Hint: This is an organelle that grows in the sperm cells of many animals, including humans, over the anterior half of the head.
It is a cap-like structure that originates from the Golgi apparatus. The acrosome in Eutherian mammals includes digestive enzymes (including hyaluronidase and acrosin).
These enzymes break down the ovum's outer membrane, called the pellucid region, allowing the haploid nucleus inside the sperm cell to enter the haploid nucleus inside the ovum.
1) Mitochondria are membrane-bound organelles (mitochondrion, singular) that produce much of the chemical energy required to power biochemical reactions in the cell.
Chemical energy provided by the mitochondria is stored in a small molecule called triphosphate adenosine (TPA).
2) Centrioles have the primary purpose of developing cilia during interphase, and aster and spindle during cell division.
3) A Golgi body, also known as a Golgi unit is a cell organelle that helps process and package proteins and lipid molecules, particularly proteins destined to be exported from the cell.
4) Ribosomes have two major functions — to decipher the message and to form peptide bonds. These two functions exist in two large unequal sized particles of ribonucleoprotein (RNPs), the ribosomal subunits. Each subunit consists of one or more ribosomal RNAs (rRNAs) and several ribosomal proteins (r-proteins).
Note: The acrosome consists of a core protein matrix and includes various hydrolytic and glycolytic enzymes that are important for fertilisation.