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.
I have a runny nose and things are dirty.
Answer:
B and C are correct
Explanation:
Gelatin also referred to as hydrolyzed collagen.collagen is a structural protein in animal and undergoes hydrolysis to form gelatin.
Gelatin appears as a translucent, colorless and flavorless food ingredient used as gelling agents in food, drugs and cosmetics.
When dry it is bristle and becomes gummy when moist.
Gummy bears are known for their chewiness and gelatin gives them the chewiness.
Answer:
Asia - China (followed by India)
north America - USA (closely followed by canada)
european - Russia ( followed by Germany)
oceanic - Australia
