Answered: There are 22 amino acids used within…

There are 22 amino acids used within the human body. How can these 22 molecules be used to make hundreds of thousands of different proteins?

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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There are 22 amino acids used within the human body. How can these 22 molecules be used to make hundreds of thousands of different proteins?

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Similar questions

Why do you suppose only l-amino acids and not a random mixture of the l- and d-forms of each amino acid are used to make proteins?
How many different dipeptides can be synthesized from 20 amino acids?
Why is it important to specify the three-dimensional structure of amino acids?
The proteins in an organism’s cells are diverse (in number) and complex (in structure and function). How is this so when there are only 20 amino acids that would make them?
Draw the structures of the 20 standard amino acids and give their one- and three letter abbreviations.
When an inappropriate amino acid is substituted in place of another, as occurs in certain genetic disorders, the resulting protein is either poorly functional or non-functional. Since proteins contain hundreds if not thousands of amino acids, why should the change of a single amino acid be so critical?
Shown below is an internal fragment of a polypeptide. If this polypeptide were growing, onto which end would the next amino acid be added? a) onto the right b) onto the left
Shown below is an internal fragment of a polypeptide. If this polypeptide were growing, onto which end would the next amino acid be added? a) Onto the right b) Onto the left
How many different tetrapeptides can form from four different amino acids?
Which of the following amino acids would you expect to find more often near the center of a folded globular protein? Which ones would you expect to find more often exposed to the outside? explain your answers. Ser, Ser-p (a Ser residue that is phosphorylated), Leu, Lys, Gln, His, Phe, Val, Ile, Met, Cys–S–S–Cys (two cysteines that are disulfide- bonded), and Glu. Where would you expect to find the most N-terminal amino acid and the most C-terminal amino acid?
Refer to the figure below. Replacing lysine with another amino acid in the protein may alter the shape and function of the protein. Replacing lysine with which type(s) of amino acid(s) would lead to the least amount of change in the tertiary structure of this protein? Explain your answer.
Consider the peptide in the image and answer the following questions.