kumar Sharma answered 4 weeks ago

Ribosome exist as free structures that float throughout the cytoplasm of the cell. they do not have membranes, which allows them to pick up translational RNA released from the nucleus and grab onto free amino acids in order to produce protein chains.

Anly Fenel answered Feb 16, 2020

Answer a , ribosomes

Yaahika Siwach answered Feb 18, 2020

Ribosome is present in the cytoplasm and is attached to endoplasmic reticulum to form RER . It makes protein so for easy transmition to ER.

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