Answer:
B
Explanation:
Both of the original DNA strands act as templates during replication. This option is correct.
I would say that the given statement is false. Overexertion in extremely hot temperatures does not help the body to cool itself. <span>Overexertion in hot weather or working in hot, poorly ventilated or confined areas can increase your risk of heat stress. Hope this answers the question. </span>
The statement which explains why muscle cells and skin cells do not look and act the same is this: THE GENES IN EACH TYPE OF CELL ARE BEEN EXPRESSED DIFFERENTLY.
All the cells in human's body has the same set of genes, this is because, all the cells in the body originated from a single fertilized egg. Even though all the cells in the body has the same origin, they are different from one another because, the cells use the same set of genes differently.
Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
