The muscle at the distal end of the stomach (at the entrance to the duodenum):

What will be an ideal response?


pyloric sphincter

Biology & Microbiology

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If the concept of blending inheritance were true, would variation increase or decrease over time?

A. Increase B. Decrease C. stay the same

Biology & Microbiology

All of the following are stages of aerobic cellular respiration EXCEPT

a. glycolysis. b. the citric acid cycle. c. the electron transport chain. d. acetyl CoA

Biology & Microbiology

What respiratory structure produces sound?

a. Pharynx b. Nasal cavity c. Trachea d. Epiglottis e. Larynx

Biology & Microbiology

During ______ both the contents of the nucleus and the cytoplasm are divided

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology