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.
This is most definitely the definition for a Lipid!
Answer:
Messenger RNA
Explanation:
Messenger RNA carries the instructions for making proteins.
Protein synthesis can be increased by <span>a) turning on gene expression.</span>
