C recession is one of the five causes of a business cycle.
Business cycles are measured by looking at the growth rate of the gross domestic product of a country. There are five causes of a business cycle:
1. Changes in interest rates2. Changes in house prices3. Changes in consumer and business confidence 4. The local or world economy moves into a recession5. The local or world economy moves out of a recession.
These causes can also be seen as unstable fluctuations rather than stable cycles.
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Answer:
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AAUAA deletion- (B
)
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Poly(A) tail deletion- (C)
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5' cap deletion- (A)
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Explanation:
(A) introns are not removed from the pre-mRNA due to 5' deletion;
(B) the pre-mRNA is not cleaved at the cleavage site due to AAUAA deletion
(C) the mRNA is not transported to the cytoplasm due to poly A tail deletion;
AAUAA deletion: if we delete the AAUAA sequence then there is the change of sequence of pre- mRNA that the pre-mRNA is not cleaved at the cleavage site
.
Poly(A) tail deletion: Poly(A) tail is the long tail of Adenine in the 3' end of mRNA, after the deletion of Poly(A) tail, it affects the transport of mRNA from the nucleus to the cytoplasm and the mRNA is not transported to the cytoplasm if tail is deleted.
5' cap deletion; the effect of 5' cap deletion is that introns are not removed from the pre-mRNA. The process of intron removing and exon joining is called RNA splicing.
Mitosis produces cells that are genetically identical to the parent cell.
Meiosis includes two distinct processes that contribute to the generation of
genetic variation: crossing over shuffles alleles on the same chromosome
into new combinations, whereas the random distribution of maternal and
paternal chromosomes shuffles alleles on different chromosomes into new
<span>combinations.</span>
