This topic contains a solution. Click here to go to the answer

Author Question: The pH at which the positive and negative charges of an amino acid balance each other is called the ... (Read 7 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
The pH at which the positive and negative charges of an amino acid balance each other is called the
 
  A) isoelectric point.
  B) isobaric point.
  C) isobestic point.
  D) isotonic point.
  E) isomer point.

Question 2

Adding one neutron to the nucleus of an atom
 
  A) converts it to an isotope of the same element.
  B) increases its atomic mass by two units, but does not change its atomic number.
  C) increases its atomic number by one unit but does not change its atomic mass.
  D) does not change either its atomic number or its atomic mass.
  E) converts it to an atom of a different element.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chocorrol77

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

A

Answer to Question 2

A




bio_gurl

  • Member
  • Posts: 524
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library