In an unstimulated neuron, the ________ concentration is higher inside the cell than outside
A) K+ B) Ca2+ C) Li+ D) Cl? E) Na+
A
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The process of cell division in a prokaryotic cell is called:
A. binary fusion. B. mitosis. C. binary fission. D. cytokinesis.
What type of mutation has occurred in the following?
Normal allele 5'–GGAAUGAAACAGGAACCC–3' Mutant allele 5'–GGAAUGAAACAGGUACCC–3' A. insertion of one base B. insertion of two bases C. deletion of one base D. substitution E. deletion of two bases
What is similar about G protein-coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs)?
A. Both are directly bound to G proteins. B. Both bind to hydrophobic ligands. C. Both are activated by autophosphorylation. D. Both can activate phospholipase C. E. Both are enzymes.
Match the microscope part with it's function.
Fine focus A) Focus light onto the specimen B) Control the amount of light reaching the specimen C) Brings the specimen into general focus D) Increases the detail of the image