Refer to the diagram below of the mammalian circulatory system.
If blood is going from the lungs to space 3, what is the name of space 3?
A. Left atrium
B. Right atrium
C. Pulmonary vein
D. Aorta
E. Left ventricle
F. Right ventricle
Answer: A
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A recipient cell that is temporarily diploid for a portion of the genome during the replacement process is called a(n) ________.
A. exogenote B. merozygote C. endogenote D. None of the choices are correct.
Which element's isotope is commonly used to determine when biological samples such as fossils, were formed?
A. oxygen B. hydrogen C. carbon D. nitrogen E. sulfur
Galagos, lemurs, and lorises are the living members of which of the following mammalian lineages?
a. Strepsirhini b. monotremes c. Rodentia d. Haplorhini e. marsupials
Which best describe the structure of complex II?
A) An L-shaped structure that spans the membrane and partially extends into the mitochondrial matrix. B) A structure firmly anchored to the membrane by many ?-helices that span the lipid-bilayer. C) Three identical multisubunit enzymes that associate to form a mushroom-shaped structure. D) Has a core structure of three conserved subunits, one of which forms a ?-barrel on the exterior surface of the membrane.