How can the amount of yard waste produced by people be reduced?
A) through recycling
B) through composting
C) by having people bring their own waste to dumps
D) through burning
B
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Which of the following is not true about Kirby-Bauer disk diffusion method?
A. The diameters of the zones of inhibition are measured to the nearest millimeter. B. The plate is placed at 35°C for 16 to 18 hours of incubation. C. After inoculation of bacteria, the agar surface is dried for about 5 minutes and the appropriate antibiotic test disks are placed on it. D. Bacteria used to swab plate should be at least a week old.
Phenotypic differences between the sexes are called sexual ____
Fill in the blank with the appropriate word.
Sexual reproduction in protists involves diverse strategies. Which of the following is common to all types of sexual reproduction in protists?
A. Isogamy B. Syngamy C. Conjugation D. Heterogamy E. Anisogamy
The substitution of one base pair for another in double-stranded DNA is called a(n):
A. silent mutation. B. risk factor. C. allele. D. heterozygote advantage. E. point mutation.