Answer:
Transduction
Explanation:
Bacteriophages (or phages) are viruses known for its ability to contaminate and become a parasite in a bacteria. These phages can pass its DNA from a single bacterium to another bacterium, via a means referred to as genetic transduction.
This is believed to be the centre route through which bacteria evolve and possess the antibiotic resistance and virulence factors that increases the formation of new and an increasingly more pathogenic strains.
The mechanisms of genetic transduction includes generalized and specialized transduction.
B) because it is just the equation one step ahead (if that makes sense)
Answer:
The beating or fanning movements of three pairs of maxilliped flagella in crabs and crayfish modify exhalent gill currents while drawing water over chemoreceptors on the head. They play an integral part both in signalling by distributing urine odours, and in active chemosensation.
Explanation:
The sodium amytal test involves the injection of a small amount of sodium amytal into the carotid artery on one side of the neck. This injection anesthetizes the hemisphere on that side for a few minutes.
A method that involves injecting a small amount of a barbiturate into the carotid artery on one side of the head to assess hemispheric functions, usually memory and language. The cerebral hemisphere that was injected selectively becomes impaired for 10 to 15 minutes during this operation.
Various cognitive tests are given while each hemisphere is seperately anaesthetized; deficiencies on these tasks imply that these functions are represented in the anaesthetized hemisphere. Prior to a temporal lobectomy, the Wada test may be utilised in cases with severe and uncontrollable epilepsy. Also known as the Wada technique, intracarotid sodium Amytal test (ISA), Wada dominance test, and intracarotid amobarbital procedure.
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