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Biobeyond Unit 6: Energy Challenge - Respiration Questions and Answers with Latest Quizzes, Exams of Biology

A series of questions and answers related to cellular respiration, focusing on the processes of glycolysis, the krebs cycle, and aerobic electron transport. It includes interactive elements like multiple-choice questions and fill-in-the-blank exercises, making it a valuable resource for students learning about energy production in living organisms.

Typology: Exams

2024/2025

Available from 01/15/2025

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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
pf3
pf4
pf5

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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

  • 3

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)?

  • ✔️ ✔️ 24

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