What time is shown by the mirror if the real time is 11 : 09 ?

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#Question id: 18735

#Unit 13. Methods in Biology

Phage based recombination systems are used for ____________

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#Question id: 12944

#Unit 13. Methods in Biology

Match the following-

A.Tyrosine kinase.             1. Kaposis sacroma

B.HIV Transactivator.      2. Hypertension

C. Angiotensinogen.         3.Atherosclerosis

D.CET protein                      4. Cardiac hypertrophy

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#Question id: 13012

#Unit 10. Ecological Principles

Which of the following statements about human population in industrialized countries is incorrect? 

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#Question id: 24571

#Unit 10. Ecological Principles

In which case the population eventually decline to extinction?

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#Question id: 2585

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the correct sequence that describes the excitation and contraction of a skeletal muscle fiber?

A. Tropomyosin shifts and unblocks the cross-bridge binding sites.

B. Calcium is released and binds to the troponin complex.

C. Transverse tubules depolarize the sarcoplasmic reticulum.

D. The thin filaments are ratcheted across the thick filaments by the heads of the myosin molecules using energy from ATP.

E. An action potential in a motor neuron causes the axon to release acetylcholine, which depolarizes the muscle cell membrane.