Which research topic would fall within the area of systems biology?
a. looking at the interaction of Gene X and Gene Y in cancer cells
b. understanding how stress hormones affect the organs in the human body
c. designing a new valve for a heart
d. finding a novel receptor for a known hormone
e. determining the bacteria levels in Lake Michigan before and after a rainfall
b
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The researcher determines that an average nest incubation temperature of 32 – 33?C results in the birth of male crocodiles, while higher and lower incubation temperatures result in female crocodiles. What is the most likely explanation for this phenomenon?
A. Since this phenomenon is influenced by an external stimuli (temperature), it cannot be attributed to changes in either the genome or the proteome. B. Incubation temperature changes both the crocodilian genome and proteome. C. Incubation temperature results in a change in the crocodilian proteome. D. Incubation temperature results in a change in the crocodilian genome.
Which of the following syndromes may result from infection by an arthropod-borne virus?
A. Encephalitis, often with a high fatality rate B. Hemorrhagic fevers C. Fevers of undifferentiated type with or without a rash D. All of the choices are correct.
The enzymes and electron carriers involved in electron transport and oxidative phosphorylation are located in the ________ membrane of the mitochondrion.
A. outer B. inner C. inner and outer D. neither inner nor outer
By 250 mya, the seed plants called ____ were our planet’s dominant flora
a. hepatophytes b. lycophytes c. bryophytes d. angiosperms e. gymnosperms