amino acids in proteins
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| The pKa for alpha-amino groups is | approximately 9.5 (8.8 - 11.0), protonated at pH of 7 with a positive charge.
🗑
|
||||
| The pKa for alpha-carboxyl groups is | approximately 2 (1.8 - 2.4), mostly dissociated at pH of 7 with a negative charge.
🗑
|
||||
| alanine | ala
🗑
|
||||
| arganine | arg
🗑
|
||||
| asparagine | asn
🗑
|
||||
| aspartate | asp
🗑
|
||||
| cysteine | cys
🗑
|
||||
| glutamate | glu
🗑
|
||||
| glutamine | gln
🗑
|
||||
| glycine | gly
🗑
|
||||
| histidine | his
🗑
|
||||
| isoleucine | ile
🗑
|
||||
| leucine | leu
🗑
|
||||
| lysine | lys
🗑
|
||||
| methionine | met
🗑
|
||||
| phenylalanine | phe
🗑
|
||||
| proline | pro
🗑
|
||||
| serine | ser
🗑
|
||||
| theonine | thr
🗑
|
||||
| tryptophan | trp
🗑
|
||||
| tyrosine | tyr
🗑
|
||||
| valine | val
🗑
|
||||
| Essential AA: Little Valentine Take My Heart, Practicing Love Improves The Art | Leucine Valine Tryptophan Methionine Histidine Phenylaline Lysine Isoleucine Threonine Arginine
🗑
|
||||
| Nonessential amino acids: Almost All Girls Go Crazy Grabbing Protracted Slug Testicles | Alanine, Asparagine, Glycine, Glutamate, Cysteine, Aspartate, Glutamine, Proline, Serine, Tyrosine
🗑
|
||||
| Which contain R-groups that are nonpolar, polar? | If an R-group contains an oxygen or a nitrogen, it is polar.
If an R-group does not contain oxygen or nitrogen, it is nonpolar.
🗑
|
||||
| NOnpolar= | No Oxygen or Nitrogen in nonpolar R groups
🗑
|
||||
| Which R-groups are charged ? | GLAAH- It hurts to be shocked by something with a charge!
Glu, Lys, Asp, Arg, His
🗑
|
||||
| polar groups: Seriously The Tyrone's Ass is Glowing | Ser, Thr, Tyr, Asn, Gln
🗑
|
||||
| What AA's can form salt bonds? | AG neg, AL pos
Aspartic acid, Glutamic acid- neg
Arginine, Lysine-pos
Histidine is pos when ph>6
🗑
|
||||
| Aspartic acid pka | 4
🗑
|
||||
| glutamic acid pka | 4
🗑
|
||||
| histidine pka | 6
🗑
|
||||
| lysine pka | 10
🗑
|
||||
| arginine pka | 12
🗑
|
||||
| cysteine pka | 8
🗑
|
||||
| tyrosine pka | 8
🗑
|
||||
| positively charged R groups will be ____ if _____ | positive (+1, pka>ph
🗑
|
||||
| negatively charged R groups will be ____ if ____ | negative (-1), ph>pka
🗑
|
||||
| The charge on the alpha-carboxyl group is neutral if the pH of the solution is ____ and is negative if the pH of the solution is _____. | below 2, above 2
🗑
|
||||
| The charge on the alpha-amino group is positive if the pH of the solution is _____ and is neutral if the pH of the solution is _____. | below 9.5, above 9.5
🗑
|
||||
| how to calculate pL | pI = (pKa1 + pKa2)/2
e.g (pka-alpha-amino + pka-alpha-carboxyl)/2
e.g. (pka-alpha-amino + pka-R group)/2
🗑
|
||||
| go over charges on proteins | in notebook and ch 6 problems
🗑
|
||||
| AA has a pos charge when | ph of solution<pL
🗑
|
||||
| AA has a neg charge when | ph of solution>pL
🗑
|
||||
| What is the charge of histidine below/above pka? | pka=6
ph>pka= neutral-no salt bonds
ph<pka= positive
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
carolanimal
Popular Biochemistry sets