The citric acid cycle evolved from preexisting metabolic pathways. Evidence includes organisms that do not use the citric acid cycle, but have genes coding for enzymes used in the citric acid cycle Which of the statements about the evolution of the citric acid cycle are consistent with existing knowlege? Can […]

Question 1 : Characteristics of a malignant state include: 1) Dysregulation of the cell cycle and 2) Inhibition of apoptosis. These mechanisms are also hallmarks of a many viral infections? Why are these characteristics also beneficial to many viruses? Explain how viral genes/proteins from a specific virus dysregulate the cell […]

1: the wellness model is built on which of the following?a: interventionb: adequate public health and social servicesc: understanding risk factorsd:all of the above 2:john snow is famous for ?a:tracing the risk of cholera outbreaks in london to the broad street pump.b:inventing antibioticsc:indentifying asbestos as a toxic substanced: being the […]

The ALDH gene has two primary alleles. The dominant D allele results in production of nonfunctional ALDH enzyme. This results in a build-up of acetaldehyde and a flush reaction when an individual consumes alcohol. The recessive d allele results in production of a functional ALDH enzyme and lack of a […]