Relatively large parasites, such as viruses, bacteria, and protozoans, are referred to as ________
Fill in the blank(s) with correct word
macroparasites
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Detritus can be consumed by which of the following primary decomposers?
I) bacteria II) archaea III) fungi IV) earthworms A) only I and III B) only II and IV C) only I, II, and IV D) only II, III, and IV E) only I, II, III, and IV
A competing commercial effort to sequence the human genome was initiated by the company Celera in 1997 . How was their approach different from the Human Genome Project?
A. They generated overlapping clones from YAC and BAC libraries that were identified by hybridization and organized into long contiguous stretches called contigs. B. Libraries of individual chromosomes were generated and overlapping clones were isolated before sequencing. C. They used a whole-genome shotgun sequencing method that eliminates the step of assembling a physical map of the genome. D. They used sequence tagged sites (STS) and expression sequence tags (EST) to order contigs prior to sequencing. E. They sequenced the entire genome from one female donor.
A scientist is investigating a hormone response in rose bush stems by removing the apical meristems of the main stems. What is the most likely result of this experiment and what hormone is responsible?
A. New apical buds will develop under the influence of auxin. B. Larger, deeper roots will form under the influence of cytokinin. C. More leaf buds will appear along the main stems under the influence of auxin. D. Flowers will turn yellow and fall off under the influence of auxin. E. Lateral buds will develop under the influence of cytokinin.
Regulatory factors that bind to enzymes ____
a. always increase enzyme activity b. always decrease enzyme activity c. alter the shape of the enzyme d. alter the pH at which the enzyme works e. alter the temperature at which the enzyme works