Which form of genetic material initiates RNA interference?

Biology

2 answers:

andreyandreev [35.5K]4 years ago

7 0

The correct answer is option B, that is, double-stranded RNA.

An RNA-dependent gene silencing procedure known as RNA interference is mediated by the RISC (RNA-induced silencing sequence) and is stimulated by the molecules of short double-stranded RNA in a cytoplasm of the cell where they associate with the argonaute, that is, a catalytic RISC constituent.

Taya2010 [7]4 years ago

6 0

Double-stranded RNA is the answer to this question that you have asked

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While collecting specimens, a marine biologist finds a sessile Cnidarian. The medusas that bud from it swim by contracting a rin

Anit [1.1K]

Answer:

Class Scyphozoa

Explanation:

In the Scyphozoa class, the predominant and sexual forms are beautiful medusas of varying colors, the true "medusas" often seen on our shores. The polyps are small and correspond to the asexual, short lasting phase. Since this class has the predominant species, the jellyfish, we can conclude that the class that the question is referring to is Scyphozoa.

The medusas are shaped like an umbrella and are different from the group of hydrozoans. They can reach from 2 to 40 cm in diameter. The giant of the group is a North Atlantic jellyfish that reaches 2 meters in diameter.

8 0

4 years ago

11. The arrows on the left and right sides of Figure 1 show the effects of one species on the species that are on

daser333 [38]

The image related to that question is attached below.

In the figure, we can see that on the left side, sea otters are very influential in the population of sea creatures, if the killer whales are not in the environment. That's because sea otters are strong predators of sea urchins. However, sea urchins are not as influential in the size of the seaweed population, providing little effect on that population. This is because sea otters control the population of sea urchins through predation. Thus, if more sea urchins are consumed by sea otters, the sea urchin population becomes small and consequently the consumption of algae (by sea urchins) is small.

On the right side of the figure, killer whales are great predators of sea otters and establish a strong predatorism, being very influential in the population of sea otters. This predatorism causes the otter population to decrease and stay in controlled and limited sizes. In this case, with few sea otters in the environment, their predatorism in relation to sea urchins is less, allowing the sea urchin population to grow and to consume more seaweed, providing a strong impact on the seaweed population.