A carbohydrate consists of
a. amino acid units.
b. one or more sugar units.
c. lipid droplets.
d. glycerol.
a
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If you crossed flies heterozygous for the Cy allele, what phenotypes would you find in the adult F1 generation?
Let Cy = curly wings and Cy+ = wild type. In Drosophila, the Cy allele behaves as a dominant mutation that produces curly wings in the heterozygous condition (Cy/Cy+), but also behaves as a recessive lethal mutation. Flies homozygous for the Cy allele die before reaching adulthood. A. both wild type and curly wings B. wild type only C. curly wings only D. None because all the F1 flies would die before reaching adulthood. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about dominant and recessive alleles? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
The primary drug of choice for infections caused by S. maltophilia is:
a. a <-lactam agent in combination with an aminoglycoside antibiotic. b. trimethoprim-sulfamethoxazole. c. ticarcillin and clavulanic acid. d. chloramphenicol.
Some bacteria have a cytoskeleton of sterols to help maintain their shape.
Answer the following statement true (T) or false (F)
In sexual reproducers, meiosis gives rise to _____________.
A. diploid gametes B. haploid gametes C. triploid gametes D. haploid germ cells E. diploid germ cells