Sister chromatids are joined by a common centromere and each carries identical ____________________. Fill in the blank(s) with the appropriate word(s)
ANSWER: genetic information
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Coccolithophorids are marine members of the brown algae
________________ Indicate whether the statement is true or false.
What is the definition of a carcinoma?
A. A cancer that is derived from skin or epithelial linings of internal organs or glands B. A cancer that is derived from muscle, fat, and soft tissues C. A cancer that is derived from blood and lymphatic systems D. A cancer that is derived from brain and spinal tissue
Phosphofructokinase is regulated by a number of factors, including high levels of ATP. Why is this enzyme regulated by ATP levels?
A. If ATP levels are high, this provides a mechanism to directly inhibit the electron transport chain, thus preventing the formation of a proton gradient in the intermembrane space of mitochondria. B. If ATP levels are high, this provides a mechanism to directly inhibit the Krebs cycle, thus preventing further generation of NADH, FADH2, and ATP molecules that are not needed. C. If ATP levels are high, it is important to directly inhibit the reaction that commits the substrate to glycolysis to allow the substrate to be available for other reactions, since the cell has ample energy. D. If ATP levels are high, it is important to inhibit ATP synthase, and phosphofructokinase directly inhibits ATP synthase.
The term ________ (from Greek words meaning "cell movement") refers to the division of the cytoplasm
Fill in the blank(s) with correct word