The phrase "a variety of active" is not correct and lacks clarity in written English.
It may be intended to describe different types of active elements or activities, but it needs additional context to be meaningful.
Example: "The study examined a variety of active lifestyles among different age groups."
Alternatives: "a range of active" or "various active options".
Though functions of bound waters have been shown to assist catalytic activities in a variety of active sites and also to stabilize the collagen fold through H-bond to hydroxyprolines (42, 43), the results reported here suggest an additional role for bound waters within protein structures.
A variety of active and past geomorphic processes (mass wasting, avalanche activity, and running water) were responsible for the construction of the debris cones.
We once again utilized impaired proteasomes from yeast and a variety of active site-selective inhibitors to verify that each sensor monitors its designated proteasome activity.
A variety of active control design problems are formulated as semidefinite programming (SDP) problems.
MIT's proposal includes housing, commercial and lab space, retail, open space, and a variety of active community uses.
A variety of complex progressions include gene and DNA markers, numerals and silhouettes that clearly depict humans in a variety of active positions.
Catanionic vesicles based on large-scale produced surfactants represent a promising platform for the design of innovative, effective and relatively inexpensive nano-vehicles for a variety of actives.
To engage the broadest population of students, instructors may be best served by using a variety of active-learning strategies from class session to class session.
The common theme in these studies is the implementation of a variety of active-learning approaches that include frequent practice of science-process skills inside and outside the classroom.
In contrast, a variety of active-learning strategies, ranging from simple pair discussions to more complex cooperative learning groups and class projects, require students to interact with peers in classrooms.
