Locomotion and ...

Muscles are attached to bones via :

Myoglobin is found to be :

i. highly abundant in muscles of whales and seals .ii. exhibiting cooperative binding of oxygen.

iii. allowing organisms to hold their breathe longer underwater.

The correct result of ATPase activity that occurs during muscle contraction is :

The two systems that work in coordination and bring about movement and locomotion are

A meromyosin molecule doesn’t contain :

Which of the following statements is/are incorrect about sliding filament theory of muscle contraction?

A functional G-Actin molecule in its free state is bound to :

Which of the following cells in a multicellular organism move(s) through the tissues by amoeboid movements to reach the places of infection?

Study of muscles is called :

The muscle which moves a part of the body away from the midline of the body is termed as

Actin filaments are found in all eukaryotic cells but reportedly absent in :

The number of bones in the human skull or cranium is

In between fixed joints, where bones are held firmly,

By the help of which of the following muscle forearm is being rotated ?

Which of the following statements regarding muscle fatigue is false?

Discovery of actin is credited to

The property which doesn’t belong to muscle fibres is :

Look at the following figure of movement of the thin filaments

The label x, y, and z are respectively

Match the following:
 

Polymerisation of actin monomers involves ATP hydrolysis as shown in the following figure : [choose the correct one]

Which of the following statements is/are false regarding the skeletal system?

Which of the following joints do(es) not have bones fitted like the hinge of a door?

Various movements like looping, somersaulting, climbing, shortening and elongation can be seen in

The correct organisation of skeletal muscle is 

Read the following statements about muscle contraction in humans :

i. chemical energy is converted into mechanical energy during muscle contraction and the chemical is a neurotransmitter.

ii. a neurotransmitter acetylcholine at motor end plate converts electrical energy into mechanical energy.

iii. in a contracted muscle, volume remains the same.

iv. a contracted muscle becomes shorter and thicker.