In humans, goosebumps are a vestige of a mammalian adaptation related to ________
A) thermoregulation
B) water conservation
C) osmoregulation
D) positive feedback
A
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What defines a lipid?
a. They are soluble in water. b. They are insoluble in polar solvents such as water. c. They are polymers. d. They always have a multi-ringed structure.
Possible complications of diabetes include all
EXCEPT a. blindness. b. gum disease. c. kidney failure. d. memory loss. e. lower limb amputation.
Investigators have found a new species bacteria that lives under both aerobic and anaerobic conditions. They hypothesize that different genes are expressed in each condition. What experiment could test this hypothesis and identify important genes?
A. Design primers to a specific region of the genome and sequence this region during both anaerobic and aerobic conditions B. Completely sequence the genome of the bacteria in both aerobic and anaerobic conditions C. Collect mRNA from both anaerobic and aerobic conditions and generate two cDNA libraries D. Measure levels of RNA Polymerase in both conditions
What is the name of the elongated structure that links the embryo to the nutrient tissue of the seed?
A. suspensor B. ovule C. cotyledon D. epicotyl E. style