Because they differ from other living organisms by lacking a discrete nucleus and many other cell inclusions, bacteria and archaea are more closely related to one another than they are to eukaryotes.
Answer the following statement true (T) or false (F)
False
Although Bacteria and Archaea indeed share these common features, Archaea and Eukarya are thought to be more closely related to one another than either is to Bacteria. Archaea and Eukarya also share a number of common characteristics that indicate common ancestry.
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Mendel's work was rediscoved in 1900 by which of the following individual(s)?
A. Carl Correns B. Erich von Tschermak C. Hugh de Vries D. All of the answers are correct
Kinases are enzymes that can phosphorylate (transfer phosphate groups onto) macromolecules such as proteins. A particular kinase, Kinase 1 is known to promote cell division. It promotes cell division by phosphorylating Protein X. Phosphorylation of Protein X activates Protein X. Once activated, Protein X stimulates the production of other proteins such as Protein Y and Z that directly promote cell division. In order to function, Kinase 1 requires the presence of Metal A. However, in the presence of Protein A, Kinase 1 is nonfunctional. From the description, what is considered a cofactor of Kinase 1?
A. Protein A B. Protein X C. Protein Y D. Metal A E. Protein Z
Viral infections in humans spread via the circulatory system. Viral infections in plants spread from cell to cell via:a
pili. b. endocytosis. c. infected seeds. d. plasmodesmata. e. transformation.
Which behavior is an example of agonistic behavior?
A) A dog raises its hackles, bares its teeth, and stands tall to appear threatening. B) A honeybee does a waggle dance to indicate the direction of food. C) A male ruffed grouse spreads its tail and beats its wings to attract a female. D) Ants mark their trails by releasing pheromones.