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Leona [35]
2 years ago
10

How did measles become infectious to humans? Where do measles originate?

Biology
1 answer:
vodomira [7]2 years ago
7 0
Measles became infectious to humans

[Removed pubmed source because it provided no useful information]

Measles is known as a RNA virus.  This is similar to DNA but is used to copy viruses.

I would suggest you looking into Kurzgesagt and his video on measles as he has very good explanations for multiple topics : https://www.youtube.com/watch?v=y0opgc1WoS4
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Which region of your brainstem plays a role in arousing you to a state of alertness when, for example, you accidentally stumble
torisob [31]
The region of the brainstem that plays a role in arousing you to a state of alertness would be the reticular formation. It is responsible in regulating the sleep cycles and in detecting sensory conditions. It consists of more than 100 neural network that are for various functions.
8 0
3 years ago
Which of the following properties does NOT play a role in trees growing to towering heights by moving water from roots to leaves
jarptica [38.1K]

Answer:

The correct option is;

Water absorbing energy in large amounts to increase energy by a degree of temperature

Explanation:

The growth of trees to towering heights has to do with the formation of plant cell walls which are built by the aggregation Glucose molecules to form Cellulose molecules. The cellulose molecules further combines to form microfibrils by forming hydrogen bonding. The microfibrils that combine to make cell walls

Therefore, the growth of a tree is dependent on the formation of hydrogen bonds between water molecules to enable uptake of water into the plants which enable photosynthetic reaction that result in the formation of glucose

The transpiration, which is the conversion of water into vapor or gas at the leaves facilitates the uptake of more water for the formation of more glucose molecules and creation of hydrogen bonds

The hydrogen bonds between chlorophyll molecules is facilitated by forming hydrogen bond with water molecules.

6 0
2 years ago
2.2 Landforms at Plate Boundaries
lana66690 [7]

Answer:

dang

Explanation:

6 0
2 years ago
Provide evidence to reject this statement, "Human phenotypes are usually a clear cut either situation"
tensa zangetsu [6.8K]
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8 0
3 years ago
Read 2 more answers
What global climatic change gave gymnosperms an advantage over ferns?
luda_lava [24]

Answer:

it is D

What global climatic change gave gymnosperms an advantage over ferns?

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B) the climate becoming hotter and wetter

C) the climate becoming cooler and drier

D) the climate becoming hotter and drier

4 0
3 years ago
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