A northern blot could be used best to monitor control of gene expression at which of the following steps?
A. DNA methylation
B. nucelosome acetylation
C. protein ubiquitination
D. transcription
D
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Upon heat treatment, bacteria die at a constant proportion
Indicate whether this statement is true or false.
The male sage grouse who is “displaying” is likely _____
a. indicating that he are ready to spar with other males b. claiming part of the territory as his own c. attracting a mate in a monogamous union d. attracting a mate in a polygamous union e. indicating that he has won a mate
The radioactive isotope ________ has a half-life of 5,730 years, and has an effective dating range of 100 to 100,000 years
Fill in the blank(s) with correct word
Which of the following statements is true about the flight muscles of a fly?
A. They are attached underneath the cuticle. B. They are attached to the wings directly. C. They pull the wings down when the vertical muscles contract. D. They change the shape of the thorax. E. They pull the wings up when the longitudinal muscles contract.