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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Give an example of a hypothesis that you will test to answer the research lab?
In this lab you will use the enzyme catalase that is found in potato cells, to break down hydrogen peroxide. You will discover how this reaction is altered with changes in environmentalconditions.
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- Water behind a dam has a certain amount of stored energy that can be released as the water falls over the top of the dam. It may be enough energy to turn a mill wheel or an electricity-generating turbine. Choose the term that best describes the type of energy stored in the water at the top of the dam. Select one: A. Kinetic B. Radiant C. Chemical D. Transformative E. Potentialarrow_forwardAdding CaCl2 to E. coli cells allows the E. coli cells to freeze properly. assists with DNA uptake by introducing an electric current to the cells. is not necessary for the uptake of foreign DNA, since E. coli cells are naturally competent. disrupts the E. coli membrane to allow DNA to enter the cells. prevents foreign DNA from being taken up by the cells.arrow_forwardBesides carboxylation, the Calvin Cycle enzyme rubisco can also react with O2 (e.g. oxygenation). The wasteful oxygenation reaction of rubisco is explained by the enzyme developing at time when there was very little O2 in the atmosphere. Since it was developed, why hasn’t rubisco evolved to get rid of the oxygenation reaction? A. Mutations that decrease the affinity of rubisco for O2 probably also decrease the enzyme’s ability to bind CO2. B. Evolution takes time; and since rubisco is found only in eukaryotes, it evolved recently. C. Since it still generates one molecule of 3-phosphoglycerate (PGA), the oxygenation reaction is actually not that wasteful. D. Because in the past few million years the concentration of CO2 in the atmosphere has risen to be much greater than the concentration of O2.arrow_forward
- Find a figure that helps you understand how metabolic pathways are located in different parts of eukaryotic cell.Describe the figure in one sentencearrow_forwardA cell that cannot make tRNA A. cannot copy its DNA B. cannot make proteins C. can make proteins if mRNA is provided in the growth medium D. can make proteins if lipids are provided in the growth mediumarrow_forwardYou are working with cells that have an internal solute concentration of 5mM solute. This solute is large and ionized. You place them in a medium that has a concentration of 7.7 mM solute. What will happen? a. The cells will swell initially, then return to their original size. b. The cells will shrink in size. c. I do not expect anything to happen. d. The cell will burst.arrow_forward
- What is the best way to reduce “bleedthrough” when fluorescein and rhodamine are used simultaneously? A.Using a stronger excitation for rhodamine. B.Using an optimal combination of fluorescence filters. C.Using less rhodamine than fluorescein. D.By imaging each fluorescent molecule separately and waiting several seconds between each image, to ensure that all fluorescence has been emitted.arrow_forwardRefer to Picture 8 above: Which of the following answers is correct about the type of cells this organelle (where the arrow is pointing) is found in? A. prokaryote; bacteria B. eukaryote; animals C. eukaryote; bacteria D. eukaryote; plant E. prokaryote; plant F. both A and C G. both A and D H. both C and D G. All choices are correctarrow_forward
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