A cell has a defect in polyadenylation. The RNA transcripts encoding which type of protein would not be affected by this defect because they are not polyadenylated?
A) histone proteins
B) transcription factors
C) transmembrane proteins
D) DNA binding proteins
E) SR proteins
A
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A newly reported member of the phylum Verrucomicrobia, Acidimethylosilex fumarolicum has been found to be thermophilic, acidophilic, and photosynthetic.
Answer the following statement true (T) or false (F)
Which feature of the mammalian skeleton provides an advantage for animals that are land-based predators?
A. Elongated hindlimbs that propel them forward. B. Long legs and running on the tips of elongated phalanges. C. Bipedal locomotion on the soles of the feet. D. Walking on their toes. E. All of these are advantages for land-based predators.
A culture medium made of extracts from yeasts, meat, or plants is a ________ medium.
a) complex b) selective c) differential d) chemically defined
Another term for a protein catalyst is a(n) (enzyme/ribozyme)
What will be an ideal response?