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Setler [38]
2 years ago
12

What are the two types of immunity

Biology
1 answer:
Ira Lisetskai [31]2 years ago
5 0

Answer:

There are two types of immunity: active and passive.

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What will happen to the amount of prairie ecosystem if ice age?
kherson [118]
<span>An ice age is the amount of the Earth's water that is locked up on land in the form of glaciers.
</span>According to the scientists, an ice age occurs every 100,000 years. There are five major ice ages in the Earth's history. That are the Andean-Saharan, Huronian, Karoo Ice Age, Cryogenian, and the current Quaternary glaciation.
But, If we entered another ice age currently, it would increase the amount of locked water in the form of glaciers and hence it would have huge consequences for human civilization and the ecosystem. 
8 0
3 years ago
Sodium chloride is made up of a positive sodium ion and a negative chloride ion. Therefore, it is an example of
Anastaziya [24]
<span>Sodium chloride is an example of an ionic compound. An ionic compound is composed of a positively charged cation and a negatively charged anion that are held together by their attractive forces. For table salt, Sodium chloride, Sodium is the cation and Chloride is the anion. </span>
3 0
3 years ago
How can scientists learn about the mantle if they cannot study it directly?
stellarik [79]
By asking it
Sinply ask
Thats why we were given a mouth
To use it
Or be built different
3 0
3 years ago
Select the three correct answers.
loris [4]

Answer:

a, b, c are correct

Explanation:

Enhancers are DNA sequences that increase the rate of transcription. Enhancers act as binding sites for transcription factors that stimulate the transcription of one or more genes and enhancers stimulate transcription for specific cell type or tissue in a specific manner. The possible reasons for the lack of enhancers in bacteria include.

Enhancers often provide a mechanism for cell-specific transcription of genes, and most bacteria lack differentiated cell types.

Bacterial operons make coordinate regulation of protein synthesis by enhancers unnecessary.

There is little to no intergenic space on bacterial chromosomes, which makes long-range-acting enhancer sequences unnecessary.

Therefore, the correct options are (a), (b), and (c).

7 0
3 years ago
Which of the following is an example of sensors working during homeostasis?
Keith_Richards [23]
D) energy demands triggering a release of glucose.

Notice how the stimulant (low energy supply) triggers a restoration (normalizing) of a normal balance, which in this case is increasing energy supplied (glucose).
This process is called "homeostasis," or maintaining an internal balance.
8 0
3 years ago
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