Genes that specify the final identity of a body region are called _______
A. bicoid
B. homeobox genes
C. homeotic
D. lineage genes
C
You might also like to view...
The transformation step in creating bacteria genetically engineered to produce human proteins involves:
A. binding of the donor DNA to the vector DNA and renaturing. B. cleaving the donor and vector DNA so they can be bound into a single molecule. C. bacteria taking up the recombinant DNA in the form of the vectors. D. bacteria expressing the novel proteins encoded by the donor DNA. E. None of the answer options are correct.
From personal experience, you may have noticed that cut flowers placed in a vase with tap water continue to be "alive" for several days. What is the most likely explanation as to why these cut flowers don't immediately wither and die?
A. The tap water in the vase is an excellent source of nitrogen. B. The plant can still take up water from the vase via an "evaporative pump." C. Cells in the flower petals continue to carry out photosynthesis. D. Cavitation allows for water to still be transported through the flower stems.
The snakes include some rather short and some incredibly long species, with a variation from about 100 to over 300 vertebrae. What developmental mechanism is the best candidate for changing the number of vertebrae in evolution?
A. Changes in genes that lay down extracellular matrix in bone B. Changes in genes necessary for neural crest development C. Changes in genes that control mitosis D. Changes in the somitogenesis clock 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 the development of vertebrae? 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?
The citric acid/Kreb's cycle breaks down carbohydrates into CO2.
a. true b. false