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allsm [11]
3 years ago
9

Which environmental change occurs most rapidly?

Biology
2 answers:
olganol [36]3 years ago
6 0

Answer:

Abrupt climate change.

Explanation:

Abrupt climate change is climate change that occurs relatively rapidly. Our understanding of past abrupt climate changes and their causes is still in its infancy; most of the research on this topic has occurred since the early 1990s.

lianna [129]3 years ago
5 0

Answer:

volcanic eruption

Explanation:

"The environmental change that occurs faster is definitely volcanic eruption. It may happen in an instant and destroy everything in its way, whereas the process of regrowth of forest after volcanic eruption is a slow one."

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The Meselson-Stahl experiment demonstrated which of the following about DNA replication? View Available Hint(s) The Meselson-Sta
anyanavicka [17]

Answer:

This experiment proved that DNA replicated semiconservatively; half the original polynucleotide is conserved in each of the two copies

Explanation:

Semi-conservative mode of replication means that the two strands of DNA unwind from each other, and each of themacts as a template for synthesis of a new, complementary strand. As a result, two formed DNA moleculesc ontain one original strand and one new strand.

Meselson and Stahl experiment showed this model by labeling the DNA of bacteria across generations using isotopes of nitrogen ( patterns of DNA labeling showed the mode of replication).

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3 years ago
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A child has type O blood. Which of the following couples could be the child's parents?
Fofino [41]

Answer:D Is the correct answer.

Explanation: All of the options could be the parents of the child with type O blood, because every type of blood has an O type in it.

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3 years ago
you eat a delicious Chinese take out dinner. your body stores the fat from your meal in the form of. LOOK AT THE ATTACHMENT
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I’m like 97% sure it’s triglyceride
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A strain of bacteria has a CRISPR-Cas system, but a mutation has destroyed the function of the Cas9 gene. How will the strain of
bogdanovich [222]

If mutation destroys the function of the Cas9 gene then the bacteria will not be able to target a specific bacteriophage for destruction upon infection for the second time.

<h3>What is the Cas9 gene?</h3>
  • Cas9 is a 160 kilodalton protein that plays a vital role in the immunological defense of certain bacteria against DNA viruses and plasmids and is heavily utilized in genetic engineering applications.
  • Its main function is to cut DNA and thereby alter a cell's genome.
  • Although Cas9 is an endonuclease and is evolved as a mechanism of immunity against viruses, they are not considered restriction enzymes.

To learn more about the Cas9 gene,

brainly.com/question/22549100

#SPJ4

7 0
2 years ago
Which is a biotic factor that characterizes the tropical savanna biome?
Oksi-84 [34.3K]

Answer: D

Explanation:

Seasons are not biotic bc they are not living, and we know from playing Minecraft that savannas are not covered in conifers but are covered in grass and a few trees

*Beep Beep*

Lettuce

8 0
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