The chromosomes contain the hereditary information in the form of ...

[robinn137]

The chromosomes contain the hereditary information in the form of ________ and this is the code for building all the molecules in the body.
 
  A) DNA
  B) RNA
  C) protein
  D) cytoplasm
  E) none of the above

Question 2

The charge on the sulfur in the compound copper sulfide, Cu2S, is ________.
 
  A) neutral
  B) -1
  C) -2
  D) +1
  E) +2

Question 3

What potentially negative aspects of chlorinated hydrocarbons like DDT make them potentially detrimental to the environment?
 
  A) They are not water soluble.
  B) They do not degrade rapidly.
  C) They accumulate in fat.
  D) all of the above
  E) only A and B

[kjo;oj]

Answer to Question 1

A

Answer to Question 2

C

Answer to Question 3

D

[robinn137]

Wow, this really help

[raenoj]

Excellent