The Z line consists of parts of actin filaments on two adjacent sarcomeres
____________________ Indicate whether the statement is true or false.
False - I band
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Polar bears are classified as a threatened species because
a. they have reduced hunting success. b. they have reduced reproductive success. c. their habitat is decreasing in size. d. all of these
Which of the following does not provide molecular evidence for evolution?
A) The 1,000-fold differences in nonsynonymous substitutions between some genes B) The existence of pseudogenes C) The fact that high-expression genes use amino acids that are less energetically costly than those used by low-expression genes D) The fact that there is a lower rate of nucleotide substitutions in coding regions than in noncoding regions of genes E) All these are molecular evidence for evolution
________-driven promoters are comprised of an Inr sequence and a TATA box with or without an associated BRE
Fill in the blank with correct word.
Which factors contribute to the relationship between ectomycorrhizal fungi and plants? Choose all that apply.
A. The plant supplies the fungus with organic products of photosynthesis. B. Minerals flow from root cells to fungal hyphae, while organic food molecules move from hyphae to root cells. C. The microbiome protects plants from ectomycorrhizal fungi, which take organic molecules from the plant without providing any benefit in return. D. Hyphae from mycorrhizal fungi extend further into the soil than the roots, to access more water and minerals. E. Plant roots can grow farther into the soil to find water when there aren't fungal hyphae in the way.