Answer:
d
Explanation:
reservoirs are places were water are held for a lond period of time. Do a lake or ocean is a place where water is held for a long period of time.
Answer: Disinfectant is a chemical formulation which may include biological components used to reduce the population of a microbe from a living or dead surface.
Explanation:
The plant tissue is treated with a disinfectant before culturing it and growing new plants. This is done to remove dirt, dust, foreign particles like pollen, microbes from the plant tissue surface or from plant part. This help in growth of disease free and contamination free plants. The culture can be utilized for different cycles of plant growth as it remains free from any kind of contamination.
The iron nail produces electric current that attracts the pieces of iron is the right one.
a). Calcium ion and ATP
Explanation:
The excitation and contraction of the muscles takes place by Action potential creation.
The muscle contraction is initiated when calcium ions binds to troponin. The binding of calcium with protein complex troponin changes the configuraton to make actin sites active for ATP binding. This binding causes myosin to reach the state of high energy ( excitation), in which myosin head gets detach from the active site.
Answer: GENE FLOW
From an evolutionary point of view, what important process occurs when a young male baboon leaves the troop that he was born in to join another troop?......GENE FLOW.
Explanation: Gene flow is also called MIGRATION. It's simply the transfer of gene/genetic materials from one population to another.
It can also be referred to as the movement of an individual or animal from one popularity to another.
Example; Pollination which involves a bee or butterfly catering pollen grain from the anther of a flower to the stigma of another flower, in essence moving the pollen grain from one population to another population