Answer:
Sex linked is a trait in which a gene is located on a sex chromosome. In humans, the term generally refers to traits that are influenced by genes on the X chromosome. This is because the X chromosome is large and contains many more genes than the smaller Y chromosome.
I choose the option C.
N2 + 3H2 = 2NH3
At neuromuscular junctions, a neurotransmitter called as acetylcholine if found. Botulinum toxin inhibits the transmission of acetylcholine at the synaptic junctions. Botulin toxin acts at presynaptic junctions and blocks the release of acetylcholine, leading to paralysis.
• a liver is transplanted from a donor to a recipient - adaptive immune response (via T killer cells or B cells)
• a person is injected with the typhoid vaccine-adaptive immune response (The immune response to vaccination may not be perceived as illness but still confers immune memory)
• swelling occurs around the area of a scratch-innate immune response (inflammation)
• a person has a high fever during a viral infection-innate immune response(includes substances called interferon and interleukin-1 which causes fever).
