A hemoglobin molecule contains ________ globular protein subunits
A) 1 alpha and 1 beta
B) 2 alpha and 2 beta
C) 2 alpha and 3 beta
D) 4 alpha
E) 4 beta
Answer: B
Anatomy & Physiology
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Epithelial cells that are adapted for absorption usually have ________ at their free surface
A) mitochondria B) cilia C) microvilli D) junctional complexes E) Golgi complexes
Anatomy & Physiology
What physiological process is depicted in this figure?
a) Venous blood blockage b) Skeletal muscle pump c) Respiratory pump d) Thoroughfare channels e) Anastomosis
Anatomy & Physiology
Which of the following is regulated by a positive feedback mechanism in females?
A) menstruation B) fertilization C) ovulation D) implantation
Anatomy & Physiology
The widest intervertebral discs are found in the ________ region
A) cervical B) thoracic C) lumbar D) sacral E) coccygeal
Anatomy & Physiology