Which type of ecosystem has low primary production but nonetheless contributes a large proportion of Earth's total net primary production?
A) tropical rain forest
B) coral reef
C) open ocean
D) desert
C
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In an HFR × F+ mating, the conjugation bridge usually breaks before chromosomal transfer is complete. Therefore, the recipient remains F-.
Answer the following statement true (T) or false (F)
Which of the following is NOT TRUE of the absorptive period?
A. Glucose absorption from the gut is high. B. Glucose utilization by cells is high. C. Fat utilization by cells is high. D. Synthesis of triglycerides is high. E. Breakdown of glycogen is low.
All of the following are ways to determine the function of annotated genes except
a. looking for similar gene sequences of known function b. examining the putative protein structure c. gene knockout experiments d. gene knockdown experiments e. finding a pseudogene for that gene
Neuroendocrine cells release neurohormones which are transported through contact or diffuse through interstitial
fluid. Indicate whether the statement is true or false.