The nucleolus<span> makes ribosomal subunits from proteins and ribosomal RNA, also known as rRNA. </span>
Answer:
cardiac
Explanation:
An electrical stimulus is generated by the sinus node (also called the sinoatrial node, or SA node). This is a small mass of specialized tissue located in the right upper chamber (atria) of the heart. The sinus node generates an electrical stimulus regularly, 60 to 100 times per minute under normal conditions.
The right and left ventricles are responsible for pumping blood while the right and left atria are responsible for receiving blood. These are the four main chambers of the heart that are responsible for transporting oxygenated blood within the body.
Answer:
Zoology is very relevant to industries.. but I am afraid there are no direct relationships among them. One is a subject and other is for minting money. If you ask relationship between zoologist and industry it would be appropriate. Well zoology as a subject has been providing ideas to generate multiple raw materials and even helping farmers. There is a special branch called as economic zoology. Read a few books on them and you can have more information regarding this.
The definition of mutation is <span>the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.</span>