What would happen if all of the structures corresponding to the one labeled 6 in Figure 41-1 were
removed from the neuron?
a. Impulse transmission would be faster.
b. Impulse transmission would be slower.
c. Impulse transmission would cease.
d. Continuous conduction would occur.
e. There would be no effect on transmission
B
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Which of the following is a correct difference between a gene (genomic) library and a gene clone? A gene (genomic) library _____
A) contains many different DNA sequences; a gene clone contains one type of DNA sequence B) contains one type of cloned DNA sequence; a gene clone contains many different DNA sequences C) is a much longer DNA sequence than a gene clone D) is a much shorter DNA sequence than a gene clone E) is sequence information stored in a computerized database; a gene clone is an actual sequence of DNA
In the late 1990s, what important discovery in genetics was made?
a. The three-dimensional structure of DNA was described, which showed how DNA might be replicated. b. The first recombinant DNA experiments were performed that started the biotechnology field. c. DNA sequencing methods were first discovered. d. Genes were found to be located on chromosomes. e. Tiny RNAs were discovered that play important roles in the regulation of gene expression.
The assumption of no correlation between the error term (U) and treatment(s) (X) is similar to the assumption of what aspect used in the scientific method?
A. Random sample from the target population B. Making sure to have a control group C. Stating a question D. Random assignment of the treatment
How is a Robertsonian translocation different from a reciprocal translocation?
A. A Robertsonian translocation is unbalanced, and a reciprocal translocation is balanced. B. A reciprocal translocation is unbalanced, and a Robertsonian translocation is balanced. C. Reciprocal translocations occur between whole acrocentric chromosomes, and Robertsonian translocations occur between any two nonhomologous chromosomes. D. Robertsonian translocations occur between whole acrocentric chromosomes, and reciprocal translocations occur between any two nonhomologous chromosomes.