Recent molecular research shows that plant responses to stress involve the same chemical steps as
______ responses to stress.
a. fungal
b. amphibian
c. algal
d. human
e. bacterial
D
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Compare the following: bacterial species, bacterial strain, and bacterial type. Explain the relationship and development of strains and types to a species.
What will be an ideal response?
Which of the following inheritance patterns is matched with an inaccurate molecular basis?
A. Incomplete dominance: The protein produced by a wild-type allele affects the phenotype in a concentration-dependent manner. B. Codominance: Two proteins are produced in heterozygotes. C. Sex-influenced: Hormones alter the expression of proteins encoded by dominant and recessive alleles. D. X-linked: Hemizygotes with the recessive allele do not make a functional protein, but heterozygotes do. E. Simple Mendelian inheritance: The protein produced by a single allele cannot produce the dominant phenotype.
Crop rotation occurs where different types of plants are grown on the land each season. If you had no access to chemical fertilizers, which of the following would be best to include in your rotation cycle?
A) corn B) tobacco C) cotton D) beans
If oxygen had been present at the beginning of organic evolution, one hypothesis suggests that
A. evolution would have been speeded up. B. evolution would have been speeded up only for plants. C. no change would be noted. D. life would not have evolved.