Explain Sperm
Explain the term Sperm. Also describes its structures with the help of diagram.
Expert
The sperm cell is the smallest of all human cells – to give you an idea of how small they are – there are 60 to 90 million (yes, million) sperm in a single millilitre of what exits the man’s body as semen. If this number falls to below 30 million the man is said to have a low sperm count – if it falls to 10 million or lower the man is said to be infertile. A man produces over 100 million sperm cells each day. The sperm’s average length is about 0.05 mm and consists of three main parts: the head, the midpiece or body and the tail.
The tip of the head has a cap called an ACROSOME which contains digestive enzymes. After the sperm has entered the vagina of the woman and has travelled the designated path, the digestive enzymes will eat away the covering of the egg allowing the sperm to fertilize the egg. At any one time there is a multitude of sperm “attacking” the egg trying to be the first one to eat through the protective layer. But what happens when they get through? More to come later! The rest of the head of the sperm contains the nucleus and the 23 chromosomes needed to connect with the egg to form a human fetus. The body of the sperm contains the mitochondria which produce the ATP which the sperm needs for energy. There is a lot of movement in the tiny sperm and they need a lot of energy! The tail of the sperm whips like a flagella and produces the swimming action propelling the sperm forward on its short but important journey.
Main cause for advertisement to be deceptive: An ad is deceptive while it omits any information or has any wrong statement. As this is likely to mislead the customers who will be reacting reasonably under several circumstances and that will help the c
What is an antibody and antigen interaction?
Matrix organizations According to Stanley Davis and Paul Lawrence, the matrix organization is "any organization that employs a multiple command system that includes
Write down the target organs and target tissues of neurohypophysis?
Write down the diseases of connective tissue?
Illustrate what is an adjuvant?
What do you mean by the natural active immunization and artificial active immunization?
What do you mean by myeloma protein? Answer: This is a monoclonal immunoglobulin generated from a myeloma cell.
According to examples of representing beings, how are Chordate characterized fundamental morphology, kind of symmetry, germ layers and coelom, respiratory system, digestive system, excretory system, circulatory system, nervous system and kinds of reproduction?
As a consequence of DNA replication two DNA molecules come in existence. Why is it not accurate to assert that two ‘new’ DNA molecules are created? What is name given to procedure relating to that fact?
18,76,764
1937245 Asked
3,689
Active Tutors
1432507
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!