Viruses can only replicate with in a cell or living tissue applies to a viral infection.
Viral infections are infections that are caused by viruses. Viruses are microscopic organisms that contains a core of genetic material (DNA or RNA) enclosed by a protein coat. Viruses are not made of cells and they are very tiny and smaller than bacteria. Viruses require a living cell (host organism) to replicate and produce other viruses similar to them. Viral infections cannot be treated with antibiotics, antiviral medicines are used instead. Examples of viral infections include; common cold, flu, smallpox, HIV/AIDS and Ebola.
Most synapses in our body uses the acetyl choline neurotransmitter.
Answer:
Coronary angiography
Explanation:
Chronic stable angina occurs when the heart needs more oxygen during strenuous activities and the chest pain can reduce during rest unlike for unstable angina that is due to narrowing of blood vessels that can be examined through Coronary angiography. So the blood vessels in stable angina are not narrowed like in unstable angina
Answer:
An abiotic factor is a non-living part of an ecosystem that shapes its environment.
This statement is true. Amniocentesis is a medical test to diagnose any chromosomal abnormalities and fetal infections before the mother labors. It is also for the use of sex determination in which small amount of fluid is extracted from the uterus which contains the tissues and cells of the developing fetus.