Answer:
The correct answer is A. acquisition
Explanation:
Learning involves improvement of skills over time for example improvement of handwriting. Scientist believes there are several phases in the learning process.
The initial improvement phase in learning is the acquisition phase. In the starting of this phase, the learner can not respond correctly without assistance. So in this phase learner learns to connect a neutral stimulus and an unconditioned stimulus with the help of assistance.
At the end of this phase, the organism learned to respond independently to the stimulus. So the correct answer is A.
Non-infectious. These cannot be "caught" from another person with the illness via any contact like germs.
The correct answer is D: I and II only.
Viruses have protein capsids, which protect their genetic material. This capsid sometimes is covered by viral envelopes which have glycoproteins on their surface. Glycoproteins help in the process of binding to the host cell and infecting it. In this example, virus III has the structure of a bacteriophage and it does not seem to have glycoproteins. Bacteriophages use their tail fibers to attach to the bacterial host and inject their genetic material. On the contrary, viruses I and II have glycoproteins sticking out of their envelopes.
HIV can be treated via gene therapy by inducing mutations that restore the normal genome sequence.
<h3>
What is gene therapy?</h3>
Gene therapy is a revolutionary technique used in molecular biology to restore the expression of defective genes that suffered mutations.
Gene therapy involves modifying the nucleotide (DNA) sequence in order to correct the production of defective proteins associated with disease states.
Moreover, mutations due to HIV are a consequence of the insertion of this retrovirus in the host genome.
In conclusion, gene therapy is able to treat HIV by inserting gene regions that restore the normal nucleotide sequence.
Learn more about gene therapy here:
brainly.com/question/315648
#SPJ1