Table of Contents
- 1 Does the sperm cell have a large surface area?
- 2 How does the structure of sperm help its function?
- 3 Why is it an advantage for a sperm cell to have very little cytoplasm and lots of mitochondria?
- 4 What is the purpose of the sperm cell?
- 5 Why is the egg larger than the sperm?
- 6 How is the acrosome involved in the fertilization of sperm?
Does the sperm cell have a large surface area?
Large surface area. No chloroplasts. Sperm cell To fertilise an egg cell to make a baby. Long tail to swim.
What is the surface area of a sperm cell?
With use of this grid, the mean (±SEM, n = 6) ram sperm surface area was calculated as 142.3±10.8µm^2 (Table 3). For human spermatozoa, the equivalent estimate was 106.5 ± 6.2µm^2 (Table 3).
How does the structure of sperm help its function?
The head contains the genetic material for fertilisation in a haploid nucleus. The acrosome in the head contains enzymes so that a 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 most important part of the sperm cell?
Sperm Head The head section also resembles an egg due to its broad base and tapering apex. The head is the most important part of the cell given that it contains the nucleus (genetic material with 23 chromosomes) required to form a new organism.
Why is it an advantage for a sperm cell to have very little cytoplasm and lots of mitochondria?
To conclude, mitochondria are organelles necessary for the process of cellular respiration. The sperm’s midpiece contains many mitochondria so that a supply of energy is available for the sperm to perform its function of traveling to and later fertilizing the egg.
Why are sperm cells important?
The primary function of the sperm is to pass on the necessary biological information required to produce a new organism.
What is the purpose of the sperm cell?
Sperm cells are male reproductive cells that originate in the testicles. Sperm cells swim to and fertilize a female reproductive cell called an oocyte, or egg. Two key factors that can affect male fertility are sperm count and sperm motility.
Why do sperm cells need to be small?
Sperm are smaller than most cells in the body; in fact, the volume of a sperm cell is 85,000 times less than that of the female gamete. The head of the sperm contains the extremely compact nucleus with very little cytoplasm. These qualities contribute to the overall small size of the sperm (the head is only 5 μm long).
Why is the egg larger than the sperm?
Because the sole purpose of the sperm is to carry the father’s genetic information to the egg cell so fertilization can occur, small size and superior motility are advantageous. An egg cell, or ovum, is the largest cell in the human body.
Where are sperm cells produced in the human body?
Sperm cells are gametes (sex cells) that are produced in the testicular organ (gonad) of male human beings and animals.
How is the acrosome involved in the fertilization of sperm?
For instance, with a number of its associated molecules, the acrosome is involved in the recognition of the oocyte (egg) to be fertilized. Once the sperm cell comes in contact with the diffusible molecules from the egg jelly, this stimulates the cell to swim towards the eggs.
How are sperm adapted to deliver DNA to the egg?
Sperm Are Highly Adapted for Delivering Their DNA to an Egg Typical sperm are “stripped-down” cells, equipped with a strong flagellum to propel them through an aqueousmedium but unencumbered by cytoplasmic organelles such as ribosomes, endoplasmic reticulum, or Golgi apparatus, which are unnecessary for the task of delivering the DNAto the egg.