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Galina-37 [17]
3 years ago
7

Which of the following is a characteristic of RNA splicing in Eukaryotes?

Biology
1 answer:
Zanzabum3 years ago
8 0

Answer:

The correct answer is a. Exon/intron boundaries are typically characterized by a 5' GU splice junction and a 3' AG splice junction.

Explanation:

Splicing is the process in which the non-coding introns are removed from the mRNA and only coding sequences remains in mRNA.  

The splicing of introns depends on the recognition of splice site pair. Usually, 5'-GU-3' is 5' splice site and 5'-AG-3' is 3' splice site which makes the boundary of introns/exons and these two nucleotides are important to recognize the introns.

There are some additional conserved sequence at these two splice site which help in recognition of introns. First, a lariate structure is formed when 5'-GU-3' is cleaved and joined to the branch point that is present near 3' slice site. Then 3' splice site is cleaved which releases the intron. Therefore the correct answer is a.

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Why is water important, describe the special properties of water? Provide examples.
Sveta_85 [38]

Answer:

The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling. A water molecule is slightly charged on both ends. This is because oxygen is more electronegative than hydrogen. ... The stream of water bends due to the polarity of water molecules.

hope this helped you

3 0
3 years ago
Intermediate photographs should show the relation of evidence to other parts of the crime scene. A. True B. False​
hichkok12 [17]

Answer:

True.

Explanation:

<em>"adjective </em>

<em>adjective: intermediate </em>

<em>coming between two things in time, place, order, character, etc."</em>

Pictures correlating to the crime scene are like puzzles to find out the other meanings or cause of another picture.

For example:

A opened jug of milk sits on a table.

There's a blurred figure of a hand hitting the jug.

The jug is now laying on the table, dripping everywhere.

-

If we take out the middle picture "There's a blurred figure of a hand hitting the jug.", then we would not know what hit it over. Did someone bump into the table? Did a cat climb onto the table and release its almighty strength onto it? All we would know that it was once standing upright.

TLDR; Without intermediate pictures, it would be hard to grasp what happened on the scene. Intermediate pictures all have something in common with each other to help interpret what occurred to the viewer.

5 0
3 years ago
For each genotype below write whether it is homozygous or heterozygous
Yuki888 [10]

Answer: H O homozygous

Explanation:

4 0
3 years ago
Please help me
IgorC [24]

Answer:

The answer is A, because 55+15=70, and 70-67=3

5 0
2 years ago
Use your understanding of evolution through isolation to answer the questions provided.
kenny6666 [7]

Answer: The answers are fossil records, DNA evidence and case studies

Explanation

4 0
3 years ago
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