If you focus on the data from the mid-1900s (indicated by the arrow) through today, the graph shows that
A) there is a correlation between CO2 and temperature; when CO2 levels are high, so is temperature.
B) there is a correlation between CO2 and temperature; when CO2 levels are high, temperature is low.
C) there is no correlation between CO2 and temperature; CO2 fluctuates randomly and temperature is constant.
D) there is no correlation between CO2 and temperature; CO2 is constant and temperature fluctuates randomly.
Answer: A
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Describing the protein causing red blood cells to be sickle-shaped is referring to the protein's:
A. phenotypic function B. cellular function C. molecular function
All of the following are characteristics of RNA polymerase III promoters except:
A. the promoters contain two specific segments for transcription factor binding that lie within the coding sequences. B. the TATA box is for TFIIIB binding. C. promoter boxes A and B are bound by TFIIIC and lie downstream of the transcriptional start site. D. within a species, all core promoters are the same. E. All of the given characteristics are true of RNA polymerase III promoters.
Animal cells divide by
a. budding. b. contracting. c. pinching. d. cell plate formation. e. more than one of these
When pH levels in the blood get too low, chemical buffers are released that return blood pH back to normal levels
This is an example of ___.
a. negative feedback b. positive feedback c. ectothermal reactions d. sensory perception e. endothermal reactions