<span>1- attachment. attach to the cell mainly bacterial cell
.2-penetration. only nucleic acid is injected into the cell through the hole caused by the tail fibers and enzymes.
3- synthesis. replication of viral nucleic acid and protein and envelope
.4- assembly
<span>5- release.</span></span>
Answer:
The four factors that affect evolution are mutations, natural selection, genetic drift and the gene flow, In the case, if the ground finches that Grants studied, we can observe the working of the natural selection. Due to change in the conditions in the environment, the large beak was an advantageous trait that was favored by the natural selection. The result of this process was an increase in numbers of large beaked finches and decrease in small-beaked finches compared to the initial numbers in the population.
Explanation:
Answer:
C genetic drift
Explanation:
variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
The most straightforward answer is D - using an individual's genetic information to decide who can be covered for health insurance.
This is unethical because people have no say over which genes they were born with. Furthermore, applying this logic would mean that we are proponents of genetic determinism. While genes have an impact, a person can still choose to apply different protocols in his life that help him combat his chances for certain diseases.
It could be also considered unethical if people themselves would be provided guidance based on the genetic information collected, without any proper medical consultation beforehand.
Answer:
C) decreased functional reserve
Explanation:
Ageing is a biological process which leads to the loss of function of the tissue and cells of the organism.
The biological ageing is determined genetically and can be correlated with the chronological ageing. The ageing is also influenced by the environmental factors which could interfere with the physiology, anatomy and morphology of the organisms.
The cell division cycle gets arrested to prevent the proliferation of these damaged cells and to remove the harmful factors from the body. This leads to the loss of function of the cells and tissues.
Thus, Option-C is the correct answer.
