A rubber band that is pulled taut and a person who is standing at a bus stop are examples of which of the following?

a. Potential energy
b. Activation energy
c. Kinetic energy
d. Free energy


a. Potential energy

A rubber band that is pulled taut and a person who is standing at a bus stop are examples of
potential energy.

Biology & Microbiology

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Individuals that are heavy smokers may eventually have trouble clearing the mucous from their lungs because the structures that move fluid along the epithelial lining of the lung become damaged over time. What are these structures called?

A. Pili B. Flagella C. Cell walls D. Cilia

Biology & Microbiology

What is the key concept addressed by the question?

What will be an ideal response?

Biology & Microbiology

If an assumption for the Hardy-Weinberg equation is violated, what does this mean?

A. This means the allele frequencies or genotype frequencies are undergoing evolutionary change. B. This means that the population is adapted to its environment. C. This means that mutations are increasing in frequency in the population. D. This means an allele is fixed in the population.

Biology & Microbiology

Bacterial ________ DNA can be easily removed from the bacterium, modified by adding a gene of interest, and then reinserted into the bacterium to be replicated

A) genomic B) polymerase C) plasmid D) chromosomal E) nuclear

Biology & Microbiology