Which tastant is NOT correctly matched with its process of depolarization?
A. Bitter - K+
B. Umami - G protein
C. Sweet - G protein
D. Sour - H+
E. Salty - Na+
Answer: A
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Which of the regions of a sarcomere contain titin?
a) the A band only b) the H zone only c) the zone of overlap only d) from M line to Z disc e) the I band only
Because skeletal muscle contractions demand large quantities of ATP, skeletal muscles have
A) A rich nerve supply. B) A rich vascular supply. C) Very few mitochondria. D) Little need for oxygen. E) A large concentration of tissue hemoglobin.
Answer the following questions true (T) or false (F)
1. At its two distinct ends, the clavicle articulates with the manubrium of the sternum and the acromion of the scapula. 2. The radial tuberosity of the radius is the site of the attachment for the deltoid muscle. 3. The pelvic girdle consists of the coxal bones and the sacrum.
Normal levels of intestinal microbiota help protect us from pathogenic bacteria.
Answer the following statement true (T) or false (F)