Nonpolar molecules are water soluble.
Answer the following statement true (T) or false (F)
False
Nonpolar molecules are not water soluble.
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Based on the principle of species individuality, how would you predict that climate change would affect the geographical range of species within a community?
A. Each species would shift its range in a unique manner, according to its physiological needs. B. All species in the community would migrate together as a "superorganism", because all species are connected. C. Assemblages of species would migrate together in predictable groups. D. Only the competitively dominant species would shift their ranges; less competitive species cannot adapt to climate changes.
One function of the 5' UTR (untranslated region) of mRNA is to
a. control the half-life of mRNA. b. extend the half-life of mRNA. c. decrease the half-life of mRNA. d. stabilize the mRNA structure. e. bind ribosomes for initiating translation.
The energy used to generate most of the ATP
formed in aerobic respiration is released when electrons are passed from NADH along a chain to a. oxygen. b. acetyl CoA. c. FADH. d. CO2.. e. NADPH
You decide to do an experiment with isolated myofibrils to explore the effects of ATP hydrolysis on myofibril function. You do this by bathing the myofibrils in a solution that contains a modified form of ATP, which cannot be split into ADP and Pi. At what step will myofibril function be arrested by using this compound instead of unmodified ATP?
A. The myosin heads will remain attached to the actin filaments after the power stroke. B. Myosin heads will bind to the actin filaments, but the power stroke will not occur and actin filaments will not slide over the myosin filaments. C. Myosin heads will be unable to bind to the actin filaments. D. Myosin molecules will be unable to assemble into thick filaments. E. There will be no block in the cycle, since ATP hydrolysis is not required for this process.