The global environment,

The crispr system involves the cas9 enzyme, which identifies specific nucleotides to be cut using a(n) ________ molecule as a gu

bonufazy [111]

Answer:

RNA

Explanation:

CRISPR system was discovered by a Japanese scientist. Naturally bacteria and many other prokaryotes have CRISPR system in their genome which they use as a self defense against a pathogen which is invading them. It consists of inter spaced, short palindromic nucleotide repeats which encode a guide RNA (gRNA). This guide RNA (gRNA) recognizes the target sequence on the pathogen. The gRNA is followed by Cas9 enzyme which along with the gRNA plays a very important role in breaking genome of the pathogen. Once the target gene is cut down the rest of the DNA can be rejoined by non homologous end joining.

But nowadays, scientists are using this system for genome editing and incorporating desired gene between the two ends which are cut down by CRISPR Cas9 system.

7 0

3 years ago

Read 2 more answers

Plz help!!A biologist claims that during lake succession, fish such as trout are slowly replaced by fish such as bluegills. How

kumpel [21]

Answer:

D. Bluegills must have a greater population size.

Explanation:

Hope this helps!

7 0

2 years ago

Which of the following is most likely the result of an organism having lipids in its body? A. A chipmunk buries nuts for the win

galina1969 [7]

C.. I think reptile slows down in cold water

3 1

3 years ago

Read 2 more answers

Describe why Alleles occur in pairs?

Arada [10]

Answer:

Alleles occur in pairs because chromosomes come in pairs for each trait, there will be two possible alleles. These different versions of genes (alleles) occur as the DNA base sequence is different. This combination of alleles for each trait is called the genotype; this can be any combination of two of the available alleles.

3 0

3 years ago

You are talking with a classmate about modeling electromagnetic waves. You suggest using a spring toy, such as a Slinkie. Your c

Olin [163]

Answer:Use a stretched Slinky to model sound waves moving through a material.When you squeeze the Slinky's coils together at one end (compression), this causes the coils in front of them to spread out (expansion). When the squeezed coils are released they spread out and squeeze the coils in front of them together. The squeezed coils in turn move forward, pushing on the coils in front of them and so on.

Squeezing the end coils gave them energy that was transferred from one end of the slinky to the other. As the energy goes through the Slinky, all the coils do not move at once, some of the coils are crowded together and some are spread apart.

6 0

3 years ago