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In 70S and 80S ribosomes, ‘S’ as a unit that stands for which of the following?

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Important Questions on Cell: The Unit of Life

EASY
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 89
RNA is found in all of the following structures, except:
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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 93
Polyribosomes are an aggregate of which of the following?
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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 94
The cellular component at the base of each cilium or flagellum is ____
MEDIUM
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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 87
Which of the following cellular part is incorrectly described?
HARD
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 88

How many of the following features are true for centriole?

(i) A non-membrane-bound cell organelle that helps in cell division.

(ii) Its core is called an axoneme.

(iii) Has nine microtubule doublets at the periphery.

(iv) Has a cartwheel organisation. 

(v) Shows (9 + 0) organisation of microtubules.

(vi) Surrounded by a microtubule generator.

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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 90
The cytoskeleton is a proteinaceous network of fibres in the cytoplasm involved in which of the following?
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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 91
Microtubules are made up of
EASY
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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 1 - Cell: The Unit of Life>TOPICWISE QUESTIONS>Q 92
The organelles with an internal cross-section showing the characteristic (9 + 2) morphology are