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ivann1987 [24]
3 years ago
11

Can Organisms decide to change their traits

Biology
1 answer:
Nata [24]3 years ago
6 0

Answer: The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species.

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List and describe the role of the 3 types of rna.
steposvetlana [31]

<span>There are three RNAs with a role in the synthesis of protein.</span>

mRNA, or messenger RNA, is the link between a gene and a protein. The main role of this ribonucleic acid is in transcription (”reading“) of DNA. The DNA is transcribed by RNA polymerase, and the resulting product of this process is mRNA. This form of RNA can be modified post-transcriptionally with methylguanosine caps and polyadenosine tails. RNA carries the genetic information which is copied from DNA and the information has a form of three-base code (“words”), codons. Each of these codons specifies a particular amino acid.

tRNA or transfer RNA is the molecule with the main function in translation by "decoding" the mRNA message during this process. Each type of amino acid has its own type of tRNA and also has a three-base sequence (anticodon) that can bind complementary with the codons in the mRNA.

rRNA or ribosomal RNA is a main component of ribosomes. rRNA associates with a set of proteins to form ribosomes which catalyze the assembly of amino acids into polypeptide chains (protein).

 

<span>There are also a few more types of RNA which have a regulatory function like, microRNA or siRNA.</span>

4 0
2 years ago
The cell membrane is made up of a double layer called dna bilayer
GrogVix [38]

Answer:

The cell membrane is composed mainly of phospholipids, which consist of fatty acids and alcohol. The phospholipids in the cell membrane are arranged in two layers, called a phospholipid bilayer.

Explanation:

8 0
2 years ago
What are you determining when you calculate volume
Levart [38]

The amount of space an object has

5 0
2 years ago
Which forms of viral hepatitis are transmitted through the fecal-oral route?
e-lub [12.9K]

Answer:

Hepatitis A

Explanation:

  • Amongst the several types of viral hepatitis, it is hepatitis A that can spread through the fecal-oral route.
  • Usually, a person can acquire hepatitis A if he/she ingests contaminated food or water, further it can also spread through direct contact with the infected person.
  • due to its transmission through the fecal-oral route, lack of good sanitation practices and hygiene are the major causes for its spread.
5 0
3 years ago
Ne<br><br> Name the element? <br> Number of shells? <br> Valence electrons?
AlladinOne [14]

Answer:

Neon

2 shells

Valence e is 8

3 0
3 years ago
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