Answer:
Which of the following mechanisms is used by gram-negative bacteria to cross the blood-brain barrier? D) Inducing TNF
Explanation:
The blood brain barrier is a barrier formed by brain microvascular endothelial cells, astrocytes and pericytes. Pathogens can cross this barrier by using different mechanisms. The Tumor Necrosis Factor (TNF) is the way gram-negative bacteria cross this mentioned blood-brain barrier.
Answer:
Third one down
Explanation:
RR is heterozygous dominant and Rr is heterozygous recessive
Answer:
Emphysema ;A condition often caused by smoking,
Bronchitis ; The inflammation of bronchioles in the lungs
Asthma ; A condition in which an attack can trigger
Pneumonia ; The build up of fluid in the alveoli of the lungs
Explanation:
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