Genetically, Methanococcus is most closely related to ____
a. bacteria
b. fungi
c. plants
d. both bacterial and eukaryotic cells, although not closely related to either.
e. animals
D
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Which one of the following organisms has coenocytic organization?
A. humans B. amphibians C. plants D. green algae (Codium and Caulerpa)
A cross between two pea plants results in 732 purple and 268 white plants. What is (are) the genotype(s) and phenotype(s) of the parents that produced these offspring?
A. both parents are heterozygous purple B. one parent is homozygous purple, second parent is homozygous white C. one parent is heterozygous purple, second parent is heterozygous white D. one parent heterozygous purple, second parent homozygous white E. one parent is homozygous purple, second parent is heterozygous white
Smoking has been shown to cause all of the following EXCEPT
a. bronchitis. b. emphysema. c. lung cancer. d. coronary disease. e. healthy skin.
During mitosis and meiosis, DNA is duplicated, chromosomes separate, and cytoplasm divides. How are mitosis and meiosis different?
A) Meiosis occurs only in plant cells as mitosis occurs only in animal cells. B) Meiosis creates diploid daughter cells and mitosis creates haploid cells. C) Meiosis only occurs in zygotes after fertilization and mitosis occurs only in the embryo. D) Meiosis creates haploid daughter cells and mitosis creates diploid cells.