Answer:
The reason is because it takes a long time for the light from the stars in the sky to reach earth, so the light the star was producing millions of years ago has just now reached Earth.
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To calculate the dry weight of the entire spinach plant
Biomass can be defined as the total quantity or the total weight of the organism in a given area or volume. In order to calculate the biomass of the plant dry weight of the plant parts such as its stem, leaves is taken into consideration. The net biomass does not include water or the moisture content of the plant.
Answer Explanation:
Due to technical difficulties, the answer and explanation for this problem are available in the attached file.
Answer:tailing at 3' end protects mRNA from attack by 3' exonuclease and 5' capping is useful for recognition of mRNA
Explanation:
The mRNA formed and released from the DNA template is known as primary transcript. In mammalian system, it undergoes intensive modification to become the mature mRNA.
Post transcription processing includes removal of Introns, splicing of exons, poly-A tailing at 3'end and capping at 5' end.
The Poly-A tailing at 3' end occurs in the nucleoplasm, the 3' end is polyadenlated involves with 20-250 nucleotides long. This tail protects mRNA from attack by 3' exonuclease activity
5' end capping end also is done in the nucleus. The cap is useful in recognition of mRNA by the translating machinery.
