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Biobeyond Unit 6: Energy Challenge
respiration Questions And Answers With
Latest Quizzes
Carbon dioxide (CO2) ATP Glucose (C6H12O6) Nitrogen gas (N2) Water vapor (H2O) Oxygen (O2) - ✔️ ✔️ Increasing Increasing Decreasing Not present Increasing Decreasing
Carbon dioxide (CO2) Pyruvate (C3H6O3) Glucose (C6H12O6) Nitrogen gas (N2) ATP Oxygen (O2) - ✔️ ✔️ Not Present Increasing Decreasing Not Present Increasing Not Present
Glycolysis pathway - ✔️ ✔️ glucose (1); ADP (2); Phosphate (2); NAD (2); ATP (2) (repeat 2 times/until you get 8 ATP)
Were these molecules inputs, outputs, or not involved in glycolysis? Select all that apply: ATP Carbon Dioxide Glucose NAD+ NADH Oxygen Pyruvate Water (H2O) - ✔️ ✔️ Input/Output Not involved
Input Input Output Not involved Output Not involved
How many of each of these molecules were used or made at the end of a single round of glycolysis? ATP Glucose NADH Pyruvate - ✔️ ✔️ 2 - Produced 1 - Consumed 2 - Produced 2 - Produced
What do you think is responsible for the points on the graph where you see a small decrease in the number of ATP? - ✔️ ✔️ ATP is being used in the first step of glycolysis, but then more ATPs are being produced in the second step of glycolysis
Which is the smallest molecule shown on this screen?
What type of biological macromolecule is glucose? - ✔️ ✔️ Pyruvate
Carbohydrate
To continue, enter the symbol of the element that carries the positive charge in NAD+. - ✔️ ✔️ N
What is the major difference between ADP and ATP?
What is the total charge on the phosphate ion? Enter the charge as the symbol and then the value. (ex: +2) - ✔️ ✔️ One phosphate
The graph to the right represents the Krebs Cycle. Read the graph, then mark whether each chemical listed is increasing, decreasing, or constant over time, or not present:
Carbon dioxide (CO2) AcetylCoA Glucose (C6H12O6) Nitrogen gas (N2) ATP
How many electrons are being carried from glucose at this point (Hint: 2 per molecule)?
What elements are present in FAD and FADH2 but not in carbon dioxide? - ✔️ ✔️ P N H
The graph to the right represents aerobic electron transport in a eukaryotic cell. Read the graph, then mark whether each chemical listed is increasing, decreasing, or constant over time, or not present:
Carbon dioxide (CO2) Hydrogen (H2) Glucose (C6H12O6) ATP Water (H2O) Oxygen (O2) - ✔️ ✔️ Not present Not present Not present Increasing Increasing Decreasing
Which process do you think produces the most ATP molecules in aerobic cellular respiration? Select one response: - ✔️ ✔️ Glycolysis
Were these molecules inputs, outputs, or not involved in aerobic electron transport? Select all that apply:
ATP CO FAD FADH H2O NAD+ NADH O2 - ✔️ ✔️ Output Not involved Output Input Output Output Input Input
What is the role of aerobic electron transport in gathering energy? Choose the best response: - ✔️ ✔️ To use stored electrons to produce ATP
Now that you've seen the whole cellular respiration process in its entirety, what is the role of Krebs in gathering energy? Choose the best response: - ✔️ ✔️ The electron carrier molecules are used in later reactions
Which one of these components is a single molecule? - ✔️ ✔️ water
Knowing what you know now, what do you think the purpose of the electron transport chain is? Select the best response: - ✔️ ✔️ To move hydrogen ions across the membrane
Which organisms below do you think can ferment? - ✔️ ✔️ Plants Animals Fungi Bacteria
How do you think fermentation is different from glycolysis? Select all that apply: - ✔️ ✔️ Fermentation uses a different input molecule
The graph to the right represents the process of fermentation in a yeast cell. Read the graph, then mark whether each chemical listed is increasing, decreasing, or constant over time, or not present:
Carbon dioxide (CO2) Pyruvate (C3H6O3) Glucose (C6H12O6) Ethanol (C2H6O) Water (H2O) Oxygen (O2) - ✔️ ✔️ Increasing Decreasing Not present Increasing Not present Not present
Were these molecules inputs, outputs, or not involved in fermentation? Select all that apply:
ADP ATP Carbon Dioxide Ethanol NAD+
Increasing Increasing Increasing
Were these molecules inputs, outputs, or not involved in methanogenesis?
ADP ATP Carbon dioxide (CO2) Hydrogen (H2) Methane (CH4) NADH Oxygen (O2) Pyruvate Water (H2O) - ✔️ ✔️ Input Output Input Input Output Not involved Not involved Not involved Output
What conditions are required for methanogenesis as described previously? Select all that apply: - ✔️ ✔️ Presence of carbon dioxide
Presence of hydrogen gas
What element is left over from that reaction and must be output some other way? -
✔️ ✔️ Oxygen
