Which inclusion body/bodies is/are hypothesized to direct some bacteria down toward sediments?
a. elemental sulfur granules
b. polyphosphate granules
c. poly-?-hydroxybutyrate (PHB)
d. magnetosomes
Answer: D
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The current cost of sequencing a human genome is
A. about $10 B. about $1,000 C. about $1,000,000 D. over $400,000,000
6) This is what chromosomes other than X and Y are called. _____ 7) A segment on a chromosome that directs the synthesis of a specific polypeptide or protein, which may play either a structural or functional role in the cell. _____ 8) The observable physical traits of an individual. _____ 9) People with dark hair usually also inherit dark eyes. Why is this usually the case? _____ 10) The expression of the trait in heterozygous individuals is somewhere between the expression of the trait in the homozygous recessive and homozygous dominant individual. _____
A) Codominance B) Duplication C) Incomplete dominance D) Heterozygous E) Pedigree F) Phenotype G) Gene H) Deletion I) Autosomes J) Linkage
Which of the following is the correct evolutionary sequence?
A. birds ? reptiles ? fish ? amphibians B. fish ? birds ? amphibians ? reptiles C. reptiles ? birds ? fish ? amphibians D. amphibians ? fish ? reptiles ? birds E. fish ? amphibians ? reptiles ? birds
The sixth mass extinction event is due to the activity of ________.
Fill in the blank(s) with the appropriate word(s).