Answer:
2H2+O2->2H2O
Explanation:
You have to balance the equation, you have 4 hydrogen and 2 oxygen atoms
The answer is -1. 2 subtraction signs next to each other for an addition sign
Well if you were asking it was a true or false questions the answer is: True
Answer:
42.9%
Explanation:
the total number of coins is 15+14+6 = 35
so to find the % of pennies, divide the number of pennies by the total number of coins and times it all by 100
15/35 x 100 = 42.9%
The choices for this question can be found elsewhere and as follows:
<span>A. A single polypeptide may have quaternary structure.
B. Hydrogen bonds may hold the polypeptides in contact.
C. A quaternary protein cannot have fewer than two carboxyl groups.
I think the correct answer from the choices is option A. The statement a </span>single polypeptide may have quaternary structure is not true.