The ends of a sarcomere are defined by ___
a. A lines
b. M lines
c. Z lines
d. myofibrils
e. thick filaments
C
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Compatible solutes counteract the tendency of a cell to become
A) buoyant in high ionic strength environments. B) hyperosmotic in low ionic strength environments. C) dehydrated in high ionic strength environments. D) viscous in low ionic strength environments.
The difference between the polymerases used in translesion syntheis repair and general DAN replication is
A. The polymerase used in translesion synthesis has a pocket that can accommodate the lesions while DNA pol III's pocket cannot B. There is no real difference between the polymerases except that the translesional polymerase is not part of the replication complex C. The polymerase used in translesion synthesis has a pocket that cannot accommodate the lesions, that is part of the mechanism by which the lesions are removed. D. The polymerase used to remove the lesion has a mdofied nucleotide binding pocket allowing for mispairing of nucleotides.
Why do beaches often have less extreme temperature variation than inland areas?
A) The ocean moderates the temperatures. B) The sand absorbs and loses heat less efficiently. C) The ocean waves reduce wind. D) Air temperatures vary with latitudes.
Litterbags can be used to estimate the rate of decomposition
Indicate whether the statement is true or false