Secondary active transport

A Allows the movement of molecules against their electrochemical gradients.
B Allows the movement of molecules by conformational changes is carrier proteins.
C Uses energy created by electrochemical gradient.
D Uses cellular ATP.
E Is a form of passive transport.

Correct Answer: Allows the movement of molecules against their electrochemical gradients., Allows the movement of molecules by conformational changes is carrier proteins., Uses energy created by electrochemical gradient.

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Related Questions

There are six teachers. Out of them two are primary teachers and two are secondary teachers. They are to stand in a row, so as the primary teachers, middle teachers and secondary teachers are always in a set . The number of ways in which they can do so, is-
A 52
B 48
C 34
D None of these
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:
A One-half the primary current
B Same as the primary current
C Twice the primary current
D No more than 10% less than the primary current
E None of the above
একটি স্টেপ আপ ট্রান্সফরমারে, গৌণ কুণ্ডলীর পাকসংখ্যা মুখ্য কুন্ডলীর পাকসংখ্যার দ্বিগুণ। যদি মূখ্য কুন্ডলীকে কোন পরিবর্তী বিদ্যুৎ লাইনের সাথে সংযুক্ত করা হয়, তাহলে মুখ্য কুণ্ডলীর তুলনায় গৌণ কুণ্ডলীতে- (In a step up transformer, the number of turns in the secondary coil is twice to that of primary coil. If you apply an alternating current in the primary coil, then in the secondary coil compared to the primary coil-)
A তড়িৎ প্রবাহের মান দ্বিগুণ হবে (current will be doubled)
B তড়িৎ প্রবাহের মান অর্ধেক হবে (current will be halved)
C তড়িৎ বিভবের মান অর্ধেক হবে (voltage will be halved)
D তড়িৎ প্রবাহের মান সমান থাকবে (Current will remain the same)
Primary active transport of hydrogen ion proton pump occurs in
A Gastric glands
B Cortical collecting ducts of the kidneys
C Osteoclasts of bone
D Ventricles of the brain
E Capillaries in the lungs
Examples of active transport include
A Na+ reabsorption in the distal tubules of the kidney
B Ca++ uptake by sarcoplasmic reticulum of muscles
C Movement of O2 from pulmonary alveoli into blood
D Uptake of LDL cholesterol by the cells
E Chloride shift between RBC and plasma
The examples of active transport are
A Na+- K+ pump in cell membrane
B Na +- H+ exchange in distal convoluted tubular cells
C Na+ linked glucose uptake by the enterocytes
D Cl-- HCO3- exchange in RBC membrane
E Na+- K+ leaking in the cell membrane
Which one of the following is active transport?
A It is the movement of a substance against a diffusion gradient with the use of energy from respiration
B It is the movement of a substance against a diffusion gradient without the use of energy
C It is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis
D It is the movement of a substance along a diffusion gradient with the use of energy from respiration
In each of the following questions, a sentence has been given in Active (or Passive) voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive (or Active) voice :- I know him.
A He is known by me.
B He was known to me.
C He has been known by me.
D He is known to me.
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the
A Lewis-Randall rule
B Statement of Vant-Hoff equation
C Le-Chatelier's principle
D None of these
The insurance policy that covers risk of robbery or theft for cash, stamps securities, money orders, postal orders etc. whilst carried by normal mode of transport is called-
A Cash on Counter Insurance Policy
B Cash in Transit Insurance Policy
C Cash in Safe Insurance Policy
D All of these

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