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Author Archives: Anonymous

Which of the following stages of mitosis is represented in t…

Which of the following stages of mitosis is represented in the image below?

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The following diagram shows a substrate, an enzyme, and an e…

The following diagram shows a substrate, an enzyme, and an enzyme after the addition of heat. How will this addition of heat affect the enzyme activity for this reaction. 

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  Which curves on the graphs in Figure 6.3 may represent the…

  Which curves on the graphs in Figure 6.3 may represent the temperature and pH profiles of an enzyme taken from a bacterium that lives in a mildly alkaline (basic) hot spring at temperatures of 70°C or higher?  A) curves 1 and 5 B) curves 2 and 4 C) curves 2 and 5 D) curves 3 and 4 E) curves 3 and 5

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Which of the following is true concerning cancer cells?  A)…

Which of the following is true concerning cancer cells?  A) They exhibit density-dependent inhibition when growing in culture.  B) They must be attached to a substrate to divide in culture.  C) They evade the normal controls that trigger programmed cell death.  D) They stop dividing in culture when growth factors are depleted.

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Which form of chemical reaction is responsible for convertin…

Which form of chemical reaction is responsible for converting a molecule of ADP to ATP? A) hydrolysis B) dephosphorylation C) phosphorylation D) glycolytic reaction

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The following image depicts a cellular process which is esse…

The following image depicts a cellular process which is essential for providing genetic diversity in sexually reproducing organisms. What cellular process is shown below? A) Anaphase B) Crossing over C) Apoptosis D) Binary Fission

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The addition of heat is the best way to speed up chemical re…

The addition of heat is the best way to speed up chemical reactions in cells because it speeds up the movement of molecules in the cell. 

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Using the following diagram, identify the items in this enzy…

Using the following diagram, identify the items in this enzyme-mediated reaction. 

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Which of the following statements about cellular respiration…

Which of the following statements about cellular respiration is correct?   A) Most CO2 produced during cellular respiration is released from glycolysis  B) Protons are pumped through ATP synthase by active transport   C) The final electron acceptor of the electron transport chain is NAD+   D) The final electron acceptor in the electron transport chain is oxygen

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The following graph represents the activity levels of three…

The following graph represents the activity levels of three enzymes found in the digestive system of the human body. Using the data from the graph, what conclusion can you draw about the activity of the enzyme trypsin?

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