Mitochondria are transmitted from mothers to ____
a. all of their daughters through the cytoplasm of the egg
b. all of their sons through the cytoplasm of the egg
c. all of their children through the cytoplasm of the egg
d. 50% of their children through the X chromosome
e. 50% of daughters through the X chromosome
c
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Which of the following statements is TRUE of small effector molecules?
A. Small effector molecules cause a conformational change in a regulatory protein. B. Small effector molecules can prevent a repressor from binding a gene region. C. Small effector molecules regulate gene transcription. D. Small effector molecules regulate gene transcription by binding a regulatory protein. E. All of the choices are correct.
The septum in a fungus is:
A. the seventh cellular division B. the seventh nucleus in a dikaryote cell C. the seventh cell from the tip of the hypha D. the demarcation between the mycelium and the fruiting body E. cross walls separating the hyphae into cells
The process whereby naked DNA is absorbed into a bacterial cell is known as:
A) transcription. B) transduction. C) transformation. D) translation.
A relationship in which one partner benefits and the other is unaffected is termed
A. commensalism. B. parasitism. C. independence. D. mutualism.