Five new individuals were added to this small population in 1986 and ten more were added between 1990-1994. According to the figure above, what occurred in this population after these additions?

A) The population increased exponentially.
B) The population increased in overall numbers.
C) The population growth rate increased.
D) The population continued to decline


Answer: C

Biology & Microbiology

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A husband and wife are in the process of getting a divorce. During child-support hearings, the husband states that he should not pay child support as he feels that the child was actually fathered by one of the woman's various lovers. DNA restriction analysis was performed, with the results illustrated in the diagram below.



The DNA of the husband in this case can be found in lane 3, whereas that of the suspected father is in lane 4. Based on this information,
A) the husband is definitely the child's father.
B) the husband is definitely not the child's father.
C) either man could be the father, and more tests are needed to discern paternity.
D) neither man in question is the child's biological father.

Biology & Microbiology

A tomato plant is mutated with gamma radiation. A cellular analysis reveals that ATP synthase complexes found in the thylakoid membrane are inserted backward into the membrane. What is the most likely outcome of this error?

A. The proton gradient in the thylakoid space will not be able to be used to generate ATP B. A proton gradient will not be established in the thylakoid space in response to the activation of photosystem II C. The ATP synthase will pump protons into the stroma in this orientation D. This change is not likely to have any effect on the function of the ATP synthase enzyme with respect to its role in photosynthesis E. The thylakoid membrane will become permeable to protons as a result of this change

Biology & Microbiology

One property that distinguishes cells in Domain Eukarya from those in Domain Bacteria is the presence of

A. a cell wall. B. DNA. C. flagella. D. membrane-bounded organelles.

Biology & Microbiology

The four stages of biofilm formation are

a. attachment, colonization, development, and dispersal. b. adherence, biosynthesis, maturation, and release. c. attachment, biosynthesis, maturation, and dispersal. d. adherence, infection, development, and activity.

Biology & Microbiology