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

Author Question: Amino acids in solution contain both a negative and positive charge and thus are termed a(n) A) ... (Read 94 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
Amino acids in solution contain both a negative and positive charge and thus are termed a(n)
 A) anion.
  B) cation.
  C) acid.
  D) base.
  E) zwitterion.

Question 2

If the pacemaker cells in the SA node become more permeable to potassium ions, the
 A) heart rate will increase.
  B) heart rate will decrease.
  C) cells will depolarize.
  D) cells will hyperpolarize.
  E) heart rate will decrease and cells will hyperpolarize.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

al

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

E

Answer to Question 2

E



olgavictoria

  • Hero Member
  • *****
  • Posts: 528
Both answers were spot on, thank you once again



al

  • Sr. Member
  • ****
  • Posts: 344

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library