If the germs in a vaccine we're not dead or deactivated then the vaccine would

Biology

1 answer:

Morgarella [4.7K]2 years ago

6 0

It would infect the host as if it were the full strength version of the "germ".

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A scientist is investigating the effects of electromagnetic radiation on plant growth. She wants to test the plants with two dif

Sladkaya [172]

Answer:

Explanation:c

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2 years ago

In late adulthood, Mr. Klondike has become increasingly likely to make a socially impolite remarks about other people's appearan

xz_007 [3.2K]

Answer:

frontal

Explanation:

In a mammalian brain, there are four major lobes that are present and one of them is the frontal lobe.
The frontal lobe is mainly rich in dopaminergic neurons and thus, it is mainly concerned with functions such as memory, reward, motivation, planning, attention, etc.
The process of break down of tissues and cell death in the tissues is referred to as atrophy and since the frontal lobe is associated with the functions as mentioned above its atrophy would lead to a slow decline in these functions.
Since Mr. Klondlike behavior is changing his blunt comments are most likely a result of atrophy of the frontal lobe.

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2 years ago

In phase-contrast microscopy, the differences in refractive indices between organisms and their environments are utilized for be

mina [271]

Answer:

True

Explanation:

In phase-contrast objective and a phase contrast optical systems is equipped with Light microscope .

Phase contrast microscope is used to differentiate unstained structures in a cell that differ in refractive indices and thickness. Thus it is usefull for examining living unstained organisms.

Light that passed through materials of different refractive index and/or thickness will undergo a change in Phase. The difference in phase or wave front irregularities cause variation in brightness of the structures.

Hoping this might help!!!

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2 years ago

How do you tell if a dog is pregnant?

nasty-shy [4]

During the first 2-3 weeks you will not see any physical signs. Look at your dog's nipples, for if it is pink, that may be an indication. Be sure to observe your dog's body and it's weight.

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2 years ago

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We used the enzyme, taq polymerase, which is derived from the thermus aquaticus bacterium, in our pcr procedure. Why is this enz

wel

The enzyme Taq polymerase is required in the PCR process because it is the main enzyme that synthesizes the new DNA strands complementary to the template strand and without the activity of this enzyme the PCR will be useless and it cannot make the copy of the given strand in any way. Thus, this enzyme is very much necessary for the efficient working of the PCR.

Polymerase Chain Reaction is a very efficient technique that can able to detect and copy even a small amount of DNA by performing a set of reactions at different temperatures.

The PCR process begins with the denaturing of the template strand at 95°C, followed by annealing in which the appropriate primers bind to the single strands of DNA at 50-56°C, followed by extension at 72°C in which the thermostable Taq polymerase synthesizes the strand complementary to the template DNA.

Learn more about PCR here

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1 year ago