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Conotoxin is produced by marine cone snails. Among its effects is to block voltage-gated Ca2+ channels in neurons. A. What anatomical part of a neuron would be affected by conotoxin? B. How would the neuron's action potential be affected by conotoxin? Explain, using at least TWO of the following terms: threshold, depolarization, repolarization, hyperpolarization, summation, IPSP, EPSP, exocytosisC. If conotoxin affected a somatic motor neuron, would this toxin cause muscle weakness or increased muscle tension? Explain why.
The normal DNA can be introduced into an organism's genome.
with antibiotic resistance rising researchers are looking for ways to reduce use of these drugs. some cattle once fed
Discuss the etymologies of the following scientific names. Why are these scientific names are or are not appropriate for the taxa carrying them?
In mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele. If a dwarf female from a pure line is crossed with a pink male from a pure line, Determine the phenotypic ratios in the F1 and F2 in..
What are the target organs of alpha-adregenic receptors?
List 3 hormones that are secreted during the stress response, provide at least one effect each hormone has, and explain why each effect is beneficial
Discuss the variation among major subgroups within the phylum. Finally, what major characteristics of this phylum distinguish it evolutionarily from other phyla
If the sheep population in Tasmaania went from 30,000 in 1820 to 1,900,000 in 1850, what was this population's annual r value during this period?
What are some of the methods of decalcification that are commonly used to remove calcium from calcified tissue?
Evaluate the major lines of evidence suggesting that intrasexual selection via contest competition has shaped men's traits.
1. in 3-5 paragraphs reflect on the history of abortion laws and the recent challenges to these laws in the united
q. do all the probable monohybrid crosses for the abo blood group and give the genotype and phenotype ratios following
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