Answer : Option B) Density - dependent factor.
Explanation : Typhoid outbreak is dependent of the density as the people of the region are getting the water from the same source so, the density of the area is also an influencing factor in spreading the disease. The bacteria is also getting transmitted from one human to other human too.
Answer:
is A.
Explanation:
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated Na+ channels. Na+ ions enter the cell, further depolarizing the presynaptic membrane. ... Fusion of a vesicle with the presynaptic membrane causes neurotransmitters to be released into the synaptic cleft.
Answer:
It has physically increased in size. Often, growth of a multicellular organism occurs as more cells are created. In unicellular organisms (like bacteria), growth still occurs. ... For this reason, most biologists will tell you that development only occurs in multicellular organisms, not in unicellular ones.
Karyotyping can be used to detect a variety of genetic disorders. For example, a woman who has premature ovarian failure may have a chromosomal defect that karyotyping can pinpoint. The test is also useful for identifying the Philadelphia chromosome. Hope this helps :)