The cell in micrograph "I" is at which stage of
the cell cycle?
a. prophase
b. telophase
c. interphase
d. anaphase
e. metaphase
E
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In the cricket lab, we investigated the effect on territoriality on aggression. Which of the following is correct and can be included in the Discussion section of your paper?
A. The data proves that territoriality has an affect on aggression of male house crickets. B. This experiment can be improved by adding a female into the artificial environment to test if male house crickets fight for courtship advantages, a behavior that has been seen in field crickets (Alexander 162). C. A Chi-squared test was run and the p value was 0.022. Since this is below the significance level of 0.05, the null hypothesis can be rejected. D. All animal subjects were maintained in a very artificial environment and this could account for the decreased levels in territoriality and aggression.
Java man and Peking man are both examples of Homo ________.
Fill in the blank(s) with the appropriate word(s).
During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?
A. a Streptococcus bacterium B. a yeast cell C. a young oak tree D. a human E. a fruit fly
Which is incorrect about parvoviruses?
A. They cannot be transmissible to the fetus. B. Parvovirus B19 causes erythema infectiosum C. They are single-stranded DNA viruses. D. They cause several diseases in dogs, cats, and other mammals. E. They cause a disease known as fifth disease.