The all-or-none principle states that: a. Only sensory stimuli can activate action potentials.
b. All stimuli will produce identical action potentials.
c. Only motor stimuli can activate action potentials.
d. All stimuli great enough to bring the membrane to threshold will produce identical action potentials.

Which process is involved in growing crops? irrigation transportation recreation condensation

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last