Why is there such a size disparity between the muscles of the pectoral girdle and upper limb compared to the pelvic girdle and lower limb?
What will be an ideal response?
The simplest explaination is that the pelvis and lower limb support the weight of the body. Therefore they must be larger more powerful muscles.
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Regarding the tonicity and osmolarity of solutions, which of the following statements is not true?
A. Hypoosmotic solutions are always hypotonic. B. Isotonic solutions are always isoosmotic. C. The term "tonicity" refers to the effect that a solution has on the degree of stretch or shrinking of the cell membrane. D. Hypertonic solutions are always hyperosmotic. E. The term "osmolarity" refers to the osmotic properties of a solution, regardless of its tonicity.
Describe the pattern of fetal blood flow to and from the placenta
A) Deoxygenated blood flows from the fetus to the placenta through a pair of umbilical arteries, and oxygenated blood returns from the placenta in a single umbilical vein. B) Deoxygenated blood flows from the fetus to the placenta through a pair of umbilical veins, and oxygenated blood returns from the placenta in a single umbilical artery. C) Oxygenated blood flows from the fetus to the placenta through a pair of umbilical arteries, and deoxygenated blood returns from the placenta in a single umbilical vein. D) Oxygenated blood flows from the fetus to the placenta through a pair of umbilical veins, and deoxygenated blood returns from the placenta in a single umbilical artery. E) Deoxygenated blood flows from the fetus to the placenta through a single umbilical vein, and oxygenated blood returns from the placenta through a pair of umbilical arteries.
Coupled reactions Results in a loss of ATP to the cell
What will be an ideal response?
The ________ of the cell packages materials for exportation.
Fill in the blank(s) with the appropriate word(s).