Homework Answers
46.
Answer: D
Most enzymes function best at neutral pH ( around pH 7) and at low salt concentrations..High concentrations of salt increase the ions in the solutions and these ions disrupt the structure of aminoacids and reduce the enzyme activity and the enzymes become denatured.
47.
Answer : e
Eukaryotes ( plants and animals) contain respiratory enzymes contained in an internal structure surrounded by membranes . Prokaryotes such as Bacterial cells ( mycobacterium tuberculosis cells and staphylococcus aureus cells ) don't have respiratory enzymes enclosed in an internal structure surrounded by membranes.
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46. Most enzymes function best at a. acidic pH and high salt concentrations b. basic pH...
23. Every enzyme functions best at A. high pH. B. low pH. C. optimum pH. D....
23. Every enzyme functions best at A. high pH. B. low pH. C. optimum pH. D. neutral pH. 24. Which of the following is an example of an enzyme-substrate complex? A. glucose B. glucase C. vitamin D D. sucrose-sucrase 25. An example of an enzyme is A. maltose. B. fructose. C. hydrogen peroxide. D. dehydrogenase. 26. Which of the following is (are) component(s) of all cells? A. plasma membrane B. DNA C. cytoplasm D. nucleus E. a, b, and c...
46 An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions D) the speed...
46 An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions D) the speed of blood flow through the blood vessels A) the pressure of blood in the heart chambers C) the amount of oxvgen in the blood as it leaves the heart 47 The velocity of blood flow is the lowest in capillaries because A) the capillaries have internal valves that slow the flow of blood B) the diastolic blood pressure is too low to deliver blood...
BIOL 1620o, Spring 2019 NAME (Last, Preferred First): Date: 45. What is the most important means by which capillay exchange occurs? 53. Which of the following organs does NOT contain lymphatic...
BIOL 1620o, Spring 2019 NAME (Last, Preferred First): Date: 45. What is the most important means by which capillay exchange occurs? 53. Which of the following organs does NOT contain lymphatic tissue? A. liver B. spleen C. lingual tonsils A. exocytosis B. diffusiorn C. ATP powered pumps D. facilitated diffusion E. pharyngeal tonsils. 46.According to Poiseuille's law A. blood flow is not related to resistance. B. ph of the blood influences flow C. viscosity of the blood is not related...
Question 58 1 pts Name the tick borne disease caused by Ricketsii that acutely features a...
Question 58 1 pts Name the tick borne disease caused by Ricketsii that acutely features a speckled rash on the wrists and ankles and may lead to long term damage due to intracellular pathogenic bacteria destroying epithelial cells of the blood vessels Name the tick borne disease caused by Ricketsii that acutely features a speckled rash on the wrists and ankles and may lead to long term damage due to intracellular pathogenic bacteria destroying epithelial cells of the blood vessels...
Hello, this is my study guide for my final test, please help me find the right...
Hello, this is my study guide for my final test, please
help me find the right answers to them.
QUESTION 25 Veins are low blood pressure vessels. True False QUESTION 26 Cappillary blood flows directly into veins. True False QUESTION 27 Both arteries and veins contain one way valves. True False QUESTION 28 Bright red blood color is expected in blood of the veins. True False QUESTION 29 Depolarized heart chamber cells would be expected to contract. True False QUESTION...
1. Which of the following is not considered a nutrient a Vitamin B. Water c.Carbohydrate (d)...
1. Which of the following is not considered a nutrient a Vitamin B. Water c.Carbohydrate (d) Alcohol e Mineral 2. For which of the following causes of death does a person's diet play a part? a. Lung disease (6) Cancer Chronic lower respiratory diseases d. Infections of the blood e AIDS 3. Researchers repeatedly report that people who consume a variety of foods such as fruits, vegetables, legumes, nuts, and whole grains have reduced risks of which of the following...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
Hello, this is my study guide for my final test, please help me find the right...
Hello, this is my study guide for my final test, please
help me find the right answers to them.
QUESTION 1 The epiglottis directly covers the glottis found inside the larynx. True False QUESTION 2 The trachea connects to the lungs. True False QUESTION 3 The glottis blocks the opening to the respiratory passage during swallowing. True False QUESTION 4 Inhaled air goes directly into the nasopharynx. True O False QUESTION 5 Residual lung air volume is the amount of...
microbiology help TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
1. Which of the following are the sites within the human body where carbon dioxide and...
1. Which of the following are the sites within the human body where carbon dioxide and oxygen are exchanged? A. Alveoli B. Arteries C. Synapses D. Venules 2. Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the hypothesis 3. Lithium has an atomic number of 3 and...
23. Every enzyme functions best at A. high pH. B. low pH. C. optimum pH. D. neutral pH. 24. Which of the following is an example of an enzyme-substrate complex? A. glucose B. glucase C. vitamin D D. sucrose-sucrase 25. An example of an enzyme is A. maltose. B. fructose. C. hydrogen peroxide. D. dehydrogenase. 26. Which of the following is (are) component(s) of all cells? A. plasma membrane B. DNA C. cytoplasm D. nucleus E. a, b, and c...
46 An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions D) the speed of blood flow through the blood vessels A) the pressure of blood in the heart chambers C) the amount of oxvgen in the blood as it leaves the heart 47 The velocity of blood flow is the lowest in capillaries because A) the capillaries have internal valves that slow the flow of blood B) the diastolic blood pressure is too low to deliver blood...
BIOL 1620o, Spring 2019 NAME (Last, Preferred First): Date: 45. What is the most important means by which capillay exchange occurs? 53. Which of the following organs does NOT contain lymphatic tissue? A. liver B. spleen C. lingual tonsils A. exocytosis B. diffusiorn C. ATP powered pumps D. facilitated diffusion E. pharyngeal tonsils. 46.According to Poiseuille's law A. blood flow is not related to resistance. B. ph of the blood influences flow C. viscosity of the blood is not related...
Question 58 1 pts Name the tick borne disease caused by Ricketsii that acutely features a speckled rash on the wrists and ankles and may lead to long term damage due to intracellular pathogenic bacteria destroying epithelial cells of the blood vessels Name the tick borne disease caused by Ricketsii that acutely features a speckled rash on the wrists and ankles and may lead to long term damage due to intracellular pathogenic bacteria destroying epithelial cells of the blood vessels...
Hello, this is my study guide for my final test, please
help me find the right answers to them.
QUESTION 25 Veins are low blood pressure vessels. True False QUESTION 26 Cappillary blood flows directly into veins. True False QUESTION 27 Both arteries and veins contain one way valves. True False QUESTION 28 Bright red blood color is expected in blood of the veins. True False QUESTION 29 Depolarized heart chamber cells would be expected to contract. True False QUESTION...
1. Which of the following is not considered a nutrient a Vitamin B. Water c.Carbohydrate (d) Alcohol e Mineral 2. For which of the following causes of death does a person's diet play a part? a. Lung disease (6) Cancer Chronic lower respiratory diseases d. Infections of the blood e AIDS 3. Researchers repeatedly report that people who consume a variety of foods such as fruits, vegetables, legumes, nuts, and whole grains have reduced risks of which of the following...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
Hello, this is my study guide for my final test, please
help me find the right answers to them.
QUESTION 1 The epiglottis directly covers the glottis found inside the larynx. True False QUESTION 2 The trachea connects to the lungs. True False QUESTION 3 The glottis blocks the opening to the respiratory passage during swallowing. True False QUESTION 4 Inhaled air goes directly into the nasopharynx. True O False QUESTION 5 Residual lung air volume is the amount of...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
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