Example sentences for: urchins

How can you use “urchins” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • With perverse anti-insight, Hoffman has updated the play to a sunny, atmospherically untroubled Tuscany in the 19 th century and has filled his frames with scampering street urchins and matrons kneading dough.

  • Runx genes encode the sequence-specific DNA binding subunit of a heterodimeric transcription factor, the defining feature of which is the Runt domain, a highly conserved 128 amino acid sequence involved in DNA binding, heterodimerization, nucleotide binding, and nuclear localization [ 1 2 ] . The Runt domain is named after the first member of the family to be discovered, the regulatory gene runt from Drosophila melanogaster . Runx genes have also been discovered and functionally characterized in mammals, sea urchins and nematodes, and in general are involved in the transcriptional control of developmental processes [ 3 4 ] . In humans, mutations in each of the three Runx genes are associated with disease caused by defective control of cell proliferation and/or differentiation [ 4 5 ] . Most studies of Runx gene function and regulation have been carried out in mammals and in D. melanogaster , each of which has multiple Runx genes.

  • EMSL-Cincinnati has found FORTY FATHOMS® artificial sea salts suitable for maintaining and spawning the sheepshead minnow, Cyprinodon variegatus, and for its use in the sheepshead minnow larval survival and growth test, suitable for maintaining and spawning the inland silverside, Menidia beryllina, and for its use in the inland silverside larval survival and growth test, suitable for culturing and maintaining mysid shrimp, Mysidopsis bahia, and its use in the mysid shrimp survival, growth, and fecundity test, and suitable for maintaining sea urchins, Arbacia punctulata, and for its use in the sea urchin fertilization test.

  • Sheepshead minnows, inland silversides, mysids, and sea urchins may be purchased from commercial suppliers.

  • You’ll see sea urchins, shoals of fish, and even small octopuses that make their homes in rocky crevices just off shore.


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