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Before translation, the introns must be removed from mRNA and the exons spliced together. This is done by spliceosomes, which are made up of snRNAs and:
The molecular weight of DNA is high, as much as a billion amu. In contrast, the molecular weights of RNA are low, perhaps around 25,000 amu. About 1% of the dry weight of the cell is DNA, and about 5% of the weight is RNA. From these numbers, we can conclude that:
how many codons would be needed to specify 5 amino acids
which nitrogenous bas in RNA pairs with adenine (A)
which nitrogen base in RNA pairs with adenine (A)
where does translation occur in the prokaryotic cell
where does transcription occur in the eukaryotic cell
how many nucleotides (bases) are in a codon
What would happen to polypeptides and cell function if a valine-tRNA synthase lost its specificity and attached any of the 20 amino acids to the 3' end of the valine tRNA?
Part of a DNA template strand has the sequence 5'-ATGGTGTACG-3'. What will be the sequence of the RNA transcribed from this DNA?
When one gene is considered at a time in a genetic cross it is referred to as
which is bigger: purine or pyrimidine
Attached to each tRNA is an _______ _______
if given mRNA you must match it with the tRNA in order to find the
what is the name of the bond formed between amino acids
In what phase does DNA replication occur
How many nucleotides are in a Condon
some sort of bottleneck effect happens that reduces the size of a population and just by chance eliminates some alleles
How does one amino acid go in to a condon
What does the translation look like in a eukaryotic cell

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