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NISA [10]
3 years ago
15

The generation of a knock-out organism generally requires all the following EXCEPT ________. The generation of a knock-out organ

ism generally requires all the following EXCEPT ________. knowledge of the sequence product embryonic stem cells knowledge of the target sequence a targeting vector
Biology
1 answer:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

knowledge of the sequence product

Explanation:

A gene knockout is a technique used in molecular genetics to deactivate target genes in an organism in order to study their functions by reverse genetics (i.e., gene loss). Knockouts are generated by different methods including, for example, homologous recombination or site-specific nucleases (zinc-fingers, TALENS, CRISPR/Cas9). These techniques require to know a priori the sequence of each gene to be knocked out in order to target desired mutations. In the last years, the CRISPR/Cas9 tool has gained attention to knockout genes of interest because it is a genome editing system that can be easily used for deletion or insertion of bases.

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Carbon dioxide comprises approximately what percent of tropospheric gases
posledela

Answer:

69

Explanation:

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3 years ago
If a DNA sequence is altered from TAGCTGA to TAGTGA, what kind of mutation has occurred? View Available Hint(s) If a DNA sequenc
meriva

Answer: Option D

Explanation:

If a DNA sequence is altered from TAGCTGA to TAGTGA, the kind of mutation that has occurred is DELETION.

Deletion is a kind of small-scale mutation in which one or more nucleotides is removed from the DNA. This mutation can alter the reading frame of the gene, and it is irreversible.

7 0
3 years ago
List three changes of state during which energy is absorbed.
mote1985 [20]

The three changes of state during which energy is absorbed are:

1. Change from solid to liquid - Melting.

2. Change from liquid to gas - Vaporization

3. Change from solid to gas - Sublimation

All these changes of state require heat energy to break the attractive forces that hold the particles of the molecules together, so that they can move into more disorderly states. For instance, when heat is applied to a solid, the solid absorbs the heat and use it to break the attractive forces that are holding the molecules of the solid together. At a particular temperature, the attractive forces will be completely overcome and the solid framework will collapse, thus leading to the melting of the solid.

7 0
3 years ago
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What is the role of mRNA in expressing specialized structures
Citrus2011 [14]

The messenger RNA is a single-stranded intermediate molecule that transfers the genetic information from DNA to the cytoplasm, which is used as a template to assemble the chain of amino acids that form a variety of polypeptides. Therefore, mRNA is the blueprint for protein synthesis, which is read according to the genetic code during gene expression.

 

6 0
3 years ago
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Help I don’t know this and it’s due tomorrow
mihalych1998 [28]

There you go! I hope it helped you :)

4 0
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