Which essential nutrient is most likely to leach from the soil?
A) Ca2+
B) Mg2+
C) K+
D) NO3?
Answer: D
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Knowledge of a pathogen's genome is useful because:
A. It allows scientists to cause mutations in the DNA thereby killing the pathogen. B. It allows scientists to prevent meiosis and the duplication of genes necessary for the survival of the pathogen. C. It allows developing drugs that make antibodies against the pathogen. D. It allows developing drugs that target metabolic pathways unique to the pathogen. E. none of the choices provided
Types of genetic markers include
A) places in the genome where a base varies among individuals in a population. B) places in the genome where all people have identical base sequences. C) the types of mRNAs in a cell. D) the proteins produced in a cell.
________ isolating mechanisms include improper development of hybrids and failure of hybrids to become established in nature.
Fill in the blank(s) with the appropriate word(s).
Cross together two double heterozygous parents for plant height and flower color (genotypes: SsWw for both parents; S = tall, s = short, W = blue, and w = white.) What is the probability that a randomly selected offspring will be tall and have blue flowers?
a. 1/16 b. 3/16 c. 9/16 d. 3/4