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Human hemoglobin consists of four polypeptide chains: two alpha (α) and two beta (β) chains. The genes responsible for these chains are HBA1 and HBA2 for the alpha chains, and HBB for the beta chains. Therefore, there are three genes associated with the four polypeptides in hemoglobin.
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Different between DNA and polypeptide?
DNA is divided into functional units called genes. A gene(def) is a segment of DNA that codes for a functional product (mRNA, tRNA, or rRNA). Since the vast majority of genes are transcribed into mRNA and mRNA is subsequently translated into polypeptides or proteins, most genes code for protein synthesis. The term polypeptide (def) refers to many amino acids (def) connected by peptide bonds (def). While all proteins are polypeptides, not all polypeptides are proteins. In some cases, smaller polypeptides coded for by two or more genes must be joined together to produce a functional protein. In other cases, as will be mentioned below, mRNA carries a transcript of several genes resulting in the synthesis of a large polypeptide that must subsequently be cleaved by enzymes called proteases into two or more smaller functional proteins. For simplicity, we will use the term proteinwhen referring to the end product of transcription and translation.-sudarvizhi prashanth
A molecule of hemoglobin can hold how many molecules of oxygen in the blood transport?
Four heme groups, so I think four molecules of oxygen can be transported by one molecule of haemoglobin.
How many genes do fruit flies have on their chromosomes?
74
How many times is haemoglobin heavier than helium?
about 4 times
What is closely related to proteins?
Many things are closely related to proteins, including polypeptides and amino acids.
Different between DNA and polypeptide?
DNA is divided into functional units called genes. A gene(def) is a segment of DNA that codes for a functional product (mRNA, tRNA, or rRNA). Since the vast majority of genes are transcribed into mRNA and mRNA is subsequently translated into polypeptides or proteins, most genes code for protein synthesis. The term polypeptide (def) refers to many amino acids (def) connected by peptide bonds (def). While all proteins are polypeptides, not all polypeptides are proteins. In some cases, smaller polypeptides coded for by two or more genes must be joined together to produce a functional protein. In other cases, as will be mentioned below, mRNA carries a transcript of several genes resulting in the synthesis of a large polypeptide that must subsequently be cleaved by enzymes called proteases into two or more smaller functional proteins. For simplicity, we will use the term proteinwhen referring to the end product of transcription and translation.-sudarvizhi prashanth
What proteins are joined into long chains called polypeptides?
Many amino acids are joined together by peptide bonds to form polypeptides.
How many genes are shown on the section of normal DNA?
All of the genes are 'shown', but the B-strands of haemoglobin differ by one amino acid at position 6 (usually gutamic acid is espressed here, but in sickle cell anaemia valine is present instead)
A molecule of hemoglobin can hold how many molecules of oxygen in the blood transport?
Four heme groups, so I think four molecules of oxygen can be transported by one molecule of haemoglobin.
How many genes do fruit flies have on their chromosomes?
74
How many times is haemoglobin heavier than helium?
about 4 times
What is the Mrna sequence?
Eukaryotic genes have regions called "introns" and "exons". Exons code for polypeptides (often specific domains or motifs), while introns don't code for anything (that we know of) and are removed. mRNA splicing is the process where an mRNA molecule is cut up (usually by the "spliceosome") to remove the introns from an mRNA message. This is advantageous for us eukaryotes because we can recombine exons in different orders, and even combine exons from different genes to generate many proteins from a smaller number of genes.
What is closely related to proteins?
Many things are closely related to proteins, including polypeptides and amino acids.
What do you get if you join many amino acids?
A polypeptide. Proteins are made up of polypeptides (one or several, depending on the protein).
How many different types of gametes can a heterozygous woman with two genes produce?
A heterozygous woman with two genes (each having two alleles) can produce four different types of gametes due to the random assortment of alleles during meiosis.
What are traits that are shaped by many genes called?
Traits that are shaped by many genes are called polygenic traits.
How many genes are there in a human cells?
The human genome contains about 24,000 genes.
