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DIA [1.3K]
3 years ago
12

The study of life in the universe is best described by the term:________.

Biology
1 answer:
Leto [7]3 years ago
5 0

Answer:

C. Astrobiology

Explanation:

Hope it helps!

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What will happen to the other members of the food chain if the grasshoppers are removed?
MaRussiya [10]

Answer:

some of the animals that feed on the grasshoppers will die

Explanation:

if they do not have the regular supply of food, they will die of hunger

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Which practice fits the definition of conservation? A. using more of a mineral resource than needed B. not using a necessary min
balu736 [363]
The answer would be D, because conservation is the careful monitoring of a substance, and recycle uses the least amount of abuse on surroundings.
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3 years ago
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Competitive exclusion is based on the idea that Select one: a. all of these b. one species will hold some sort of advantage over
Cloud [144]

Answer: Option A.

All of these.

Explanation:

Competitive exclusion state that or show that two organisms who compete for the same resource in the same habitat cannot occupy the same niche and cannot coexist because the stronger organism or superior one tend to outcompete the weaker organism thereby leading to the exclusion of the the weaker organisms. It is a principle in ecology also called Gause's law.

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4 years ago
What are ejcs? Describe the importance of the ejc complexes for the export and stability of mrnas.
Alex Ar [27]

Explanation:

The Exon Junction Complex (EJC) is a eukaryotic molecular machine that interacts with spliced mRNA upstream of exon-exon junctions, providing a binding platform for other trans-acting proteins that determine the fate of the mRNA.  The spliceosome deposits the ~335kD EJC in a non-sequence specific manner 20-24 nucleotides upstream of an exon-junction.  Functionally, the EJC aids in nuclear export of spliced mRNAs, assists in nonsense-mediated decay of incorrectly spliced mRNAs containing premature stop codons, and enhances translation efficiency.

Pre-mRNA bound by a spliceosome is usually not exported from the nucleus, so as to make sure that only fully-processed mRNA travels to the cytoplasm to be translated.  A protein called the mRNP exporter binds to the EJC, both through RNA interactions and interactions with the EJC-associated protein REF (RNA export factor) to help pre-mRNA exit the nuclear pore complex.

Interestingly, the efficiency of unspliced mRNA export is dependent on the length; longer mRNAs are exported more efficiently than shorter mRNAs. In spliced mRNAs, however, once the 5' exon is long enough to bind the EJC, the length of the spliced mRNA does not affect the export efficiency.

There are a certain number of EJCs in a cell, and they must be recycled in order to continue tagging mature mRNAs. Once in the cytoplasm, the ribosome-associated regulator protein (PYM) acts as a dissociation factor.

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3 years ago
How will humans adapt to climate change
tino4ka555 [31]

Answer: By living up to the climate. and by adaptiong '-' srry if im wrong

Explanation:

8 0
3 years ago
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