Answer:
The term "retro" in retrovirus refers to this reversal of the usual direction of transcription.
Explanation:
Retroviruses are the viruses from the virus family known as retroviridae. These are the viruses that use RNA as their genetic material and use an enzyme reverse transcriptase which is essential for their life cycle.
they called retro as they use the reverse process of the usual direction of transcription which means from RNA to DNA by duplicated their genetic material to produce DNA and incorporated into the genome of the host.
Answer:
Quorum sensing is triggered to begin when<u> a sufficient number of bacteria are present .</u>
Explanation:
Quorum sensing -
Quorum sensing is the ability to detect and to respond to the cell population density by the process of gene regulation . Quorum sensing bacteria releases some chemical signal molecules called the autoinducers , that increases the concentration as the function of the cell density .
The detection of the minimum threshold concentration of an autoinducer leads to the alteration in the gene expression .
Answer:
There is not exactly a specific benefit to the pattern.
The radial pattern found on certain shells are created when the creature living inside grows bigger. As it grows, is builds the shell bigger layer by layer, creating the patter-like design of the shell
The theory of Evolution, like all parts of science, is dynamic. As more information becomes available, the mechanisms by which we interpret nature with change in order to fit the description of the acquired data more accurately.