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Nucleic Acid - RNA And Its Types | Class 11 Biology
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Hi Everyone! Welcome To My Channel "Ali Academy Biology Lectures"
About This Video ........................
In This Video Lecture You Will Learn Basic Concept Of RNA
RNA (Ribonucleic Acid)
Three main types of RNAs — messenger RNA (abbreviated as mRNA), transfer RNA (abbreviated as
synthesized from DNA in the nucleus and then are moved out in the cytoplasm to perform their
to the ribosomes in the cytoplasm to form particular proteins. Messenger RNA carries the genetic
in mRNA to form speciic protein molecule. This type of RNA consists of a single strand of variable
information from DNA to ribosomes, where amino acids are arranged according to the information
may be folded back on itself, to give double helical characteristics. The nitrogenous bases form the
Types of RNA
Messenger RNA (mRNA):As the name indicates it takes the genetic message from the nucleus
tRNA), and ribosomal RNA (abbreviated as rRNA) are recognized. All these three types of RNAs are
usual complementary pairing viz. cytosine (C) with guanine (G) and uracil (U) with adenine (A). RNA
speciic functions.
Like DNA, RNA is a polymer of ribonucleotides. The RNA molecules occur as single strand, which
is synthesized by DNA in a process known as transcription.
message. For example, for a protein molecule of 1,000 amino acids, mRNA will have the length of
length. Its length depends upon the size of the gene as well as the protein for which it is taking the
3,000 nucleotides. mRNA is about 3 to 4% of the total RNA in the cell.
Transfer RNA (tRNA): It comprises about 10 to 20% of the cellular RNA. Transfer RNA molecules
site where peptide chains are being synthesized. There is one speciic tRNA for each amino acid.
transfers them to ribosomes, where they are linked to each other to form proteins.
total RNA. It is strongly associated with the ribosomal protein where 40 to 50% of it is present. It
acts as a machinery for the synthesis of proteins. On the surface of the ribosome the mRNA and
Ribosomal RNA (rRNA):It is the major portion of RNA in the cell, and may be up to 80% of the
are small, each with a chain length of 75 to 90 nucleotides. It transfers amino acid molecules to the
So the cell will have at least 20 kinds of tRNA molecules. Transfer RNA picks up amino acids and
tRNA molecules interact to translate the information from genes into a speciic protein.
About This Channel.....................
I make these videos cause I love to draw and connect the complexity of science and medicine into art. I'm not saying. I'm 100% correct in all my videos, but I do try to obtain the information from credible sources.
One-stop destination for all biology lectures.
_ students in class 11, 12 or appearing for competitive medical exams ( NMDCAT ) will find it very beneficial
_ The videos are categories under various heading to make the students life simplified
Visit My Other Channel Playlist .....................
Class 10th Lectures:
Subscribe My Channel:
Social Link........................
Instagram:
About This Video ........................
In This Video Lecture You Will Learn Basic Concept Of RNA
RNA (Ribonucleic Acid)
Three main types of RNAs — messenger RNA (abbreviated as mRNA), transfer RNA (abbreviated as
synthesized from DNA in the nucleus and then are moved out in the cytoplasm to perform their
to the ribosomes in the cytoplasm to form particular proteins. Messenger RNA carries the genetic
in mRNA to form speciic protein molecule. This type of RNA consists of a single strand of variable
information from DNA to ribosomes, where amino acids are arranged according to the information
may be folded back on itself, to give double helical characteristics. The nitrogenous bases form the
Types of RNA
Messenger RNA (mRNA):As the name indicates it takes the genetic message from the nucleus
tRNA), and ribosomal RNA (abbreviated as rRNA) are recognized. All these three types of RNAs are
usual complementary pairing viz. cytosine (C) with guanine (G) and uracil (U) with adenine (A). RNA
speciic functions.
Like DNA, RNA is a polymer of ribonucleotides. The RNA molecules occur as single strand, which
is synthesized by DNA in a process known as transcription.
message. For example, for a protein molecule of 1,000 amino acids, mRNA will have the length of
length. Its length depends upon the size of the gene as well as the protein for which it is taking the
3,000 nucleotides. mRNA is about 3 to 4% of the total RNA in the cell.
Transfer RNA (tRNA): It comprises about 10 to 20% of the cellular RNA. Transfer RNA molecules
site where peptide chains are being synthesized. There is one speciic tRNA for each amino acid.
transfers them to ribosomes, where they are linked to each other to form proteins.
total RNA. It is strongly associated with the ribosomal protein where 40 to 50% of it is present. It
acts as a machinery for the synthesis of proteins. On the surface of the ribosome the mRNA and
Ribosomal RNA (rRNA):It is the major portion of RNA in the cell, and may be up to 80% of the
are small, each with a chain length of 75 to 90 nucleotides. It transfers amino acid molecules to the
So the cell will have at least 20 kinds of tRNA molecules. Transfer RNA picks up amino acids and
tRNA molecules interact to translate the information from genes into a speciic protein.
About This Channel.....................
I make these videos cause I love to draw and connect the complexity of science and medicine into art. I'm not saying. I'm 100% correct in all my videos, but I do try to obtain the information from credible sources.
One-stop destination for all biology lectures.
_ students in class 11, 12 or appearing for competitive medical exams ( NMDCAT ) will find it very beneficial
_ The videos are categories under various heading to make the students life simplified
Visit My Other Channel Playlist .....................
Class 10th Lectures:
Subscribe My Channel:
Social Link........................
Instagram:
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