In an El Nino year, what would we expect to see in deserts in the western United States and in coastal Mexico deserts such as Baja California?
What will be an ideal response?
During El Nino years, precipitation along the Eastern Pacific increases, sometimes dramatically. Desert annuals are adapted to reproduce when moisture is present in the soil. El Nino years could thus produce dramatic increases in desert wildflowers.
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During DNA replication, all of the following proteins are important for separating the DNA strands and allowing movement of the replication fork EXCEPT
A. DNA polymerase. B. helicase. C. topoisomerase. D. single-stranded binding proteins. E. both helicase and topoisomerase.
What are two ways that phage can replicate in harmony (not directly lysing) their host cell?
A. Conjugation and lysogeny B. Lysogeny and transduction C. Extrusion and transformation D. Extrusion and lysogeny
The _____ have a coelom and are radial as adults
a. cnidarians c. annelids b. echinoderms d. placozoans
Select all of the following statements that describe the structure of a molecule of DNA.A) twisted double helixB) single-strandedC) contains the nitrogenous bases, adenine, thymine, cytosine, and guanineD) contains deoxyribose sugarE) contains the nitrogenous bases adenine, uracil, cytosine, and guanine
What will be an ideal response?