1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
alexira [117]
3 years ago
15

A peptide has the sequence of Gly-Ser-Glu-Leu-Ala-His-Gly-Arg-Leu-Ala-PheCys-Leu. (pKR=4.25, 6.0, 8.2, 12.5. Assume pKa’s of ami

no terminus and carboxyl terminus are 9.6 and 2.3, respectively.) The PI of the peptide is close to:_______
a. 7.1
b. 7.8
c. 5.1
d. 8.2
e. 10.3
Biology
1 answer:
Aloiza [94]3 years ago
8 0

Answer:

The correct answer is option a. "7.1".

Explanation:

One easy way to determine if a peptide sequence is acidic, basic or neutral is to check for the number of amino acid residues that are acidic, basic or neutral. In this case, most amino acid residues are neutral, which mean that under neutral conditions they have a pKa close to 7.0. Particularly, the content of 3 leucine, 2 alanine and 2 glycine residues determines that the peptide have a pI of around 7.1.

You might be interested in
A goiter is an enlargement of the thyroid gland that is associated with abnormal thyroid function. the worldwide incidence of go
nignag [31]
A deficiency in the diet of the element Iodine [I] can lead to goiter. This is why in the U.S. we placed more of it in all table salt ("iodized salt").
7 0
3 years ago
What direction does DNA replication run in?
liberstina [14]
There's a first one, that's called the leading strand. Its the parens strand of the DNA which runs in the 3' to 5' direction to the fork.......
6 0
3 years ago
How is the United Kingdom planning to use driverless cars beginning in 2015?
garik1379 [7]
I think there planning it for races and for people to get in and not have to drive the car while the car does all the work which it has to be really good and possible because if it is not it can have very bad consequences that affect us all badly and may not be the best time to have those things hurt people like they already tried something like this and failed and hurt people lets hope these people will at least exceed because this evention has a good and bad side that we need to make sure it cant become a threat or hurt us
3 0
3 years ago
Read 2 more answers
19. What's evaluated at the G2 checkpoint in mitosis and meiosis?
Vedmedyk [2.9K]

Answer:

D

Explanation:

The G2/M check point makes sure that <u>all of the chromosomes have been replicated.</u>

- <em>Is all DNA replicated?</em>

- <em>Is all DNA damage repaired?</em>

5 0
3 years ago
Read 2 more answers
Which statement best describes herd immunity? To provide cows and other live stock with vaccines so diseased do not spread among
Ugo [173]

Answer:

a To provide cows and other live stock with vaccines so diseased do not spread among farmers and cattle herders.

Explanation:

because that one makes the most sense and it is true

5 0
2 years ago
Other questions:
  • What makes a plant green in the cell?-Alice
    14·2 answers
  • ELISA immunoassay experiment
    11·1 answer
  • How are salts formed?
    10·1 answer
  • A client with a fractured tibia and fibula is to be discharged from the emergency department with a right leg cast and crutches.
    9·1 answer
  • After reading the text in Blackboard, please answer the question: “Which theory do you believe best explains how life on Earth b
    10·2 answers
  • The percent of oxygen saturation of hemoglobin when the temperature is 38 degrees centigrade is
    9·1 answer
  • Which of the following is not a property of an acid?
    14·1 answer
  • Match the following terms to their definitions.
    15·1 answer
  • What is the answer to this
    15·1 answer
  • What is heredity? (1 point)
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!