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muminat
3 years ago
15

C) Why are vaccines important in preventing infections of more dangerous viruses?

Biology
1 answer:
Assoli18 [71]3 years ago
4 0

Answer:

Vaccines are important in order to prevent infections of more dangerous viruses because with the help of vaccine body makes antibodies which helps in protecting the body against viruses.

Explanation:

There is no medicine present in vaccines. Vaccine contains dead virus which is injected in the body. When the immune system detect these viruses, they make antibodies that are effective in controlling the virus. When these viruses attack again, the body is prepared for it.

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Census data show that the human population doubled from 2.65 billion in 1953 to 5.3 billion in 1990. If it continues to double a
madam [21]

The question is incomplete, the complete question is;

Census data show that the human population

doubled from 2.65 billion in 1953 to 5.3 billion

in 1990. If it continues to double at this rate,

the human population could reach 10 billion

by the year 2020. Which BEST explains how

this rate of human growth can harm the

environment on which humans depend?

A. by gradually making up more available energy

B. by using resources faster than they can be

replaced

C. by changing how matter cycles through an

ecosystem

D. by increasing the variety of ecosystems that are

Answer:

by using resources faster than they can be

replaced

Explanation:

As population of the world continues to grow, there is greater demands for resources which are obtained from the environment such as crude oil for energy, solid minerals for various applications, wood for furniture etc.

Demand for these materials increase exponentially as population increases thus they are extracted at a faster rate than nature can replace them. This will eventually harm the environment on which humans depend as population increases.

7 0
2 years ago
Read 2 more answers
What that determines if a cell is eukaryotic. *
Dmitry_Shevchenko [17]
To determine whether a cell is a eukaryotic or
prokaryotic cell, one can observe certain features.
If the cell in the question possesses a well-defined
or definite nucleus and have membrane-bound
organelles such as mitochondria, chloroplasts,
Golgi apparatus, endoplasmic reticulum, the cell is
eukaryotic. If the cell has nucleoid or indefinite
nucleus and without membrane-bound cell
organelles, the cell is prokaryotic. If ribosomes in
a cell are the 80S (S=Svedberg units) type, the cell
is eukaryotic and if ribosomes are 70S type then it
is prokaryotic.
6 0
2 years ago
Read 2 more answers
How is mass transit in cities a possible solution tk urban air pollution?
bearhunter [10]
Mass transit can help reduce air pollution in urban cities because there are fewer cars on the roads, creating less pollution.
5 0
3 years ago
What is the correct sequence of molecules involved in protein synthesis from beginning to end?
xz_007 [3.2K]

Answer:

DNA → mRNA → tRNA → Protein

DNA → mRNA → tRNA → Protein

Explanation:

This is because during protein synthesis, DNA is use to make RNA in the process called transcription. The DNA double strand is unwind by an enzyme called RNA polymerase to produce mRNA in the nucleus. The trans is produced in the nucleolus by RNA polymerase 1 and the site then binds aminoacyl tRNAs which is assembled in the RIBOSOMES. The tRNA are then translated into protein.

8 0
2 years ago
What type of molecule can easily diffuse through the plasma membrane without any help? Why?
babunello [35]
Water diffusion is called osmosis. Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
7 0
3 years ago
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