According to the research, the infraspinatus contributes to external rotation of the glenohumeral joint.
<h3>What is the infraspinatus?</h3>
It is a flat muscle, which is part of the rotator cuff of the shoulder, it fulfills the function of stabilizing the joint surfaces involved in the glenohumeral joint, performing external rotation.
In other words, this muscle performs similar movements and shares the same place where they are inserted, with the supraspinatus, the teres minor and the subscapularis.
Therefore, we can conclude that according to the research, the infraspinatus contributes to external rotation of the glenohumeral joint.
Learn more about glenohumeral joint here: brainly.com/question/11501423
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Circular folds act to slow down the movement of chyme and ensure that it remains within the small intestine for maximal nutrient absorption.
<h3>What is digestion?</h3>
Digestion is the physiological process of breaking down foods to obtain energy and matter by part of the body.
The chyme is a mass of food that has already been digested by different types of digestive enzymes.
The chyme is a mass generated by secretions in the stomach organ as well as in the small intestine.
Learn more about the chyme here:
brainly.com/question/17315460
Dominant. Lowercase would be recessive.
The answer is <u>B: a mutation inhibiting human immunodeficiency virus from entering the host cell</u>
