While studying eukaryotic mRNA processing, you encounter the sequence GUACACACAUGAG in the middle of a long mRNA transcript. Which statement can you make, based on your discovery?
a. This sequence will be replaced by a poly-A tail.
b. This transcript will be assembled into a ribosome.
c. This transcript has not yet undergone splicing.
d. This is a transcript for Asparagine tRNA.
c. This transcript has not yet undergone splicing.
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Many bacteria that exhibit gliding motility are able to use as a nutrient source insoluble material that they encounter while gliding.
Answer the following statement true (T) or false (F)
Which are essentially equivalent treatments?
A. Dry 200?C heat for 1.5 hours; wet 121?C heat for 15 minutes B. Dry 160?C heat for 1.0 hour; wet 200?C heat for 30 minutes C. Dry 121?C heat for 1.5 hours; wet 200?C heat for 15 minutes D. Dry 100?C heat for 2.0 hours; wet 100?C heat for 30 minutes
Cheekbones are formed by which bones?
a. maxillary b. lacrimal c. palatine d. zygomatic e. temporal
In flowering plants, the __________ generation is dominant
a. haploid gametophyte b. diploid gametophyte c. haploid sporophyte d. diploid sporophyte e. triploid endosperm