"Red tides" are produced by massive blooms of
A. ciliates.
B. green algae.
C. dinoflagellates.
D. apicomplexans.
E. amoebozoans.
Answer: C
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We expect the fossil record to be incomplete for all of the following reasons EXCEPT:
A. All biomolecules, including lipids and pigment molecules, decay immediately after death. B. Fossilization requires burial in sediment. C. Sediments accumulate irregularly. D. Organisms with hard parts tend to fossilize more readily than soft-bodied organisms. E. Under normal conditions, organisms are broken down by biological and physical processes.
What is the correct order of the components of a negative feedback loop?
a. stimulus ? integrator ? sensor ? effector(s) ? compensatory response b. stimulus ? sensor ? integrator ? effector(s) ? compensatory response c. stimulus ? effector(s) ? integrator ? sensor ? compensatory response d. sensor ? integrator ? stimulus ? effector(s) ? compensatory response e. sensor ? stimulus ? integrator ? effector(s) ? compensatory response
A(n) ________ is a ring of coral reefs and islands surrounding a lagoon that is formed when a volcanic mountain subsides beneath the surface
Fill in the blank(s) with correct word
During translation, where does the energy for translocation come from?
a. from the breaking of bonds between tRNA and mRNA b. from hydrolysis of GTP c. from the breaking of bonds between mRNA and the ribosome d. from the removal of a tRNA from the E site