Which of the following matings would have the highest frequency of chromosomal gene transfer?
A. F+ x F-
B. F' x F-
C. Hfr x F-
C
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What cell type would have a high concentration of metabolic enzymes?
A. nerve cell B. mammary cell C. lung cell D. liver cell E. cartilage cell
You grow pea plants in eight different treatment scenarios. You record each plant's growth, and then calculate the average growth of the plants for each treatment. Which type graph would display this information best?
A. Bar graph B. Line graph C. Pie chart D. Scatter plot
Which agent can cause an infection that can ultimately develop into pelvic inflammatory disease in women?
A) herpes simplex virus type 2 B) papilloma virus C) Candida D) Chlamydia
Endospores are
A. metabolically inactive. B. resistant to heat and chemical destruction C. resistant to destruction by radiation. D. All of the other choices are correct. E. living structures.