Sentence examples for four weeks old from inspiring English sources
The rats undergo a rigorous training process that begins when they are four weeks old.
Half of the test mice were four weeks old, which, in murine terms, qualifies them as adolescents.
Having broken 64 bones since he was four weeks old, Jack is an ambassador for the Brittle Bone Society.
Weaned pigs are usually moved to a nursery where the temperature can be kept higher than 27 °C (80 °F) until they are about four weeks old.
In 1947 he was taken from his mother at four weeks old, because she was unmarried and therefore seen as an "unfit mother".
At four weeks old, she was taken from the arms of her mother who was begging on the streets of Islington, north London.
His parents took him on stage at four weeks old and his father taught him some guitar chords just as soon as his hands could hold one.
Imbibed seeds and four weeks-old plants, used as experimental controls, were not irradiated (0 Gy).
Twenty-four weeks-old (unlestatedted otherwise) mouse cerebella were dissected and then lysed in 0.5% Triton buffer (0.5% triton X-100, 50 mM Tris pH 8, 75 mM NaCl) supplemented with protease and phosphatase inhibitors (Sigma, St . Louis MO).
28 four-weeks old N. benthamiana were inoculated by abrasion with 3 µL by plant.
Plasmids were extracted and 28 four-weeks old N. benthamiana were inoculated by abrasion with the plasmid solution (250 µg/plant).
