How do you explain RNA to A child?

RNA is a copy, or a transcription, of DNA. See, the DNA is very important, since it holds the information needed for making new cells and maintaining life, so it never leaves the nucleus. The RNA is the one that goes out to do work throughout the cell.

What does plus and minus strand RNA virus mean?

Quick Reference. 1. in a single-stranded RNA virus, a plus strand is one having the same polarity as viral mRNA and containing codon sequences that can be translated into viral protein. A minus strand is a noncoding strand that must be copied by an RNA-dependent RNA polymerase to produce a translatable mRNA.

How many strands do RNA have?

RNA is a single-stranded molecule, unlike DNA, which is double-stranded.

What is transcription definition for kids?

Transcription is the process of copying DNA’s instructions for protein building to an RNA molecule. Transcription works like passing a note in class. RNA copies the DNA’s message so it can be passed out of a cell’s nucleus.

What is positive and negative RNA?

The main difference between positive and negative sense RNA virus is that positive sense RNA virus consists of viral mRNA that can be directly translated into proteins whereas negative sense RNA virus consists of viral RNA that is complementary to the viral mRNA.

What is meant by positive-sense RNA?

Positive-sense RNA viruses make up more than one-third of all known virus genera. This includes important pathogens, but also many viruses on official lists of potential bioterrorism agents. These types of viruses use host factors in all steps of viral infection, such as entry and replication.

What is RNA function?

The primary function of RNA is to create proteins via translation. RNA carries genetic information that is translated by ribosomes into various proteins necessary for cellular processes. mRNA, rRNA, and tRNA are the three main types of RNA involved in protein synthesis.

Is RNA double or single-stranded?

Although RNA is a single-stranded molecule, researchers soon discovered that it can form double-stranded structures, which are important to its function.

What are two types RNA?

Three main types of RNA are involved in protein synthesis. They are messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA).