Inorganic nitrogen must be converted to ammonia to be used by a cell.
Answer the following statement true (T) or false (F)
True
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To a large extent, a protein's function is dependent upon its shape. What determines a protein's shape?
A. The number of amino acids B. The sequence of amino acids C. The location of the active site D. The number of peptide bonds
Which of the following is not true? a. Even if the total fertility rate drops to the replacement level, population will continue to increase for over 50 years
b. China has a wide-reaching family planning program. c. World population is expected to peak at 8.9 billion in 2050. d. The worldwide total fertility rate has been increasing steadily for 50 years.
Which of the following occurs during assembly?
A. Viral spikes insert in host cell membrane. B. The nucleocapsid is formed. C. The viral envelope and the host cell membrane fuse. D. The nucleocapsid is formed and viral spikes insert in host cell membrane. E. New viral nucleic acid is formed.
Four of the five choices listed below are involved
directly in water movement through plants. Select the exception. a. negative pressure b. transpiration c. cohesion-tension d. tension in xylem e. photosynthesis