Which prokaryotic nutritional group use organic substances for carbon and photons for energy?
a. photoautotrophs
b. chemoautotrophs
c. photoheterotrophs
d. chemoheterotrophs
e. methanoheterotrophs
ANSWER: c
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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
Fertilization of plant gametes produces a
a. zygote. b. gametophyte. c. spore. d. meiospore. e. multicellular haploid plant.
Which of the following are NOT polymers:
A. Nucleic acids B. Polysaccharides C. Lipids D. Proteins
During plant cell cytokinesis, what is the name of the structure that forms between the daughter cell nuclei and eventually will become the new cell wall?
A) Constriction ring B) Kinetochore C) Cell plate D) Vesicle wall