The organism shown here represents the
__________ stage in the life cycle.
a. sporophyte
b. gametophyte
c. haploid
d. motile
e. feeding
Answer: a
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Which of the following most correctly describes the whole-genome shotgun technique for sequencing a genome?
A) genetic mapping followed immediately by sequencing B) physical mapping followed immediately by sequencing C) cloning large genome fragments into very large vectors such as YACs, followed by sequencing D) cloning fragments from many copies of an entire chromosome, sequencing the fragments, and then ordering the sequences E) cloning the whole genome directly, from one end to the other
Which developmental event occurs last?
a. tissue specialization and growth b. gamete formation c. gastrulation d. cleavage e. fertilization
Most of a cell's enzymes are
A) lipids. B) proteins. C) amino acids. D) carbohydrates.
Energy is observed in two basic forms: potential and kinetic. Which of the following is an example of potential energy?
A. waves crashing against the shoreline B. a bowling ball placed on the top shelf of a closet C. a hot cup of coffee D. the mercury rising within a thermometer