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.
A Lipid because it's a fresh osmosis they are always active
Answer: Shared
Explanation: A covalent bond involves electrons being shared between atoms.
Answer:
Carbohydrate intake before trial.
Explanation:
