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.
Maintenance of normal sinus rhythm
antidysrhytmic drugs are used to treat abnormal rhythm of the heart. Abnormal rhythm is usually due to the irregular electrical stimulation of the electrical activity of the heart. This can work by correcting the cardiac function there are four classes of this drugs such as Class I for sodium channels, Class II which are the beta blocker, Class III which are the drugs that prolong repolarization and Class IV which are the calcium channel blocker.
<span>Out of the following given
choices;</span>
A. The Geiger counter
being used to detect radiation is broken.
B. Two or more samples
we accidentally swapped, causing confusion.
C. A virus contaminated
the reaction in which the probe was made.
D. The human genome
might contain at least one viral gene.
The answer is D. This means that the viral DNA inserted itself
in the human tissue DNA aand became a prophage. A prophage is a latent form of
viral infection where the inserted viral DNA has no interference with the host
cell biochemical processes. The prophage will be present in the daughter cells
of the host cells.
You can physically see the phenotype of a trait, but not the genotype.