Hi crash,
crashfrog writes:
The ribosome will produce a protein any time it is in solution with ATP, mRNA, and charged tRNA molecules.
So what causes the ribosome to come in contact with the mRNA and tRNA in a human cell?
crashfrog writes:
The ribosome doesn't know anything. Ribosomes produce proteins by chemical reaction any time the reagents they need to do so are present, just as how any spontaneous chemical reaction will occur when the conditions under which it occurs are present. When you react baking soda with vinegar, you don't need to tell the reaction to begin - it begins as soon as baking soda and vinegar come into contact. Similarly, as soon as a ribosome comes into contact with mRNA in the presence of ATP and charged tRNA's, a protein will be formed.
The ribosome can make over 2,000,000 proteins. Something has to control which of those 2,000,000 proteins the ribosome produces.
What controls that process?
Would the information provided by the mRNA that the DNA has constructed in a specific secequence of the string cause the ribosomes to produce a specific protein?
If I took a container of baking soda and a container of vinigar and placed them on a table side by side how long would it take to produce a chemical reaction? I'll answer for you. Never.
Now if I was an eternal being and had an endless supply of baking soda and vinigar and was to mix the two chemicals together in different locations every 2 minutes for 5 billion years would I get the same reaction everytime they were mixed? I will answer for you. Yes
Now if you mix mRNA and ribosomes will it produce the same protein everytime they contact each other? I'll let you answer this one.
Since there are over 2 million proteins that the ribosomes have to produce what causes the ribosomes to produce each one of them? I'll also let you answer this one.
crashfrog writes:
Ribosomes don't chemically interact with DNA; they interact with RNA molecules called "mRNA's." When mRNA, ATP, and charged tRNA's are present proteins will be produced. It's a complex chemical reaction but it is nonetheless a chemical reaction.
So ribosomes don't chemically interact with DNA. Yet the DNA has all the information contained in it to make the 2+ million proteins that the cells need to build and maintain a human body.
So how does that information reach the ribosomes?
Is the following answer correct for this question?
There are two principal stages in protein synthesis. The first stage is transcription, in which the information encoded in DNA is copied onto a length of messenger RNA (mRNA), which in eukaryotes moves from the cell nucleus to structures in the cytoplasm called ribosomes. The second stage is translation, in which amino acids are linked together at the ribosomes in the order specified by the mRNA sequence.
Source
crashfrog writes:
Ribosomes don't understand anything, they're just enzymes. They catalyze a series of chemical reactions including base-pair hydrogen bonding between nucleosides and the condensation of a peptide bond between amino acids.
Can the ribosomes produce over 2 million proteins?
How is the determination made as to which of these proteins the ribosome produces?
You keep saying it is only a chemical reaction. But to produce a specific protein it has to be a specific reaction to a specific set of instructions.
If it is only a chemical reaction like the baking soda and vinigar it will produce the same protein everytime it comes in contact with the mRNA.
If that is the case there is no way an error could occur and therefore there would be no mutations. No mutations = No eveloution of anykind. Micro or 'Macr-Evolution'.
crashfrog writes:
The mistakes happen as a result of these reactions being chemical ones. Chemical reactions are not deterministic, they are stoichiometric; their results are determined by probability and statistics. For instance, the reaction between toluene and iron bromide results in three different products - mostly the para and ortho products, and very rarely (if at all) the meta product.
Let me see if I understand what you are trying to tell me.
The chemical reactions are not inevitable but are concerned with, involving or having the exact proportions for a particular chemical reaction.
So the reaction that the ribosome will have has to be determined before by the secequence placed in the mRNA by the DNA.
Does errors occur when the DNA copies information creating the the mRNA string?
Is there a correction measure taken if a copy error exists?
If a copy error is removed and a correct one inserted how does an error ever occur?
If copy errors are so rare as to make them improbable, how does 'Macro-Evolution ever occur?
crashfrog writes:
The chemical reactions involved in DNA replication and transcription highly favor the desired outcomes, but the other products - the mutations, the "mistakes" - are improbable, not impossible.
Building proteins and DNA replication are two different things.
The chemical reaction can not produce errors.
The only thing that can produce the errors is when the DNA copies the instructions to the mRNA.
Without these errors there can be no form of evolution including 'Macro-Evolution'
If those errors are improbable that means they don't happen very often. If they don't happen very often how can there be enough accumulate to produce transmutation?
I know no one today likes to talk about transmutation as that is what is required for 'Macro-Evolution' to take place.
A mule is the nearest to transmutation or 'Macro-evolution' that I know of.
But when trying to create a new animal the attempt fails. A horse and an ass can produce the mule, but mules are always unproductive.
The hybrid dog-jackal can produce offspring with either dog or jackal. If the hybrid has pups produced by a dog and those pups have pups produced by a dog and those pups have pups by a dog and those pups have pups by a dog there will be no trace of the mixture.
Source
So if the errors are improbable and we can't produce a different animal with our present knowledge how did 'Macro-Evolution' take place.
If 'Macro-Eveloution' did take place there should be many verifiable instances of such an event. Yet no one has presented one.
God Bless,
"John 5:39 (KJS) Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me."
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