HIV (human immunodeficiency virus) must use its own ________ to reproduce
A) DNA polymerase
B) reverse transcriptase
C) RNA polymerase
D) tRNA
B
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The sub-atomic particle with a positive charge is _____
A. a neutron B. an isotope C. an electron D. a proton E. an ion
Type 1 fucosidosis is a rare human disease. Patients cannot hydrolyze the disaccharide fucose, and as a result have severe neurological decline and die by age 6. The disease is due to a defect in the gene that encodes the lysosomal enzyme that breaks down fucose (?-1-fucosidase), and is inherited in an autosomal recessive manner. Which of the following statements is ACCURATE about Type1
fucosidosis? A. Ff and ff individuals will have the disease B. Ff individuals will have the disease, because anyone with the mutant allele will have the disease C. Ff individuals make enough ?-1-fucosidase to break down fucose and do not exhibit the condition D. Two carriers for Type I fucosidosis have no chance of having a normal child E. Both Ff individuals will have the disease, because anyone with the mutant allele will have the disease AND two carriers for Type I fucosidosis have no chance of having a normal child
People who cannot become infected with HIV have
A) extra T cells. B) deletions in the genes encoding the CCR5 coreceptors. C) a gene encoding a protein that attacks the virus. D) anti-HIV antigens.
Place each of the following terms with the correct statement.A. CoevolutionB. Defensive colorationC. CamouflageD. Secondary chemical compoundsE. Batesian mimicryChemical compounds produced by plants that are not components of major metabolic pathways.
Fill in the blank(s) with the appropriate word(s).