What is the loss of fertilizer and pesticides from soil by water moving through it?
A) the pesticide treadmill
B) biomagnification
C) soil erosion
D) runoff
D
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Epitokes of polychaetes are:
a. feeding structures. b. respiratory structures. c. reproductive individuals. d. excretory structures. e. feeding individuals.
Which one of the following pairs is incorrectly matched with antibiotic and its target?
A) penicillin; gram positive bacteria B) nystatin; fungi C) tetracycline; viruses D) griseofulvin; fungi
Which of the following regarding Candida albicans is incorrect?
A) Candida albicans is a budding yeast that forms psuedohyphae when it invades tissue B) Candida albicans causes thrush C) Candida albicans is transmitted primarily by respiratory aerosol D) Impaired immunity is an important factor for the disease
In yeast, heterochromatin formation and transcriptional repression can be facilitated by transcripts of
a. telomeric simple sequence satellites. b. intronic sequences. c. histone genes. d. centromeric simple sequence satellites. e. nested genes.