The increase and decrease of individuals in a population around the carrying capacity in response to resource availability and other environmental factors is known as which growth pattern?
A) death rate B) zero growth
C) logistic growth D) exponential growth
Answer: C
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If the yellow mottle virus begins its infection of a cell by using its genome as mRNA, which of the following would you expect to be able to measure?
A) replication rate B) transcription rate C) translation rate D) accumulation of new ribosomes E) formation of new transcription factors
In a species of salamander, there are two forms, red and yellow. As the yellow form becomes less common due to predation and the red form more common, the yellow form becomes less likely to be eaten and more likely to survive and reproduce. The yellow form then becomes more common and roles of red and yellow forms reverse. This maintains both forms in the population. This would be an example of
A. negative frequency-dependent selection. B. directional selection. C. disruptive selection. D. balancing selection. E. negative frequency-dependent selection and balancing selection are correct.
See the provided genetic code table. A change in a single base pair could cause which missense mutation?
a. glutamic acid to threonine b. glycine to proline c. threonine to glutamine d. glutamic acid to methionine e. valine to methionine
A clear fluid lubricates
A) ligaments. B) suture. C) fibrous joints. D) synovial joints. E) hyaline cartilage.