Sexually transmitted diseases caused by viruses include herpes, AIDS, and
A) trichomoniasis.
B) syphilis.
C) human papillomavirus (HPV).
D) gonorrhea.
E) chlamydia.
C
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Which tree depicts the microsporidians as a sister group of the fungi, rather than as a fungus?
A) I B) II C) III D) IV
A reproductive cell, or gamete, has:
A. one allele for each gene. B. two alleles for each gene. C. one allele for each gene if it is homozygous and two if it is heterozygous. D. one allele for each gene if it is truebreeding and two if it is an F1 offspring. E. between one and four alleles for each gene.
Which process results in microevolution without any form of natural selection?
a. genetic drift b. mutation c. development of new characteristics during an individual's lifetime d. genetic variation e. nonrandom mating
Which of the following cell organelles is responsible
for disposal of H2O2? a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. peroxisomes