The Trigone of the Urinary Bladder Is Created By

question 89

Multiple Choice

The trigone of the urinary bladder is created by:

• A) the internal and external urethral orifices.
• B) the internal and external urethral sphincters.
• C) the openings to the two ureteral orifices and the internal urethral orifice.
• D) the prostatic, membranous, and spongy urethra.

Analyze the impact of environmental factors on the nitrogen cycle and plant growth.

Recognize the importance of symbiotic relationships in the nitrogen cycle, particularly between legumes and Rhizobium.

Identify the factors affecting nitrogenase activity and its role in nitrogen fixation.

Understand the direct utilization of different nitrogen compounds by plants.

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