If a virus utilizes a lytic life cycle of reproduction, it will not induce tumors
Indicate whether this statement is true or false.
TRUE
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Rods are
A. concentrated in the fovea. B. sensitive mainly to blue, green, or red light in humans. C. the only photoreceptors which contain opsins. D. the only photoreceptors which contain rhodopsin. E. concentrated in the fovea and sensitive to colors.
his4 trp1; his4 trp1; HIS4 TRP1; HIS4 TRP
A haploid yeast strain has mating type a and genotype his4 TRP1. A different haploid yeast strain has mating type ? and genotype HIS4 trp1. The two strains mate and produce diploid offspring with genotype his4 TRP1 / HIS4 trp1. The diploid cells undergo meiosis to produce a variety of tetrad types. In the following questions, the genotypes of the spores in a tetrad are shown. For each tetrad, tell what type it is: parental (PD), non-parental (NPD), or tetratype (T). A) PD B) NPD C) T D) cannot be determined
Which of the following is not a secondary compound produced by plants?
a. caffeine b. nicotine c. resin d. cyanide e. chlorophyll
A lipoprotein is a combination of a protein and
a. cholesterol, triglycerides and phospholipids. b. oligosaccharides. c. fatty acids. d. nucleic acids. e. collagen.