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anyanavicka [17]
3 years ago
12

Where is the dependent variable plotted on a graph?

Biology
1 answer:
grigory [225]3 years ago
6 0

Answer:

"dependent” variable goes on the y-axis (the left side, vertical one).

Explanation:

an example would be measuring test scores

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Mutation <br>Which of the following types of mutation is illustrated below?<br>​
Rzqust [24]

Answer:

Substitution

Explanation:

instead of a C it's a G.

5 0
3 years ago
What is an example and non-example of a ribosomes
bija089 [108]

Also, it is made up of water and contains enzymes, organelles, salts and various organic molecules. Furthermore, cytoplasm functions by supporting and suspending organelles and cellular molecules. However, example of cytoplasm includes: mitochondria, ribosomes while nucleus is an example of non-example of cytoplasm.

6 0
3 years ago
From a chemical view, how is an amino acid is being recognized by its specific aminoacyl tRNA synthetase?
hammer [34]

During translation, rRNA and tRNA read mRNA in 5´ to 3´ direction. According to the codons being readen, tRNA transfers the correct amino acids to build the polypeptide chain. A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly.

Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid through the action of the aminoacyl-tRNA synthase enzyme. The whole complex, amino acid + enzyme + tRNA is named aminoacyl-tRNA.        

Each tRNA is recognized by a specific aminoacyl-tRNA synthase enzyme. The enzyme is also capable of recognizing a specific amino acid. Let us say, for instance, that <em>tRNA is specific for phenylalanine.</em> The molecule is attached to the <em>enzyme that is specific for that tRNA(Phe)</em>. Then, when the enzyme and tRNA(Phe) are together, they get to <em>find phenylalanine</em>. The <em>enzyme links the aminoacid to the RNA</em>. Once the whole complex is formed, the <em>tRNA gets to pair its anticodon with the mRNA codon</em>. This is,

  1. Recognition of enzyme and the specific tRNA(aa) ⇒ aa being aminoacid
  2. Recognition of enzyme and the specific aminoacid
  3. Linkage of the aminoacid to RNA by the enzyme action
  4. Pairing of tRNA anticodon to mRNA codon.

Considering that there are twenty amino acids available, there are also twenty complexes of aminoacyl-tRNA, one for each amino acid. Each of the mRNA codons represents one of the 20 amino acids used to build the protein. Each amino acid can be codified by more than one codon. Of the total 64 codons, 61 codify amino acids, and one is a start codon. The left three codons are stopping translation points.

tRNA decodes genetic information from the nucleotidic sequence in the mRNA molecule and allows amino acids to align composing the new protein.  

Once the new peptidic link joins, placing together the new amino acid to the growing peptidic chain, the binding between the amino acid and the tRNA molecule breaks. The tRNA is now free to join another amino acid and repeat the cycle.

In conclusion, a specific aminoacyl-tRNA synthase enzyme recognizes a tRNA, which is also specific for a certain amino acid. When together, the enzyme recognizes the amino acid and links it to the RNA. The whole complex is known as aminoacyl-tRNA. Once the tRNA is joined to its amino acid, it gets to pair a codon of mRNA to add that amino acid to the new synthesizing protein.

6 0
2 years ago
Briefly describe the process you can use if you cannot find an ebp that matches your students and your resources.
luda_lava [24]
;ld;ldf d;lj lkdsjf lkds fj a;lkdjf lkdj fklsd jldsf jlkd fa;ls d fjkl;d f;aslf jlkds  f;lkf jewiory kjdfj kldfj dkfldk f;lkdafj;ldkf hahahahahahaha get trolled

8 0
3 years ago
A paleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo bird. The researcher woul
slava [35]

Answer:

c)polymerase chain reaction (PCR).

Explanation:

Because the paleontologist recovered only a bit of tissue  and it is very old, it is very likely that the DNA in the sample is very small and part of it is degraded. Anyway, the paleontologist must first amplify the DNA sample to obtain many identical copies of the specific region of the DNA they want to compare. the above is done through a polymerase chain reaction (PCR).

8 0
3 years ago
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