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Setler79 [48]
3 years ago
11

How do viruses cause disease? Please answer with complete sentences.

Biology
1 answer:
Norma-Jean [14]3 years ago
5 0

Answer:

Virulence, the capacity to cause disease, varies markedly among viruses. Some viruses cause lethal disease while others do not. For example, nearly all humans infected with rabies virus develop a disease of the central nervous system which ultimately leads to death. In contrast, most humans are infected with circoviruses with no apparent consequence.

Explanation: One explanation for viral virulence is that it facilitates transmission. However, a comparison of infections caused by two enteric viruses, poliovirus and norovirus, does not support this general view. Both viruses infect the gastrointestinal tract and are spread efficiently among humans by fecal contamination.

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How to find the formula for the nth term​
snow_tiger [21]
“The nth term of the following types of sequences can be found out using the following Formulas:

1.Arithmetic Progression(AP) : here, the consecutive terms differ by a common difference (d).

tn= a+(n-1)d

Where,

a= is the first term of the sequence,

n= nth term

d= common difference

2. Geometric Progression(GP):

Here, the consequtive terms differ by a common ratio (r).

Tn= ar^(n-1)

where,

a = first term

r = common ratio

tn= nth term

3.Harmonic Progression (H.P):

It is the reciprocal of AP.

To find nth term of a HP, first convert it into AP and then apply the tn formula for the sequence and take the reciprocal of the obtained tn again.

Hope the answer helps you!!”
3 0
3 years ago
What structures does micro algae,elodea,maple leaf, an root hair have in common
slega [8]

Answer:

The structures they have in common are nucleus, vacuole, cell wall and membrane.

Explanation:

The structures they have in common are nucleus, vacuole, cell wall and membrane and these structures perform different functions.

The nucleus is a membrane bound organelles found in the cell that regulate all cellular activities like metabolism.

Vacuole is a structure found in the cell cytoplasm which is use for storage, digestion, excretion and so on.

Cell wall is a layer surronding the cell to give rigidity, protect and give structural support to cells.

Membrane is a structure that separate the internal of the cells from the exterior or environment.

3 0
4 years ago
What organisms make their own organic compounds needed for life functions?
NISA [10]
That would be a plant. Like a tree, Flower, Hedge, etc. That is because of Photosynthesis. Photosynthesis is a chemical reaction that makes compounds (glucose) by capturing light from its leaves, and water from its roots.
 
Hope this helps.
3 0
3 years ago
An ecosystem could probably survive without
Sav [38]
Hi There! :)

<span>An ecosystem could probably survive without?

</span><span> soil.</span>
4 0
4 years ago
Which of the following events does NOT take place in the light reactions?
Setler [38]

Answer:

B) Conversion of 3PG to G3P

Explanation:

Conversion of 3PG (3 phosphoglycerate) or 3 phosphoglyceric acid is a reduction reaction step of the Calvin cycle, it does not take place during light reaction of the photosynthesis. The 3PG is converted into molecules of glyceraldehyde-3-phosphate (G3P) using ATP and NADPH. Generation of NADPH from NADP+, Photolysis or splitting of splitting of water that releases an electron and synthesis of ATP from ADP + Pi occurs during light reactions.  

6 0
3 years ago
Read 2 more answers
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