During constant flight, hummingbirds expend about 2.9 kJ/hr, relying on fatoxidation as an energy source.(a) Calculate the gms of fat necessary to sustain a 20-hr nonstop flight.(b) If the birds relied on carbohydrate for this energy, how much additionalweight would they have to start the flight with?

The digestion of sugars and fats are the sources of energy in living beings. Glucose is the primary…

Answered: During constant flight, hummingbirds…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Animals store glucose in the form of_______?
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In the three different energy systems, name the energy compounds, and which systems are stressed during exercise of different intensities
Using the set of data that follows, calculate how many of themolecules of O2 that were used in aerobic catabolism by JuliusCaesar are in each liter of atmospheric air today. All valuesgiven are expressed at Standard Conditions of Temperature andPressure (see Appendix C) and therefore can be legitimatelycompared. Average rate of O2 consumption of a human maleduring ordinary daily activities: 25 L/h. Number of years afterhis birth when Caesar was mortally stabbed near the RomanForum: 56 years. Number of liters of O2 per mole: 22.4 L/mol.Number of moles of O2 in Earth’s atmosphere: 3.7 × 1019 mol.Number of molecules per mole: 6 × 1023 molecules/mol. Amountof O2 per liter of air at sea level (20°C): 195 mL/L. Be prepared tobe surprised! Of course, criticize the calculations if you feel theydeserve criticism.
Excess Kcalories (Calories) will be stored as triglyceride in the adipocytes. Which energy source has the lowest metabolic cost associated with this storage? Question 90 options: a) Carbohydrate b) Protein c) Fat d) Water
Describe the glucose oxidation equation and use it to explain why animals are inefficient systems.

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