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which of the following is the result of biological magnification?
a. toxic chemicals in the environment pose greater risk to top level predators than primary consumersb. populations of top level predators are generally smaller than populations of primary consumersc. the biomass of producers in an ecosystem is generally higher than the biomass of primary consumersd. only a small portion of the energy captured by producers is transferred to consumerse. the amount of biomass in the producer level of an ecosystem decreases if the producer turn over time increases
why it is important to conserve population level diversity.
Describe the hormonal regulation of reproduction in male and female humans. (Hint: Include the ovarian and uterine cycles and what happens during pregnancy.)
Most physiological processes in the body can be regulated at three different levels autoregulation within the organ itself, nervous regulation, and hormonal regulation.
A researcher wants to develop a test that will distinguish charophytes and land plants from green algae. Which chemicals would be the best subject for such an assay.
A purified, active preparation of carbonic anhydrase was submitted to native polyacrylamide gel electrophoresis at alkaline pH. Three major bands were observed after staining
During sleep, relay neurons in the thalamus reduce information reaching the cerebrum by altering their membrane potential. In diagnosing bacterial and viral infections of the nervous system, samples of CSF are extracted from the spinal cord.
How are the following fruits different? Explain.
What are the most common types of tumors in the central nervous system and explain their causes.
Explain the effect of both Carbon Dioxide and Oxygen on the enzyme Rubisco during the Calvin Cycle and effect of both ATP and AMP on the regulation of glycolysis.
What are the roles of ACC2 and biotin in the Krebs cycle-- specifically how do they interact with each other during the cycle?
The normal sequence of aparticular protein is given here, along with several mutantversions of it. For each mutant, explain what mutation occurred in the coding sequence of the gene. Assume only a single mutationalevent explains each altered amino..
Which of the following statements correctly and most accurately describes the function of FAD in the pyruvate dehydrogenase enzyme complex?
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