Answer:
The correct answer is -
A.It is destroyed.
Explanation:
The lytic cycle is considered as one of the two reproductive cycles that virus use for its reproduction (the other cycle is the lysogenic cycle).
This cycle results in the destruction of the host cell.
Bacteriophages (virus that infects bacteria) use this cycle and referred as virulent phages.
There are basically five steps in this cycle -
Attachment of virus with the host cell membrane, penetration of the genome, which is followed by biosynthesis using host machinery, assembly of virus particles, and finally release, causing host cell destruction.
Thus, option A is the right answer.
Answer:
See the answer below.
Explanation:
The arrival of cacao beans in the factory can be likened to the transcription of mRNA using a DNA template.
Sorting of the best beans at the factory can be likened to splicing process. During splicing, the introns are removed from the newly synthesized mRNA and the exons are joined together. The introns represent the non-coding portion of the mRNA while the exons represent the coding sequence.
The checking of bags by quality control can be likened to the final proofreading of the mRNA after splicing before being transported to the cytoplasm where they are used to synthesize proteins.
The large truck that transports the cacao beans represent the transport proteins that transport the mRNA to the cytoplasm while the chocolate-producing company represents the ribosome which is the site of protein synthesis.
Answer:
Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.
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