The two main classes of molecular switches include changes in phosphorylation state or changes in guanine nucleotide binding. In this regard, do you think that protein kinases and guanine nucleotide exchange factors (GEFs) always turn proteins on (activate) and protein phosphatases and GTPase activating proteins (GAPs) always turn them off?

Why can't you grow plants with adhesion water?

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.