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Comment on the cartwheel structure of centriole. [https://lh3.
Biology Exemplar
Biology Exemplar

Class 11

NCERT Exemplar

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NCERT
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Biology
1

Chapter 1: The Living World

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2

Chapter 2: Biological Classification

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3

Chapter 3: Plant Kingdom

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4

Chapter 4: Animal Kingdom

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5

Chapter 5: Morphology of Flowering Plants

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6

Chapter 6: Anatomy of Flowering Plants

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7

Chapter 7: Structural Organization in Animals

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Chapter 8: Cell: The Unit of Life

39 questions

Q1
Explain the association of carbohydrate to the plasma membrane and its significance.
Q2
Comment on the cartwheel structure of centriole.
Q3
Differentiate between Rough Endoplasmic Reticulum (RER) and Smooth Endoplasmic Reticulum (SER).
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9

Chapter 9: Biomolecules

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10

Chapter 10: Cell Cycle and Cell Division

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11

Chapter 11: Transport in Plants

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12

Chapter 12: Mineral Nutrition

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Chapter 13: Photosynthesis in Higher Plants

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14

Chapter 14: Respiration in Plants

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15

Chapter 15: Plant Growth and Development

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Chapter 16: Digestion and Absorption

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17

Chapter 17: Breathing and Exchange of Gases

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Chapter 18: Body Fluids and Circulation

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Chapter 19: Excretory Products and their Elimination

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Chapter 20: Locomotion and Movement

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21

Chapter 21: Neural Control and Coordination

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22

Chapter 22: Chemical Coordination and Integration

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Comment on the cartwheel structure of centriole.
Centrioles

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(d) Centrosome is an organelle usually containing two cylindrical structures called centrioles. They are surrounded by amorphous pericentriolar materials both the centriole in centrosome lie perpendicular to each other in which each has an organisation like that of an ‘cartwheel’. 
A centriole possess a whorl of 9 peripheral fibrils. There fibrils are absent in the centre, hence the arrangement is called 9 0 + . Each fibrils is made of 3 sub-fibres. Therefore, called triplet fibril. 
The centrioles form the basal body of cilia and flagella. It also forms spindle fibres that gives rise to spindle apparatus during cell division in animals. 
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Question Text
Comment on the cartwheel structure of centriole.
TopicCell: The Unit of Life
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes61