Which of the following is not correct concerning the initiation of bacterial replication?
A. It involves a region of the DNA called oriC
B. DNA proteins bind to the DNA to begin separation of the strands
C. The strands are initially separated at GC-rich regions of DNA
D. Following initial separation, DNA helicase enzymes continue to unwrap the DNA
C
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Ammonium chloride, a commonly used salt in minimal medium, ____
a. is an organic carbon source b. provides nitrogen c. jellifies the medium d. liquefies the medium e. sterilizes the medium
Primary growth
a. occurs along the sides of stems. b. is dependent upon apical meristem. c. increases the diameter of older plants. d. is responsible for additions to woody parts. e. fits all of these descriptions
A mass of hyphae is commonly referred to as
a. a mycelium b. a mycorrhiza c. a conidium d. a sporangium e. an oomycota
The F1 generation of the cross purple (PP) x while (pp) flower pea plants should _________.
a. all have white flowers b. all have a light purple or blended appearance c. all have purple flowers d. have 3/4 purple flowers and 1/4 white flowers