Organismal Physiology and Energetics Quiz

Play an AI-generated podcast conversation about this lesson

Which of the following is NOT a relevant form of energy in biology?

Chemical bond energy

Heat energy (correct)

Mechanical energy

Electrical energy

What is the study of how organisms acquire, channel, and dissipate energy called?

Thermodynamics

Anabolism

Energetics (correct)

Catabolism

Which law of thermodynamics states that energy cannot be created or destroyed?

Second Law

First Law (correct)

Third Law

Zeroth Law

What is the term for the breakdown of molecules to release energy?

Catabolism (D) Signup and view all the answers

Which form of energy is used for physiological work in biology?

Chemical bond energy (B) Signup and view all the answers

What is the term for the use of energy to assemble molecules?

Anabolism (A) Signup and view all the answers

Why is energy fundamentally important to all life processes?

To understand how much energy/food is needed (A) Signup and view all the answers

Which type of energy is associated with the random atomic/molecular motion of matter?

Heat energy (B) Signup and view all the answers

Which unit is commonly used to measure the amount of energy required to raise the temperature of water by 1 degree Celsius?

Calorie (D) Signup and view all the answers

What is the efficiency of ATP in converting chemical energy to mechanical work?

25% (D) Signup and view all the answers

Which type of calorimetry measures metabolic rate directly from the amount of heat released by an organism?

Direct calorimetry (D) Signup and view all the answers

What is the respiratory quotient (RQ) calculated as?

CO2 produced / O2 consumed (A) Signup and view all the answers

Which type of metabolic rate is associated with endothermic homeotherms in a fasting and resting state?

Basal metabolic rate (BMR) (A) Signup and view all the answers

What is the increase in metabolic rate associated with food ingestion called?

Specific dynamic action (SDA) (D) Signup and view all the answers

Which type of metabolic rate represents the daily energy expenditure of a free-living animal?

Field metabolic rate (FMR) (A) Signup and view all the answers

Which of the following is a key theme in the course?

Temperature (A) Signup and view all the answers

What is temperature a measure of?

All of the above (D) Signup and view all the answers

Which of the following is NOT true about heat and temperature?

Heat and temperature are interchangeable terms (A) Signup and view all the answers

Which type of organisms rely mostly on external temperatures to determine body temperature?

Ectotherms (C) Signup and view all the answers

Which term refers to the ability of plants to cool themselves through transpiration?

High transpiration (A) Signup and view all the answers

According to the text, what is the purpose of compensation in plants?

To maintain performance in the face of varying conditions (A) Signup and view all the answers

What is the effect of compensation on metabolic rate in the absence of compensation?

Metabolic rate decreases with temperature (B) Signup and view all the answers

According to the text, how does compensation work in terms of enzymes?

By changing the enzyme's environment (A) Signup and view all the answers

What is the purpose of isozymes in compensation?

To fine-tune metabolism (B) Signup and view all the answers

According to the text, how does compensation work in terms of acetylcholinesterase activity?

Km increases, affinity decreases (A) Signup and view all the answers

Which equation represents the relationship between metabolic rate (M), body temperature (Tb), and constants (a and n) for an ectotherm according to the text?

$M=a10^{nTb}$ (C) Signup and view all the answers

According to the text, what is the temperature coefficient (Q10) defined as?

The ratio of the rate of a process at one temperature over the rate of the same process at a temperature 10°C lower (D) Signup and view all the answers

According to the text, what does Q10 represent in biological systems?

The impact of a change of temperature on the metabolic rate (A) Signup and view all the answers

According to the text, how does temperature affect enzyme-substrate affinity?

Affinity too high: enzyme binds too tightly to substrate = slow reactions. Affinity too low: enzyme binds substrate too loosely = reactions less likely to happen (B) Signup and view all the answers

According to the text, what is acclimatization defined as?

A chronic response of an individual to a changed environment in cases where the new and old environments are natural environments that can differ in numerous ways (B) Signup and view all the answers

Organismal Physiology and Energetics Quiz

Choose a study mode

Podcast

Questions and Answers

Which of the following is NOT a relevant form of energy in biology?

What is the study of how organisms acquire, channel, and dissipate energy called?

Which law of thermodynamics states that energy cannot be created or destroyed?

What is the term for the breakdown of molecules to release energy?

Which form of energy is used for physiological work in biology?

What is the term for the use of energy to assemble molecules?

Why is energy fundamentally important to all life processes?

Which type of energy is associated with the random atomic/molecular motion of matter?

Which unit is commonly used to measure the amount of energy required to raise the temperature of water by 1 degree Celsius?

What is the efficiency of ATP in converting chemical energy to mechanical work?

Which type of calorimetry measures metabolic rate directly from the amount of heat released by an organism?

What is the respiratory quotient (RQ) calculated as?

Which type of metabolic rate is associated with endothermic homeotherms in a fasting and resting state?

What is the increase in metabolic rate associated with food ingestion called?

Which type of metabolic rate represents the daily energy expenditure of a free-living animal?

Which of the following is a key theme in the course?

What is temperature a measure of?

Which of the following is NOT true about heat and temperature?

Which type of organisms rely mostly on external temperatures to determine body temperature?

Which term refers to the ability of plants to cool themselves through transpiration?

According to the text, what is the purpose of compensation in plants?

What is the effect of compensation on metabolic rate in the absence of compensation?

According to the text, how does compensation work in terms of enzymes?

What is the purpose of isozymes in compensation?

According to the text, how does compensation work in terms of acetylcholinesterase activity?

Which equation represents the relationship between metabolic rate (M), body temperature (Tb), and constants (a and n) for an ectotherm according to the text?

According to the text, what is the temperature coefficient (Q10) defined as?

According to the text, what does Q10 represent in biological systems?

According to the text, how does temperature affect enzyme-substrate affinity?

According to the text, what is acclimatization defined as?

More Like This

Organismal Physiology and Energetics Quiz

Organismal Physiology Energetics Quiz

Human Physiology Overview

Fisiologi Organisme dan Lingkungan