Of the two lungs, the one on the left is usually smaller than the one on the right. This provides space for the ________
Fill in the blank(s) with correct word
heart
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In general, lipids in archaeal cytoplasmic membranes lack true fatty acids
Indicate whether the statement is true or false.
What is the major difference between the endosymbiotic relationship theory and the symbiotic relationship theory?
A. In the endosymbiotic relationship theory a archaeon engulfs a bacterium while in the symbiotic relationship theory a archaeon and bacterium unite, joining their plasma membranes. B. In the endosymbiotic relationship theory an archaeon and bacterium unite, joining their plasma membranes while in the symbiotic relationship theory an archaeon engulfs a bacterium. C. The endosymbiotic relationship theory explains the origin of mitochondria and chloroplasts, but not the nucleus; the symbiotic relationship theory explains the origin of mitochondria, chloroplasts and the nucleus. D. The symbiotic relationship theory explains the origin of mitochondria and chloroplasts, but not the nucleus; the endosymbiotic relationship theory explains the origin of mitochondria, chloroplasts and the nucleus.
A likely biological basis of major depressive disorder is
A) reuptake pumps for serotonin in the presynaptic neuron membrane that are overactive, depleting serotonin in the synapse. B) absent reuptake pumps for serotonin in the presynaptic neuron membrane. C) reuptake pumps for serotonin in the postsynaptic neuron membrane that do not function adequately. D) reuptake pumps for serotonin in the postsynaptic neuron membrane that are overactive, depleting serotonin in the synapse.
When scientists transferred the gene for the AVP receptor from male voles into male mice, the male mice
a. began to eat roots, a preferred food of voles b. attempted to locate and mate with female voles c. preferred female mice they had already mated with to new females d. ceased normal social behaviors such as grooming and co-sleeping e. became aggressive and territorial