A modification that occurs to a nuclear gene that alters gene expression without modifying the DNA sequence is called _______ inheritance
A. extranuclear
B. cytoplasmic
C. maternal effect
D. epigenetic
E. nuclear
D
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Which of the following is a goal of chemotherapy?
1.disruption of the normal cell cycle 2.alteration of the plasma membrane 3.increase in the secretion of interleukins 4.stimulation of cytotoxic T cell production 5.turning on tumor suppressor genes
A cell with the ability to differentiate into several different types of cells is considered ________
A) totipotent B) unipotent C) multipotent D) pluripotent
Obligate intracellular, gram-negative bacteria best describes:
A. Streptococcus pyogenes. B. Helicobacter pylori. C. Rickettsia prowazekii. D. Mycoplasma pneumonia.
Some protists have complex life cycles and change between the haploid and diploid state. This process is observed in a member of the Stramenopiles, the ________ algae.
Fill in the blank(s) with the appropriate word(s).