What types of synaptic inputs can postsynaptic nerve cells receive?
A. excitatory
B. inhibitory
C. both
D. neither
C
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Explain how the adaptations of cartilaginous fishes make them better predators.
What will be an ideal response?
Which groups of plants have at least some members that possess tissues capable of transporting water and nutrients?
_____ spermatophytes. _____ lycophytes. _____ bryophytes. _____ tracheophytes. _____ embryophytes.
An Enzyme is considered ______ because of its ability to recognize the shape of a particular molecule.
Fill in the blank(s) with the appropriate word(s).
Which of the following best explains Mendel's Law of Segregation?
a. Both alleles are put into a gamete, and during development, the two gametes segregate by chance. b. If someone is heterozygous, they exemplify Mendel's Law of Segregation. c. Of the two copies of each gene everyone carries, only one of the two alleles gets put into each gamete. d. Organisms have one copy of a gene, and they place that copy into each gamete during the process of meiosis. e. Both gametes and fertilized eggs have two copies of each gene.