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tangare [24]
3 years ago
8

I need answers for the shark dichotomous key worksheet.

Biology
1 answer:
Stels [109]3 years ago
3 0
It would be the first fish if you look at the first fish it would act like a shark.
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If a DNA sequence is ACCTCG what is its complementary strand?
liubo4ka [24]
It’s A
A=T
C=G
C=G
T=A
C=G
G=C
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Why is Earth's Rotation more important to life? pleas help <br><br> Write an explanation
natta225 [31]

Explanation:

As the Earth rotates, each area of its surface gets a turn to face and be warmed by the sun. This is important to all life on Earth.

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Which nucleotide bases are purines?
monitta

Answer:

a. adenine and guanine

Explanation:

A purines nucleotide is a combination of the heterocyclic aromatic rings, the imidazole and pyrimidine ring.  

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3 years ago
You've discovered a gain-of-function mutant E. coli strain that makes red colonies on plates containing normal minimal medium; w
Komok [63]

Answer:

The correct answers are options

B. "Sequencing reagents, such as dNTPs, ddNTPs, and DNA polymerase".

C. "A computer to blast the base pair sequence of the bacterial genomic insert against the genome sequence of your E. coli strain".

F. "An E. coli genomic library made from the mutant strain".

I. "A sequencing primer that hybridizes adjacent to the insertion site of the bacterial genomic fragment in the library plasmids, and pointing in the 5'-to-3' direction towards the bacterial genomic DNA insert".

Explanation:

Plasmid library transformation approaches are very useful to characterize novel mutant bacterium strains. In order to perform a characterization study of this kind, several reagents and tools are needed, including:

- "Sequencing reagents, such as dNTPs, ddNTPs, and DNA polymerase". One important part of knowing what makes novel mutant bacterium different is to sequencing its DNA.

- "A computer to blast the base pair sequence of the bacterial genomic insert against the genome sequence of your E. coli strain". BLAST is a useful computer tool that compares and aligns DNA sequences, this allows to detect what are the nucleotides that are unique in the novel mutant bacterium.

- "An E. coli genomic library made from the mutant strain". Once DNA has been sequenced, an genomic library must be constructed to ensure that this novel mutant is preserved.

- "A sequencing primer that hybridizes adjacent to the insertion site of the bacterial genomic fragment in the library plasmids, and pointing in the 5'-to-3' direction towards the bacterial genomic DNA insert". Sequencing primers are needed when new genomic libraries are constructed. This short DNA sequences allow DNA polymerase to synthesize the DNA an replicate the genome of interest.

6 0
3 years ago
Describe the relationship between ATP and ADP molecules
Cerrena [4.2K]

Answer:

If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell. ... When it's run down, it's ADP.

Hope this helped!!

7 0
3 years ago
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