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

Author Question: The mass number of Br-81 is ________. A) 81 B) 79.904 C) 79 D) 46 E) ... (Read 49 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
The mass number of Br-81 is ________.
 
  A) 81
  B) 79.904
  C) 79
  D) 46
  E) 35

Question 2

Collagen is an example of a(an)
 
  A) enzyme.
  B) structural protein.
  C) storage protein.
  D) transport protein.
  E) hormone.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

A

Answer to Question 2

B



melly21297

  • Hero Member
  • *****
  • Posts: 565
Both answers were spot on, thank you once again



harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Great! Please up vote :D



 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library