Searching for "Skeleton"

Q:

Which of the following statements about the cytoskeleton is FALSE?

A) The bacterial cytoskeleton is not required for cell division and DNA segregation B) The cytoskeleton is made up of two types of protein filament
C) Protein monomers that are held together with covalent bonds to form cytoskeletal filaments D) The cytoskeleton of a cell can change in response to the environment
 
Answer & Explanation Answer: C) Protein monomers that are held together with covalent bonds to form cytoskeletal filaments

Explanation:

Protein monomers that are held together with covalent bonds to form cytoskeletal filaments is the false statement about the cytoskeleton in the given options.

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Q:

Which of the following is part of the axial skeleton?

A) Thigh bone B) Shoulder bones
C) Vertebral column D) Foot bones
 
Answer & Explanation Answer: C) Vertebral column

Explanation:

The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.

 

Bones of shoulder, thigh and foot are the part of appendicular skeleton. 

  

Hence, Vertebral column is the part of axial skeleton.

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Q:

Which is not a function of the cytoskeleton?

A) helps the cell move B) gives cell a shape
C) prevents chromosomes from separating D) None of the above
 
Answer & Explanation Answer: C) prevents chromosomes from separating

Explanation:

A cytoskeleton acts as a frame that gives a cell its shape, protects it to an extent, and helps with cellular motion.

 

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Q:

Which of the following is not a function of cytoskeleton in a cell ?

A) Maintenance of cell shape and structure B) Intracellular transport
C) Cell motility D) Support of the organelle
 
Answer & Explanation Answer: B) Intracellular transport

Explanation:

A cytoskeleton is the frame that gives shape to a cell. And also it offers support, and facilitates movement through three main components:

microfilaments,

intermediate filaments, and

microtubules.

 

The cytoskeleton helps the cell move in its environment and controls the movement of all of the cell's interior workings.

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Q:

Which of the following has no Skeleton at all?

A) Star fish B) Sponge
C) Jelly fish D) Silver fish
 
Answer & Explanation Answer: C) Jelly fish

Explanation:
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