Which of the following is not present in DNA?
A. Double helix
B. Minor groove
C. 5'-carbon
D. Alpha carbon
E. 3'-hydroxyl
Answer: D
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Assume that one allele is completely dominant over the other for the following questions.
a. Two individuals heterozygous for a single trait have children. What is the expected phenotypic ratio of the possible offspring? b. Two individuals heterozygous for two traits have children. What would be the expected phenotypic ratio of the possible offspring? c. Crossing two individuals heterozygous for two traits results in the same phenotypic ratio as for a single trait. Are the genes for these two traits on separate chromosomes or on the same chromosome? Explain your answer. (Remember that the gene for each trait is located at a locus, a physical region on the chromosome.) Yes, the traits would be on the same chromosome as the loci are linked.
S. aureus clumping factor
A. causes fibrinogen to clump together. B. causes bacteria to clump together in plasma. C. reacts with prothrombin. D. produces staphylothrombin.
A biome is
A) the thin layer surrounding the Earth that supports all life. B) all the populations of different species living and interacting within an ecosystem. C) a broad-scale region dominated by similar types of ecosystems. D) an area of land or water composed of a patchwork of communities and ecosystems.
Which is true concerning active sleep/REM sleep?
What will be an ideal response?