Table of Contents
- 1 What are the adaptations of sperm cells?
- 2 What are the Specialised features of a sperm cell?
- 3 What is the unique function of the sperm cell?
- 4 Where do sperm cells replicate and differentiate?
- 5 What is significance of epididymis in male fertility?
- 6 How is the sperm cell adapted to carry out its function?
- 7 What are the special features for sperm cells?
What are the adaptations of sperm cells?
Sperm cells have these adaptations:
- a tail to move them towards an egg cell.
- many mitochondria to provide energy.
- an acrosome (part of the tip of the head) that releases enzymes to digest the egg membrane.
What are the Specialised features of a sperm cell?
The head of the sperm contains the genetic material for fertilisation. The acrosome in the head contains enzymes so that the sperm can penetrate an egg. The middle piece is packed with mitochondria to release energy needed to swim and fertilise the egg. The tail enables the sperm to swim.
What is the unique function of the sperm cell?
Function. The main sperm function is to reach the ovum and fuse with it to deliver two sub-cellular structures: (i) the male pronucleus that contains the genetic material and (ii) the centrioles that are structures that help organize the microtubule cytoskeleton.
How is a sperm cell adapted to allow it to reach the egg cell?
The role of the sperm cell is to fertilise the egg. – It has a streamlined shape with a tail which enables it to swim towards the egg. – It has a head with a nucleus, which contains the genetic material. – It has an acrosome with enzymes which enable the sperm to penetrate the egg.
What special features are evident in sperm cells but not in somatic cells and how do these specializations function?
Unlike somatic cells, sperm are haploid. They also have very little cytoplasm. They have a head with a compact nucleus covered by an acrosome filled with enzymes, and a mid-piece filled with mitochondria that power their movement.
Where do sperm cells replicate and differentiate?
Located inside the testes are groups of convoluted tubules called seminiferous tubules, where sperm cell production takes place. The primordial germ cells undergo mitotic proliferation within the cords of an embryonic testis.
What is significance of epididymis in male fertility?
The epididymis helps sperm in attaining maturity, acquiring increased motility and fertilising capacity. It also stores sperms for a short period before entering the vasa deferens.
How is the sperm cell adapted to carry out its function?
The sperm cell is adapted to its function in multiple ways:It has a tail which enables it to swim towards the egg.The middle section of the cell is packed with mitochondria.
How are sperm cells adapted to their functions?
A. 1) Sperm cell is adapted to its function by carrying genetic information to an egg . 2) It has a stream lined body that allows it to move quickly. 3) They also contain large number of mitochondria in the mid region, so it is able to produce a lot of energy in order to operate tail.
How does sperm cell and egg cell unite?
The sperm binds through the corona radiata, a layer of follicle cells on the outside of the secondary oocyte. Fertilization occurs when the nucleus of both a sperm and an egg fuse to form a diploid cell, known as zygote. The successful fusion of gametes forms a new organism.
What are the special features for sperm cells?
Adaptations of Sperm Cells Streamlined body – The sperm has a streamlined body that allows it to move rapidly to reach the target egg cell. Tightly packed mitochondria – The midpiece of a sperm carries about 70 mitochondria, which is the source of energy (ATP). Basic amines – The sperm contains a number of basic amines such as cadaverine and spermine among others.