The developmental protein Pumilio is evenly distributed throughout the cytoplasm of the fruit fly embryo but can only repress Hunchback in the posterior pole due to its association with:
A. Caudal.
B. Bicoid.
C. Hedgehog.
D. Nanos.
D
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If two populations are geographically restricted groups of the same species, but display one or more traits that are somewhat different, the two groups are sometimes classified as
A. subspecies B. phenotypes C. macrospecies D. genetic clones
Large breeds of dog are more likely than smaller dogs to have which of the following?
a) less active IGF-1 b) active IGF-1 c) 2.8 million base pairs of DNA d) a large number of BSC fragments e) 39 pairs of chromosomes
During bacterial translation the ribosome recognizes the AUG start codon by?
a. binding to the polyA tail of the RNA b. binding to the 5'cap of the RNA and scanning along the mRNA until it finds an AUG codon in a Kozak consensus c. binding to the 3'UTR of the RNA d. recognizing base pairing between the Shine-Dalgarno sequence and the 16S rRNA
Which reaction does the enzyme phosphoglucose isomerase catalyze?
(a) glucose -> glucose 6-phosphate (b) fructose 6-phosphate -> fructose 1,6-bisphosphate (c) glucose 6-phosphate -> fructose 6-phosphate (d) glucose -> glucose 1-phosphate