1) RNA condons and amino acids: valine, proline, alanine
a. GCGCGUGUG b. GUGCCUGCG
c. GUUCCCACU d. GCUCUUGCU
I think it b but really having hard time with it, i even checked the genetic code
To determine the correct RNA codon for each amino acid (valine, proline, alanine), you can refer to the genetic code chart. The genetic code chart shows the correspondence between RNA codons and the amino acids they code for.
First, let's look at the genetic code chart:
RNA Codons | Amino Acids
---------------------------
GCU, GCC, GCA, GCG | Alanine (Ala)
CCU, CCC, CCA, CCG | Proline (Pro)
GUU, GUC, GUA, GUG | Valine (Val)
Now, let's analyze each option:
a. GCGCGUGUG
The first codon "GCG" corresponds to alanine, not valine or proline. The second codon "CUG" corresponds to leucine, not valine or proline. So, this option does not match the given amino acids.
b. GUGCCUGCG
The first codon "GUG" corresponds to valine, which matches the first amino acid. The second codon "CCU" corresponds to proline, matching the second amino acid. However, the third codon "GCG" corresponds to alanine, not valine. So, this option does not match the given amino acids accurately.
c. GUUCCCACU
The first codon "GUU" corresponds to valine, which matches the first amino acid. The second codon "CCC" corresponds to proline, matching the second amino acid. The third codon "ACU" corresponds to threonine, not alanine. So, this option also does not match the given amino acids correctly.
d. GCUCUUGCU
The first codon "GCU" corresponds to alanine, not valine or proline. The second codon "CUU" corresponds to leucine, not valine or proline. The third codon "GCU" corresponds to alanine, not valine or proline. So, this option does not match the given amino acids.
Based on this analysis, none of the given options accurately match the amino acids valine, proline, and alanine. It's possible that there is a mistake in the options provided or in the given amino acids.