The problem in synthesizing the 3' end of chromosomes is solved by the use of the telomerase enzyme
Indicate whether the statement is true or false
TRUE
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Recall that C4 plants tend to have higher rates of photosynthesis compared to C3 plants (under normal 21% O2 atmospheric conditions). If photosynthetic rates are higher, why aren't all plants C4 plants?
A. Because of the need to regenerate PEP, C4 photosynthesis utilizes more energy vs. C3 photosynthesis. B. Because of rubisco, C4 photosynthesis utilizes more O2 vs. C3 photosynthesis. C. Because of mesophyll cells, C4 photosynthesis requires more chlorophyll. D. Because of leaf veins, C4 photosynthesis requires more H2O.
You and your neighbor each have a holly bush in your yards. You carefully water and care for your bush, but it fails to produce berries. Your neighbor, on the other hand, neglects his holly, yet it produces gorgeous red berries each year. Finally, in frustration, you replace your holly with a rose bush. The next year, your neighbor’s holly bush has no berries at all. What happened?
A. Roses compete for the same insect pollinators as holly bushes. B. Holly plants are dioecious. Yours was a male that was needed to pollinate the neighbor’s female. C. Roses secrete a chemical that inhibits the reproduction of neighboring plants. D. The neighbor’s bush became infected with the same disease that yours had. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about dioecious plants? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which interaction is advantageous to both populations?
a. commensalism b. competition c. mutualism d. parasitism e. predation
Closure of the internal nares is a transition seen in going from fish to mammal
a. true b. false