Which of the following statements about mercury is false?
a. methyl mercury compounds are un...
Biology, 19.08.2019 18:20 stupidsmoke4272
Which of the following statements about mercury is false?
a. methyl mercury compounds are unusual in that they cannot cross the body's blood-brain barrier.
b. significant amounts of mercury are released into the environment during the smelting of other metals.
c. human exposure to mercury is primarily by eating marine animals containing high levels of mercury.
d. methyl mercury compounds are more toxic forms of mercury that readily enter the food web.
e. methyl mercury compounds persist in the environment for a long time.
Answers: 2
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In sweet pea, gene c is responsible for color production and gene p is responsible for the purple color pigment. both of them are located on two different loci on different chromosomes. the flowers will be purple only when the plant has the genotypes as c_p_. no color will be produced with genotypes: ccpp, ccpp, ccpp, ccpp. thus, gene c controls the expression of gene p. what pattern of inheritance is exhibited here? a. pleiotropy b. epistasis c. multiple alleles
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This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.
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