Answer:
C
Explanation:
protein with a slightly different sequence of amino acid would be made based on the B strand
Answer:
D. Spindle Fibers
Explanation:
During anaphase, the centromeres of each chromosome split and the mitotic spindle pulls the sister chromatids apart.
All of the above is the answer
I would wait for a second opinion, because the question is phrased in such a way that is confusing.
None of the statements contain scientific evidence except for the last one, but the last statement is false.
If you were being scientifically accurate, you would answer the first statement as true and the rest false.
The second statement actually has evidence to back it up, but the evidence provided is incorrect.
Answer: C. The sign of the enthalpy of the reaction reverses.
Explanation: Enthalpy of a reaction is the net heat absorbed or released during a chemical reaction.It is represented by
. It is negative for exothermic reactions in which heat is released and is positive for endothermic reactions in which heat is absorbed.
When a chemical reaction is reversed the heat of the reaction changes its sign.

The decomposition of calcium carbonate is an endothermic reaction as heat is required to break the bonds and thus energy is absorbed.

When the reaction is reversed, the reaction becomes exothermic as now bonds are getting formed and energy is released.