Which of the following is a special adaptation for brachiation in primates?
a. One offspring per pregnancy
b. A rotating shoulder joint
c. A complex placenta
d. Large eye sockets
b. A rotating shoulder joint
A rotating shoulder joint is a special adaptation for brachiation—tree-dwelling—in primates. Other adaptations for arboreal living include a big toe that is separated from the other four digits, and stereoscopic vision.
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Anemia refers to ____
a. too many or abnormal red blood cells b. too few or abnormal white blood cells c. too few or abnormal red blood cells d. too many or abnormal white blood cells e. a form of leukemia
Sister and Non-Sister Chromatids
What will be an ideal response?
A ribosome has one binding site for mRNA and two binding sites for tRNAs
__________________ Indicate whether the statement is true or false.
A nosocomial infection is
a. Always present but is inapparent at the time of hospitalization. b. Acquired during the course of hospitalization. c. Always caused by medical personnel. d. Only a result of surgery. e. Always caused by pathogenic bacteria.