Microinjection is a simple mechanical process usually involving an inverted microscope with a magnification power of around 200x (though sometimes it is performed using a dissecting stereo microscope at 40–50x or a traditional compound upright microscope at similar power to an inverted model).
Answer:
The correct statement is - option B.
Explanation:
Unmyelinated axons are the axon that lacks the covering of scwann cells that form the myelin sheath which helps in the transfer or transmit the signals faster and more effectively in neurons. It acts as the insulating layer.
In absence of the myelin sheath, the action potential found everywhere along the length of the axon which leads to slow propagation than in myelinated axons.
Thus, the correct answer is - option B.
Function of an enzyme is to lower reaction's activation energy and to increase speed of a reaction, but to make it happen, enzyme and substrate must fit spatially. The shape of an enzyme is essential to make enzyme-substrate complex - if active site of an enzyme doesn't fit to substrate, there won't be a enzyme-catalised reaction.
Individuals with chronic alcoholism are predisposed to intracranial bleeding and hypoglycemia secondary to abnormalities in the (c) liver.
Intracranial bleeding is the bleeding that occurs inside the skull. This leads to accumulation of blood that exerts pressure on the brain, ultimately leading to brain damage. The causes for bleeding can be various like: trauma, rupture of blood vessel, high blood pressure, or tumors.
Hypoglycemia is the condition of low levels of sugar in the blood. The most common reason for this condition is the medications taken to control diabetes. However, it can also happen due to other reasons. The general symptoms of the conditions are: palpitations, anxiety, confusion, etc.
To know more about hypoglycemia, here
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