Which of the following molecule(s) help(s) to hold the DNA strands apart while they are being replicated?
A. DNA polymerase
B. single-strand binding proteins
C. ligase
D. primase
Ans: B. single-strand binding proteins
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Adiabatic cooling takes place when ____
a. latitudinal differences alter rainfall amounts b. reversals of wind direction occur seasonally c. a decrease in air temperature occurs without loss of heat energy d. an increase in air temperature occurs without loss of heat energy e. anytime air loses heat energy
What is the form of reproduction used by E. coli, a type of bacteria found in your digestive tract?
A) budding B) vegetative reproduction C) binary fission D) meiosis
What human activity can cause flooding along riverbanks?
A) Removal of forests and wetlands along the river B) Decreased conversion of forests to farmland C) Decreased soil formation D) Overfishing E) Increased evaporation due to fewer trees
____ is part of the chondrocranium that grows up and around the nerve cord forming an arch
Fill in the blank(s) with the appropriate word(s).