31 Answered Questions for the topic Proteins

04/10/19

Where, on the mRNA coding for such a protein, would the ER signal sequence likely be located?
A. The signal sequence is not part of the mRNA and is added separately by an enzyme.B.Immediately before the stop codon.C. Anywhere in the mRNA.D.Immediately after the start codon.
Follows • 1
Expert Answers •1

04/04/19

What effect has changing pH and salt concentration on protein complexes?
I'm struggling to find peer reviewed literature that explains the effect of changing the pH and the salt concentration on protein/protein complexes in solution. What effect does the pH and the salt... more
Follows • 1
Expert Answers •1

03/19/19

What happens to the precursor protein's signal sequence after it is cleaved?
Where does this signal sequence "go" after it has been cleaved by signal peptidase and what is its next function?
Follows • 1
Expert Answers •2
Proteins Biology

03/17/19

Given the following sequences N-terminal to C-terminal of the resulting fragments, deduce the sequence of the original peptide.
A sample of an unknown peptide was divided into two aliquots. One aliquot was treated with trypsin; the other was treated with cyanogen bromide. Given the following sequences (N-terminal to... more
Follows • 2
Expert Answers •1
Proteins Biology

03/17/19

Determine the sequence of a peptide consisting of 14 amino acids on the basis of the following data.
1. Determine the sequence of a peptide consisting of 14 amino acids on the basis of the following data. Amino acid composition: (4S,2L,F,G,I,K,M,T,W,Y) N-terminal analysis: S Carboxypeptidase... more
Follows • 2
Expert Answers •1

03/15/19

Differences Between Protein Motifs and Protein Domains?
I am in a 300-level molecular biology class and am unclear about this concept and how to delineate motifs versus domains of proteins. Any suggestions would be much obliged.
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.