The best and most correct answer among the choices provided by the question is the second choice. The statement that best describe the word "stranding" is "T<span>he information can be very useful to biologists and managers who are trying to protect the species."</span>I hope my answer has come to your help. God bless and have a nice day ahead!
Answer: F- Matrix.
Explanation: The cells are embedded in an extra cellular matrix made of fibers and ground substance.
Answer:
Virus is the only organism which is considered as both living and non living organism.
Explanation:
Virus has the characteristics of both living and non-living organism. The living character is that it is formed from DNA and RNA molecule and the ability to reproduce, while the non living character is that they are present in the form of crystals when they are out of the host cell. Due two these living and non-living characteristics of virus, people have some misconception. So it is clear that virus has both living and non living characteristics.
Answer:
The correct answer is option - d. Production of primary spermatocytes.
Explanation:
The accessory cells or supporting cells present within the seminiferous tubules of reproductive system termed as the Sertoli cells. They play various roles in the body and reproductive system.
Sertoli cells make blood-testis barrier in adjacent Sertoli cells in the seminiferous tubules. These cells secrete different types of enzymes and hormones such as inhibin which are also secreted by ovary and placenta in females. Sertoli cells produce seminiferous tubular fluid to provide nutrition to the sperm. Apoptotic germ cells are timely eliminated by these cells.
Thus, the correct answer is option D. Production of primary spermatocytes.
