Solar aquatic systems constructed by biologist John
Todd work with all of the following EXCEPT
a. decomposers that degrade waste.
b. plants that grow on nutrients released.
c. heat from sunlight that speeds degradation.
d. an artificial marsh used to filter algae.
e. aquatic fish and birds used to finish the process.
Answer: e
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What are the membrane-bound sacs that live within a eukaryotic cell and perform specialized functions called?
a. proteins b. lipids c. atoms d. organelles
Tay-Sachs disease
a. is controlled by a simple recessive gene. b. is a sex-linked disease more common in males. c. occurs only in those individuals that receive two copies of a defective recessive gene. d. is the result of the failure of chromosomes to separate so that an individual receives three instead of two chromosomes. e. depends on which parent passes the gene to the child.
Mitosis is division of the ________, whereas cytokinesis is division of the ________
A) prokaryotic cell; eukaryotic cell B) chromatid; chromosome C) nucleus; cytoplasm D) nucleus; chromosome
Two chromosomes in a nucleus that carry genes controlling the same inherited characteristics are
A) homologous chromosomes. B) sister chromatids. C) complementary chromosomes.