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Choose the correct signal transduction pathway.

Choose the correct signal transduction pathway. Correct Answer Hormone → 7 TM receptor → G protein → cAMP → PKA

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A signal molecule for this signal transduction pathway is
Consider the following statements regarding modulation : 1. The communication systems, where a weak signal is transmitted by the use of a modulation is essential in carrier signal. 2. When the frequency of the high frequency signal is varied in accordance with the intensity of the low-frequency weak signal, the modulation is said to be frequency modulation. 3. The process of recovering original baseband signal from the modulated signal is called phase modulation. Which of the above statements are correct ? 
Arrange the following sequence of extracellular signaling in the correct order? 1) Transport of signal to a target 2) Start of signal transduction pathways 3) Signaling cell synthesize and release signaling molecules 4) Binding of the signal to the specific receptor
Which out of the following is not involved in signal transduction by β-adrenergic receptor pathway?
Consider the following solution to the producer-consumer synchronization problem. The shared buffer size is ?. Three semaphores empty, full and mutex are defined with respective initial values of 0, ? and 1. Semaphore empty denotes the number of available slots in the buffer, for the consumer to read from. Semaphore denotes the number of available slots in the buffer, for the producer to write to. The placeholder variables, denoted by P, Q, R, and S, in the code below can be assigned either empty or full. The valid semaphore operations are: wait ( ) and signal ( ). Producer: Consumer: do {         wait (P) ;         wait (mutex) ;         //Add item to buffer         signal (mutex) ;         signal (Q) ; } while (1) ; do {          wait (R) ;          wait (mutex) ;          //Consume item from buffer          signal (mutex) ;          signal (S) ; } while (1) ;   Which one of the following assignments to P, Q, R and S will yield the correct solution?
A rectangular pulse train s(t) as shown in the figure is convolved with the signal cos2(4π × 103t). The convolved signal will be a
Signal Processing mcq question image
The magnitude and phase of the complex Fourier series coefficient ak of a periodic signal x(t) are shown in the figure. Choose the correct statement from the four choices given. Notation: C is the set of complex number, R is the set of purely real numbers, and P is the set of purely imaginary numbers.
Signal Processing mcq question image
Which of the following is the correct assumptions regarding the respiratory balance sheet? None of the intermediates in the pathway are utilized to synthesize any other compound. Only glucose is being respired – no other alternative substrates are entering in the pathway at any of the intermediary stages. 
Which of the following is the correct assumptions regarding the respiratory balance sheet? There is a sequential, orderly pathway functioning, with one substrate forming the next and with glycolysis, TCA cycle, and ETS pathway following one after another. The NADH synthesized in glycolysis is transferred into the mitochondria and undergoes oxidative phosphorylation.
A signal contains components at 400 Hz and 2400 Hz This signal modulates a carrier of frequency 100 MHz. However, after demodulation, it is found that the 400 Hz signal component is present. The channel bandwidth is 15 kHz. What is the reason for the higher frequency signal not to be detected properly?