« previous next »

Author Question: There are 20 different amino acids. What makes one amino acid different from ano (Read 796 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jun 5, 2013
There are 20 different amino acids. What makes one amino acid different from another?
A) different side chains (R groups) attached to a carboxyl carbon
B) different side chains (R groups) attached to the amino groups
C) different side chains (R groups) attached to an α carbon
D) different structural and optical isomers
E) different asymmetric carbons


ricki

  • Full Member
  • ***
  • Posts: 200
Reply #1 on: Jun 6, 2013
Try this as the answer C. Hope it helps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

camila

  • Hero Member
  • *****
  • Posts: 705
Reply #2 on: Jun 6, 2013
Thanks :-*


« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Formation of Acid Rain Formation of Acid Rain
Nucleic acids. Nucleic acids.
Pathway for synthesis of polyunsaturated fatty acids (PUFAs) in plants and animals Pathway for synthesis of polyunsaturated fatty acids (PUFAs) in plants and animals
Catabolism of uric acid to ammonia and CO2 Catabolism of uric acid to ammonia and CO2
Acid–Base Balance Acid–Base Balance
Proteins are built from amino acids. Proteins are built from amino acids.
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library