Copying of mRNA into protein is termed as
a) Transcription
b) Replication
c) Translation
d) Transduction
Copying of mRNA into protein is termed as Read More »
Biology
Which of the following statement is incorrect about Molluscans?
A. They are surrounded by single or double pieces of hard skeleton.
B. Their shell grows as the animal grows.
C. They have hydrostatic skeleton.
D. They move by tube feet
Which of the following statement is incorrect about Molluscans? Read More »
The most important function of troponin is
A. To bind with actin
B. To bind with tropomyosin.
C. To bind with Ca2+ ions.
D. All of these
The most important function of troponin is Read More »
In an annelids, the contraction of circular muscle results in
A. Lengthening of the body.
B. Shortening of the body.
C. Widening of body
D. Thinning of body
In an annelids, the contraction of circular muscle results in Read More »
Diameter of thick filament is
A. 7 nm.
B. 8 nm
C. 16nm
D. 10-100 nm.
Diameter of thick filament is Read More »
Which of the following animal has a hydrostatic skeleton?
A. Earthworm
B. Round worm
C. Tape worm
D. Pin worm
Which of the following animal has a hydrostatic skeleton? Read More »
Which of the following statements is incorrect about skeletal muscle fibers?
A. They are multinucleated.
B. They are 10 – 100 ?m in diameter & surrounded by sarcolemma
C. They contain O2 storing molecules called hemoglobin.
D. Their cytoplasm contains high concentration of carbohydrates
Which of the following statements is incorrect about skeletal muscle fibers? Read More »
Gibberellins is an example of
A. Growth inhibitor
B. Growth stimulator
C. Growth hormone
D. None of these
Gibberellins is an example of Read More »
Epinasty is controlled by
A. Gibberellins
B. Abscisins
C. Auxins
D. Cytokinins
Epinasty is controlled by Read More »
Why skeletal muscles are called striated muscles?
A. They appear darker than smooth muscles by naked eye.
B. Alternating dark and light bands appear on their surface when visualized by naked eye.
C. Alternating dark and light bands appear on their surface when visualized via a microscope.
D. All of these
Why skeletal muscles are called striated muscles? Read More »