Answer:
an enzyme produced chiefly by certain bacteria, having the property of cleaving DNA molecules at or near a specific sequence of bases.
Answer:
A) & B)
Explanation:
A) There are certain viruses that are present in both healthy and disease people.
Example: Polio virus is found in many human but it causes disesease in only 1% of human.
B) Viruses require host machinery for replication so they may not replicate in pure culture.
The postulate C is also violated, the virus may not produce disease in non-human experimental host because of inappropriate animal or vaccinated animal etc. Others exception includes, the same disease may be caused by various organisms and different organisms can also cause the same disease.
Answer:
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<u>Answer:</u>
An article that is undergoing peer-review is read carefully and checked by other scientists.
<u>Explanation:</u>
- Peer-review means reviewing the writer academic work, reports or ideas by the people called as experts in the same field before the writer work is published. Peer-review generally takes about 3-4 weeks.
- There are general 10 steps for the peer-review and they are submission of idea, editorial office assessment, appraisal by editor in chief, editor in chief assign to an associate editor, call for reviewers, invitation response, review of document, review evaluation, decision making, send to publish.