When cytokinins are sprayed on leaves of a cut stem, the leaves turn yellow
____________________ Indicate whether the statement is true or false.
F, remain green
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Nitrifying Archaea such as Nitrosopumilus maritimus use ________ as a sole carbon source and are capable of obtaining sufficient energy by aerobically oxidizing ________
A) CO2 / NO B) sugars / NH3 C) CO2 / NH3 D) organic acids / NO
Lactose intolerance is caused by a(n) ____
a. nucleotide substitution that prevents lactose production b. variant manifestation of galactosemia c. accumulation of galactose-1-phosphate d. inability to digest lactose e. excess in lactose production
The role of maternal effect genes in Drosophila is to:
a. code for the production of yolk proteins. b. prepare the female fly for reproduction. c. control the early stages of Drosophila development. d. control the development of the pupa. e. control the shape and size of the eggs produced.
Queen Elizabeth II of England is a descendant of Edward VII of England, who was the son of Queen Victoria. Edward VII did not have hemophilia
Prince Philip, who is married to Queen Elizabeth II, is a descendant of Alice, the daughter of Queen Victoria. Alice was a carrier of hemophilia. However, Prince Philip does not have hemophilia. What can you infer about the children of Queen Elizabeth II and Prince Philip? A) None of the children could have the hemophilia allele. B) Only the sons could have the hemophilia allele. C) Only their daughter could have the hemophilia allele. D) Any one of the children could have the hemophilia allele.