Each orbital can hold ________ electron(s)
a. 3
b. 1
c. 4
d. 2
d
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Teichoic acids, mycolic acids, peptidoglycan, and disaccharide-pentapeptide subunits are all building blocks of which bacterial structure?
a. Outer cell membrane b. Flagella c. Inner cell membrane d. Cell wall
A polysome is ____
a. the combination of a large and a small ribosomal subunit b. the complex where mRNA splicing occurs c. the promoter assembly at the site of transcription initiation d. an mRNA transcript to which multiple ribosomes are attached e. the complex that adds a poly(A) tail onto an mRNA
Which theory explains how hydrogen bonding allows water molecules to maintain a continuous fluid column as water is pulled from roots to leaves?
a. pressure flow b. evaporation c. cohesion-tension d. abscission e. fusion
The _________ on the chromosome is where the spindle fibers bind to the chromosome and is responsible for the shortening of spindle fibers during anaphase.
A. chromatin B. centromere C. tubulin D. kinetochore