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brilliants [131]
2 years ago
9

Which components are needed for the expression phase of the crispr-cas system?.

Biology
1 answer:
Alex17521 [72]2 years ago
4 0

Answer:

The genomic CRISPR locus is comprised of three components: the trans-activating CRISPR RNA (tracrRNA) gene, the Cas gene, and the CRISPR repeat and spacer sequences (Chylinski et al., 2014). These are transcribed into tracrRNA, Cas9 protein, a

Explanation:

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Bear pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown). D is dominant
White raven [17]

Answer:

9/16 black, 3/16 brown, 4/16 white

Explanation:

             BD         Bd          bD         bd

BD     BBDD      BBDd     BbDD     BbDd

Bd      BBDd      BBdd     BbDd      Bbdd

bD      BbDD     BbDd      bbDD     bbDd

bd       BbDd    Bbdd       bbDd     bbdd

A punnet square can be described as a diagram which is made to predict the genotype as well as the phenotypes of the offsprings of a cross.

To study the epistatis nature of the pigmentation in bear, a punnet square was made and the results of the punnet square are shown above.

The results of the punnet square show that the cross between two bears will have the chances of producing 9/16 black bears, 3/16 brown bears and 4/16 white bears.

4 0
3 years ago
All arthropods have similar nervous systems. What are the components of an arthropod's nervous system?
rodikova [14]
The answer regarding the components of an arthropod's nervous system would be item C. It consists of brain, nerve chord, and ganglia. The brain is located dorsally, while the nerve cord together with the ganglia is ventrally structured — extending on each segment of an arthropod’s body.
4 0
3 years ago
Can someone please help me, pick the correct name that fits this description
solong [7]

Answer: its A boiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Explanation:

7 0
3 years ago
During which process is ethanol produced
NNADVOKAT [17]

fermentation process

4 0
3 years ago
Read 2 more answers
Which process can transport substances against the concentration gradient?
anzhelika [568]

Answer:

The answer to your question is: Active transportation

Explanation:

Cell can move molecules in or out of it by two processes: Active or Passive transport.

Active transport:  is the movement of molecules against a concentration gradient. Use proteins or enzymes to happen.

Passive transport: is the movement of molecules or ions from a higher concentration to a lower concentration.

7 0
3 years ago
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