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Iteru [2.4K]
3 years ago
8

Which of the following is NOT a way to prevent the spread of infectious disease?

Biology
1 answer:
Svetllana [295]3 years ago
6 0

Answer: I think B

Explanation:

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A biochemist isolated and purified molecules needed for dna replication. Whne she added some dna, replictation occursd but the d
liberstina [14]

Answer:

She left Ligase enzyme out of the mixture.

Explanation:

DNA replication is the process of formation of new molecules of DNA from the existing one. This process occurs in semiconservative way i.e each new strand consist of one newly synthesised strand and one old parent strand that act as template for the formation of new strand. replication on one strand occurs continuously from 5 prime to 3 prime but on other strands it occurs discontinuously from 5 prime to 3 prime because DNA polymerase moves only in one direction from 5 prime to 3 prime. Hence in discontinuous strands gaps remained. These gaps are filled by Ligase enzyme.

Requirements for DNA replication:

DNA replications needs

Primers

DNA Polymerase enzyme

DNA helicase enzyme

Single nucleotide binding protein

dNTPs

and Ligase enzyme.

Correct choice:

She left Ligase enzyme out of the mixture.

3 0
2 years ago
3 ways humans have cut and frayed the woven tapestry of earths biodiversity
WITCHER [35]

Three ways that humans have cut and frayed the woven tapestry of earths biodiversity:

1.       Landscaping. By landscaping, living things such as trees are eliminated to make way for the construction of buildings. And thus, disrupting the ecosystem.

2.       Adding cement to the ocean to increase the land surface area by excavating soil from the maintains.

3.       Cutting of trees.

8 0
3 years ago
Claim: animal testing, though harmful to the lives of animals, is a vital resource for lifesaving medicines and vaccines that ca
natali 33 [55]

Answer:

Aristotle first wrote about the practice of animal testing in ancient

Greece during the third century BC.

Explanation:

4 0
2 years ago
Read 2 more answers
An original DNA sequence is: CGA TGG CCA TTA. The mutated sequence is: CGA GG CCA TTA This mutation is called a ________________
snow_tiger [21]

This type of mutation would be called a deletion

Hope this helps :)

8 0
2 years ago
Can traits of organims be improved? Explain why. ​
maksim [4K]

Answer:

Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. ... Rather, a genetic mutation causes a difference in fur color, which may help that rabbit hide better in its environment.

Explanation:

4 0
3 years ago
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