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Which of the following make-up the channels and pumps that are present in the cell membrane?

During the Kreb’s (Citric Acid) cycle ____.

Plant cells are usually ____ relative to their surroundings.

The graph above is based on the data from an experiment that examined the effect of pH on the activity of the enzyme catalase from two plant species (A and B). A. Using the information provided in the graph identify the optimal pH of catalase for Species B. B. Explain the reason behind the effect of pH on enzymatic activity.

Why is oxygen necessary for aerobic respiration?

Which of the following processes occur in the mitochondria? SELECT ALL THAT APPLY

In controlled experiments _____.

Examine the figure below A. Which label represents the enzyme’s active site? B. What happens to the enzyme after the reaction is complete? 

Decide whether the following statement is true or false AND provide a justification for your decision: Lactic acid fermentation is a type of anaerobic respiration carried out in muscle cells.

The data below displays the results of an experiment in which potatoes were incubated in sucrose solutions of different concentrations and weighed before and after the incubation.   Sample A B C D E Sucrose Concentration 0% 0.3 M 0.5 M 0.75 M 1 M Initial weight (grams) 0.9g 1.2g 1.0g 0.95g 1.0g Final weight (grams) 1.2g 1.4g 1.0g 0.8g 0.75g Percent weight change 33.3% 16.7% 0% -15.7% -25% A. Based on the results of the experiment, which of the sucrose solutions listed above (in blue) are hypotonic relative to the solute concentration inside the potato strips? B. Provide a brief explanation of your answer to part A.