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SSSSS [86.1K]
3 years ago
10

The belief that children's immune systems need to be exposed to viruses and bacteria in order to strengthen them, but that child

ren are overprotected from this exposure, is called the _____.
Biology
1 answer:
Fudgin [204]3 years ago
6 0
This belief is called the hygiene hypothesis which is not completely valid and tested as truth and applicable to all cases. This states that once a child is exposed more to viruses and bacteria, the child becomes immune to sicknesses. Of course, this takes all the factors to play to determine the index of a child's immunity to illnesses.
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Copying genetic information from dna into rna is called __________; using the information contained in mrna to make a polypeptid
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Genetic information from DNA to RNA is called transcription which involves the enzyme RNA polymerase. The DNA is read from 3' to 5' in direction and produces an mRNA (messenger RNA) which contains the genetic data from the DNA. This mRNA strand is further processed in the nucleus (capping and adding a poly-A tail) before being transported to the cytoplasm. 

The information contained in mRNA is used to make a polypeptide chain is called translation. This involves the use of ribosomes in the cytoplasm which attach themselves to the mRNA strand then using tRNA (transfer RNA) to add amino acids to the elongating polypeptide depending on the codon in the mRNA.
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2 years ago
A group of tissues that work together to perform
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Answer:

1

Explanation:

An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.

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3 years ago
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In the antarctic region, biologists noticed a sudden drop in the death rate of penguins. How will this affect their population?
frez [133]
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Barney woke up this morning and ate a donut and some orange juice. Then he had three slices of pizza for lunch. He had football
pentagon [3]

Answer:He Died (I think)

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2 years ago
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the maximum size of a cell is limited by . view available hint(s)for part a the maximum size of a cell is limited by . its need
mart [117]

The organism's cells are constrained by their varying shapes and sizes. Due to the need for surface area to exchange gases, the size distribution of the cell has been limited. Thus, option a is correct.

<h3>What is a cell?</h3>

The smallest unit of an organization that is essential for life is known as a cell. The different cells' varying sizes and shapes enable them to carry out various functions and activities.

The size distribution of the cell has been influenced by the cell's requirement for a cell surface area and volume in order for the exchange of gases to actually happen.

Therefore, option a. the cell size is influenced by surface area and gas exchange.

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