The phrase "and they hypothesized that" is correct and usable in written English.
It can be used in academic or scientific contexts when discussing a theory or assumption made by a group of researchers or individuals.
Example: "The researchers conducted a series of experiments, and they hypothesized that the new drug would significantly reduce symptoms."
Alternatives: "and they proposed that" or "and they suggested that".
The researchers focused instead on the median age of the surveyors, 34, and they hypothesized that perhaps younger voters felt more comfortable than older voters submitting questionnaires to younger surveyors.
The authors concluded that uptake was clathrin- and caveolin-independent, and they hypothesized that it may occur via macropinocytosis or adsorptive endocytosis.
In the initial report by Roche et al. [12], the authors concluded from crosslinking experiments that a band of lower mobility than 220 kDa molecular weight marker represented the crosslinked DR-Ii complex, and they hypothesized that the MHCII-Ii complex is composed of nine subunits, an Ii trimer and three DR heterodimers, with a total molecular weight of 260 kDa [35].
25 suggested that BAP1 could function for HR repair in the BRCA1-related pathway, and they hypothesized that BAP1 enables BRCA1 to readily accumulate DSB sites.
Lajoie et al. in 2010 observed lower plasma levels of sHLA-G in HIV-1-positive Beninese commercial sex workers, and they hypothesized that the difference of sHLA-G levels could be genetically determined [ 52].
In addition, Braak et al. [ 2] reported that tau aggregation precedes diffuse plaque deposition, and they hypothesized that Aβ may be released from non-junctional varicosities of axons generated from abnormal tau-containing brainstem nuclei in sporadic AD.
They hypothesized that mating and roosting behavior and not food availability is what draws bats to wind turbines.
They hypothesized that efficient and mild allylic C F bond formation proceeded by the nucleophilic attack of fluoride on an electrophilic Pd II -allyl intermediate of the tyPd II -allylell-establintermediate-catalyzed allylic alkylatiof.
Eriksen explained that dangerous chemicals that aren't water soluble can attach to plastics, and they hypothesize that it may be possible for microbeads to be a carrier for pollutants that can be absorbed into fish tissues once swallowed.
The authors conclude that inadequate or suppressed shedding during sepsis might be associated with increased mortality, and they hypothesize that the shedding process is indeed protective for the host.
The authors claim that such pattern of X chromosome-specific down-regulation is not consistent with MSCI as it occurs prior to meiosis and they hypothesize that another unrecognized mechanism regulates X chromosome expression during spermatogenesis [ 31].
