Homework Answers
Answer=
1] a single pass transmembrane protein that is an alpha helix can make a channel
False
explaination- A single pass transmenbrane protein is a type of integral membrane protein that spans the entirely of the biological membrane to which it is permenantly attached.
they function as gateways to permit the transport of specific substances across the biological membrane by frequently undergoing a significant conformational changes to move a substance through the membrane.
====================================================================================
2] false
explaination= Active transport uses the ATP to move substances across a membrane from the region of lower concentration to a region of their higher conc.in the direction against the concentration gradient.not parralel to conc.gradient.
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QUESTION 1 points Save Answer A single pass transmembrane protein that is an alpha helix can...
Add a 0.14/1 pts Partial Question 1 Me Review transmembrane trafficking and then match the term...
Add a 0.14/1 pts Partial Question 1 Me Review transmembrane trafficking and then match the term with the best description Save facilitated diffusion Glucose enters absorptive cells this way Primary active transp ATP is hydrolyzed by the same protein that moves a solute against its gradient Oxygen crosses membranes diffusion this way Glucose enters non- absorptive cells this way active transport osmosis A general term describing the movement of solutes FOLLOWING their concentration gradient diffusion A general term describing the...
Please summarize this chapter typed clearly. Diffusion Is a passive process of transport. A single substance...
Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
QUESTION 4 0.07 points Save Answer Active transport compounds move from unbalanced to balanced Low to...
QUESTION 4 0.07 points Save Answer Active transport compounds move from unbalanced to balanced Low to high High to low All of the above require active transport QUESTIONS 0.07 points Save Answer Crossing the plasma membrane is easy if you Negatively charged Positively charged Are small and have no charge Are macromolecules with charges QUESTION 6 0.07 points Sowe Antwer Equilibrium? concentrations are equal in two areas separated by a semipermeable membrane All these are correct Concentrations are higher inside...
Question 18 (6 points, 1 point for each correct answer): Match the following processes (designated I,...
Question 18 (6 points, 1 point for each correct answer): Match the following processes (designated I, II, or III) that represent various types of transport across a biological membrane with the statements designated A-D: 1. Water diffusion through the lipid bilayer of the biomembrane. II. Glucose transport via the glucose transporter in the plasma membrane. III. Pumping of protons across the lysosome membrane by a proton pump similar to the ATP-synthase complex. Write down your answers in the blank space...
Consider a secondary active transporter that uses symport for two molecules, X and Y. If X...
Consider a secondary active transporter that uses symport for two molecules, X and Y. If X is the molecule being actively pumped and Y is present in higher concentration inside the cell, which of the following is true? (It might be helpful to sketch out the situation to visualize it better.) Xis present at higher concentrations inside the cell. X is being pumped from outside the cell into the cell. Xis present at higher concentrations outside the cell. Y is...
Question 1 Which of the following are likely to diffuse through the plasma membrane? glucose K+...
Question 1 Which of the following are likely to diffuse through the plasma membrane? glucose K+ Cl- H20 Na+ CO2 02 lipid Question 4 Which is(are) true about transport across the membrane? Channels can perform either active or passive transport Charged molecules move according to their electrochemical gradients Movement of an ion down its gradient requires energy Transporters are faster but less selective than channels Question 6 In the coupled transport of Na+ and glucose, the transporter O is an...
QUESTION 3 2 points Save Answer Which of the following events releases free energy for metabolic...
QUESTION 3 2 points Save Answer Which of the following events releases free energy for metabolic processes? a. Dissipation of electrochemical gradients b. ATP → ADP + P c. Hydrolysis of inorganic pyrophosphate (PP) d. all of the above OA OB OC OD QUESTION 4 2 points Save Answer Which scenario would not favor glycolysis? a. phosphofructokinase 2 (PFK2) is active b. insulin is secreted c. blood glucose is high d. ATP levels are high oc
What is the answer to question 23.1? 23.1 Active low-pass filter You can make a low-pass...
What is the answer to question
23.1?
23.1 Active low-pass filter You can make a low-pass filter by putting a capacitor Cr and resistor Rf in parallel for Zj as shown in Figure 23.1. At low frequencies (well below the corner frequency), the feedback impedance is approximately Rf and the gain of a non-inverting amplifier is is 1 +R//R,. At high frequencies (well above the corner frequency),the impedance is approx- imately 1/(jwCs), and the gain of a non-inverting amplifier is...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form water Reduced to form CO2 Oxidized to form CO2 Which of the following describes the equation: FAD + XH2 à FADH2 + X. FAD is reduced to FADH2 It is a coupled reduction – oxidation reaction XH2 is oxidized to X All of the above Which of the following is FALSE about glycolysis? The initial steps of glycolysis requires energy derived from the splitting...
QUESTION 36 1 points Save Answer D iets high in red and processed meats are associated...
QUESTION 36 1 points Save Answer D iets high in red and processed meats are associated with cancer development. True False QUESTION 37 1 points Save Answer exercise requiring b) carboh intake, w intakes re more c) the amo training in particular exercise an athlete has d) the need BCCA supplementa to increase protein synth Characteristics of patients with anorexia nervosa include: a. denial of being severely underweight b.unfamiliarity with the caloric content of foods c. a constant urge for...
Add a 0.14/1 pts Partial Question 1 Me Review transmembrane trafficking and then match the term with the best description Save facilitated diffusion Glucose enters absorptive cells this way Primary active transp ATP is hydrolyzed by the same protein that moves a solute against its gradient Oxygen crosses membranes diffusion this way Glucose enters non- absorptive cells this way active transport osmosis A general term describing the movement of solutes FOLLOWING their concentration gradient diffusion A general term describing the...
Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
QUESTION 4 0.07 points Save Answer Active transport compounds move from unbalanced to balanced Low to high High to low All of the above require active transport QUESTIONS 0.07 points Save Answer Crossing the plasma membrane is easy if you Negatively charged Positively charged Are small and have no charge Are macromolecules with charges QUESTION 6 0.07 points Sowe Antwer Equilibrium? concentrations are equal in two areas separated by a semipermeable membrane All these are correct Concentrations are higher inside...
Question 18 (6 points, 1 point for each correct answer): Match the following processes (designated I, II, or III) that represent various types of transport across a biological membrane with the statements designated A-D: 1. Water diffusion through the lipid bilayer of the biomembrane. II. Glucose transport via the glucose transporter in the plasma membrane. III. Pumping of protons across the lysosome membrane by a proton pump similar to the ATP-synthase complex. Write down your answers in the blank space...
Consider a secondary active transporter that uses symport for two molecules, X and Y. If X is the molecule being actively pumped and Y is present in higher concentration inside the cell, which of the following is true? (It might be helpful to sketch out the situation to visualize it better.) Xis present at higher concentrations inside the cell. X is being pumped from outside the cell into the cell. Xis present at higher concentrations outside the cell. Y is...
Question 1 Which of the following are likely to diffuse through the plasma membrane? glucose K+ Cl- H20 Na+ CO2 02 lipid Question 4 Which is(are) true about transport across the membrane? Channels can perform either active or passive transport Charged molecules move according to their electrochemical gradients Movement of an ion down its gradient requires energy Transporters are faster but less selective than channels Question 6 In the coupled transport of Na+ and glucose, the transporter O is an...
QUESTION 3 2 points Save Answer Which of the following events releases free energy for metabolic processes? a. Dissipation of electrochemical gradients b. ATP → ADP + P c. Hydrolysis of inorganic pyrophosphate (PP) d. all of the above OA OB OC OD QUESTION 4 2 points Save Answer Which scenario would not favor glycolysis? a. phosphofructokinase 2 (PFK2) is active b. insulin is secreted c. blood glucose is high d. ATP levels are high oc
What is the answer to question
23.1?
23.1 Active low-pass filter You can make a low-pass filter by putting a capacitor Cr and resistor Rf in parallel for Zj as shown in Figure 23.1. At low frequencies (well below the corner frequency), the feedback impedance is approximately Rf and the gain of a non-inverting amplifier is is 1 +R//R,. At high frequencies (well above the corner frequency),the impedance is approx- imately 1/(jwCs), and the gain of a non-inverting amplifier is...
QUESTION 36 1 points Save Answer D iets high in red and processed meats are associated with cancer development. True False QUESTION 37 1 points Save Answer exercise requiring b) carboh intake, w intakes re more c) the amo training in particular exercise an athlete has d) the need BCCA supplementa to increase protein synth Characteristics of patients with anorexia nervosa include: a. denial of being severely underweight b.unfamiliarity with the caloric content of foods c. a constant urge for...
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