Imagine that you've isolated a yeast mutant that contains histones resistant to acetylation. What phenotype do you predict for this mutant?
A) The mutant will grow rapidly.
B) The mutant will require galactose for growth.
C) The mutant will show low levels of gene expression.
D) The mutant will show high levels of gene expression.
C
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What is the purpose of phosphorylating the carboxy terminal domain (CTD)?
A. Convert from initiation to the elongation stage B. To aid in transcriptional initiation C. Phosphorylate transcription factors D. To aid in promoter recognition
Which of the following is NOT a function of the extracellular matrix?
A. provides strength B. provides structural support C. provides organization of cells throughout the organism D. provides an important source of energy for the organism E. cell signaling
Algae are to lichens as ____ are to mycorrhizae
a. club fungi b. tree roots c. water molds d. plant leaves e. mosses
Carnivorous plants are more likely to be found in acid bogs because
A) organic matter decays so slowly there. B) acid soil inhibits growth of plant roots. C) acid rain damages leaves and stems. D) mycorrhizal growth is inhibited.