"in groups of 3" is a correct and usable phrase in written English
It is typically used to indicate that something should be split into groups of three. For example, "The students were instructed to complete the activity in groups of 3."
These measures are often gathered in groups of 3 or 5 under the term of "ventilator-bundle".
The nine untreated control animals were sacrificed, and the tumors were excised on day 0. The animals treated with RIT were sacrificed and the local tumor was excised 1, 2, 3, 4, 6, or 8 days p.i. in groups of 3 rats per day, apart from day 8 p.i. when 6 rats were sacrificed.
Gene mapping revealed that 41 of the 70 down-regulated genes (or ~59%) were found in clusters on chromosomes, i.e. in groups of 3 or more genes per chromosome arm (additional file 4: Table S3).
Blooms come in groups of 3, and you can pinch off the left and right blooms to produce a larger central bloom.
These bites can be itchy and appear in groups of 3 or 4. The rash may turn white when you press it and become bigger or spread over time.[10].[10]
Explain that you can think of the beat in groups of 3, or 4. Demonstrate by marching, or by dancing a waltz (marching on the spot or swaying side to side).
Settlement of planulae occurs in groups of 3 20 individuals in H. octoradiatus [6].
It's best to work in groups of 3-4 people.
The animals were housed in groups of 3 4 with water and food available ad libitum and were kept under a 12-h light/dark cycle at constant temperature (25 ± 1 °C) conditions.
Groups for the virtual activity could also be smaller, improving student motor involvement, but even in groups of 3 4, instructors can have students rotate control of the keyboard and mouse throughout the class period.
The fruits are brightly colored green to purplish-black, approximately 17 mm long and contain large seeds (10 14 mm), they occur in groups of 3 5 drupes.
