A male patient presents with infertility and upon examination, it's found that he has immotile sperms lacking a functional flagellum. Genetic analysis reveals a mutation affecting a specific protein crucial for flagellar structure. Which of the following proteins is MOST likely affected?
Tubulin
Actin
Myosin
Dynein
Related Questions
Read the statement and choose the option that correctly fills the blank. In a human male, each testis has about ________ compartments called testicular lobules.
125
250
150
280
A pair of bulbourethral gland also called …A… gland present on the either side of …B… . It secrets …C… fluid and …D… for lubricating the penis. Here A, B, C and D are
A-Cowper’s, B-Urethra, C-Alkaline, D-Mucous
A-Prostate, B-Urethra, C-Acidic, D-Mucous
A-Cowper’s B-Scrotum, C-Acidic, D-Mucous
A-Prostate, B-Scrotum, C-Alkaline, D-Mucous
Sertoli cells are also called
Subtentacular cells
Sperm cells
Interstitial cells
Leyding cells
Acrosome is the modified
Mitochondria
Lysosome
Golgi body
Nucleus
Which structure is not directly involved in the transport of sperms?
Prostate gland
Epididymis
Vas deferens
Ejaculatory duct
The nutritive cells found in seminiferous tubules are
Leydig’s cells
Atretic follicular cells
Sertoli cells
ICSC
Where do sperms get matured?
Testes
Epididymis
Vas deferens
Prostate gland
Sperm is a microscopic structure composed of head, neck, …A… and …B… Sperm head contains elongated haploid nucleus, which is covered by cap like structure called …C… .
A, B and C in the above statement refers to
A-middle piece, B-tail, C-acrosome
A- tail, B- middle piece, C-acrosome
A- tail, B- acrosome, C- middle piece
A-middle piece, B- acrosome, C- tail
Cytoplasm surrounding mitochondria present in the middle piece of sperm is
Absent
Rich in energy-yielding substrates and enzymes
Contains large nucleus
Contains acrosome
Select the correct sequence for transport of sperm cells in male reproductive system.
{\rm{Seminiferous tubules }} o {\rm{ Rete testis }} o {\rm{ Vasa efferentia }} o {\rm{ Epididymis }} o \,{\rm{Vasa}}\,{\rm{deferens}} o {\rm{ Ejaculatory duct }} o {\rm{ Urethra }} o {\rm{ Urethral meatus}}
