organisms are always in competition for resources such as food and water or simply just for space.
The pulmonary vein carries oxygenated blood from the lungs to the left atrium
Some viruses contain both DNA and RNA as their genetic material is NOT true of viruses (option D).
<h3>What is a virus?</h3>
A virus is a non-living entity that needs a suitable host to reproduce its genetic material (DNA or RNA).
Viruses may contain a genetic material composed of other DNA or RNA but not both.
In conclusion, some viruses contain both DNA and RNA as their genetic material is NOT true of viruses (option D).
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Answer:
the organelle that regulates cell function and contains the DNA is a nucleus
<span>The answer is nuclie.
Cardiac muscle is an involuntary, striated muscle that is found in the walls and histological foundation of the heart. The cells that constitute cardiac muscle, called cardiomyocytes or myocardiocytes, predominantly contain only one nucleus, although populations with two to four nuclei do exist. Therefore more the cell with nuclie more the cardiac muscle strength.</span>
