Question 1How is artificial selection different from natural selection?Artificial selection is the only kind of selection that can occur in a laboratory.Artificial selection is selection by humans rather than the environment.Artificial selection changes traits but not genes.Artificial selection can occur over one or two generations as opposed to many generations. […]

1. Which of the following correctly describes the flow of information in protein production?A) DNA  RNA proteinB) protein DNA  RNAC) protein RNA DNAD) RNA  DNA  protein 2. One strand of DNA molecule has the base sequence ATAGGT. The complementary base sequence on the other strand of DNA will beA) UAUCCAB) […]

A new virus is infecting people’s hearts. This virus is specific to the cardiac muscle and spreads through gap junctions. When it encounters cells without gap junctions, it forces those cells to express the proper proteins and form gap junctions to the next cell. As a result of the viral […]

Mutations: A mutation is defined as a changein the base sequence of DNA. This may occur as a“mistake” in DNA replication, for example. Suppose that during DNA replication, two mutant DNA sequencesare produced as shown below. For the 2 mutated DNA sequences, you will investigate how thesechanges might affect the […]