Answer:Run out of food or sometimes they immigrate to lay eggs and or find s better place to live or stay. As well as people destroying biomes.
Explanation:
Answer:
Ptolemy: 48 constellations described in his great work, The Almagest, in the 2nd century AD.
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The 88 Constellations recognized by the International Astronomical Union.
Explanation:
GILLS – the gills of a skate are on the underside of their body. Whereas on a shark they're found either side of the head
Answer:
DNA from a gene of interest can be inserted into a plasmid, then the modified plasmid can be inserted into a bacterial cell to replicate a gene of interest many times.
Explanation:
Plasmids are the extra-chromosomal circular DNA present in bacterial cells. Plasmids are able to replicate themselves independent of genetic DNA. Their ability to self replicate allows them to maintain themselves in the bacterial cells. This is why plasmids are used as cloning vectors in recombinant DNA technology.
A gene of interest is isolated from the donor cell and is inserted into the plasmid. The recombinant plasmid is introduced into bacterial cells where it replicates the ligated desired gene and allows the gene cloning. For example, the human insulin gene is ligated with plasmid and the recombinant plasmid is introduced in <em>E. coli</em> where it replicates the human insulin gene and allows the production of desired copies of the gene.
Stop and start sequence also called stop and start condons.