The removal of mitochondria from a typical animal cell would have an immediate effect on the cell’s production of

DNA is formed using four kinds of base subunits. In a double-stranded segment of DNA, the percentage of the base C is 18%. What is the approximate percentage of base T?

Which factor would be an abiotic limiting factor for fish living in a lake in New York State?

A native species is competing for resources with a nonnative species that was accidentally introduced into the area. The nonnative species is more likely to survive than the native species when

When a person receives a transplanted organ, many medications are necessary to keep the organ from being rejected. The process of organ rejection is similar to the one involved in

One result of the ability of organisms to detect and appropriately respond to stimuli is

Some organisms have variations. Two sources of these variations are

In order to prepare for a future outbreak of Ebola, a harmful virus, two vaccines were tested. In order for either of these vaccines to be effective, they must

When a plant is in a hot and dry environment, the guard cells may close the stomate openings in the leaves. This action will directly

Which statement about the functioning of the human reproductive system is correct?

Destruction of ocean habitats by pollution today means that the organisms living there may not survive in the future. By polluting the oceans, humans are

A Christmas tree farmer cuts down a native forest to plant Frasier fi r trees. Compared to the original forest, the newly planted Christmas tree farm will most likely be

Each of the cells present in a woman contains a complete set of chromosomes. The only exceptions are her

Human society has become increasingly dependent on industry and technology. While this has had many benefits, it also has had the disadvantage of

A trade-off was made by the local population that has increased the number of turtles in the area. Which statement best describes the trade-off?

One factor that could result in an increase in the population size after year 10 would be

A student was jumping rope and noticed that her heart was beating faster. The student’s heart rate probably increased as a result of

In gel electrophoresis, the fragments of DNA are separated into bands when the machine is plugged in based upon

During the Making Connections lab, several pulse readings are taken and averaged in order to

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