In what part of the ocean are phytoplankton found?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone
A
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Describe the fluxes of hormones in the female reproductive cycle, and the physiological consequences of those fluxes on the cycle.
What will be an ideal response?
Downward bending of a seedling root can be blocked by ____
a. moving it to a dark room b. auxin transporters c. auxin transport inhibitors d. mutations in genes that code for auxin transport proteins e. auxin transport inhibition and mutations in genes that code for auxin transport proteins
Which of the following is NOT involved in nitrogen
fixation? a. breaking triple bonds b. production of NH3 c. production of NO3– d. production of NH4+ e. All of these are involved in nitrogen fixation
Which of the following best describes the significance of the TATA box in eukaryotic promoters?
A) It is the recognition site for a specific transcription factor. B) It sets the reading frame of the mRNA. C) It is the recognition site for ribosomal binding. D) Its significance has not yet been determined.