Which of the following best describes the anatomy of a coenocytic organism?
A. The body is made of a large cell with many
nuclei.
B. The body cells are organized into welldefined
tissue layers.
C. The body cells are organized into
branching filaments.
D. The body is made up of several different
types of highly specialized cells.
E. The body is a hollow ball of flagellated
cells.
A
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The resting membrane potential is when the inside of the neuron is more negatively charged than the outside of the neuron.
a. true b. false
In the case of complete dominance in a population in equilibrium, we cannot tell which individuals are homozygous dominants and which are heterozygous, but by knowing the frequency of the homozygous recessives, we can estimate the frequency of
homozygous dominant and heterozygous genotypes. Indicate whether the statement is true or false
Which of the following events is least likely to result in a genetic change in a bacterium?
A. specialized transduction B. conjugation C. generalized transduction D. pilus formation E. natural transformation
Which activity is an example of biotechnology?
A. Bacteria in the soil secrete an antibiotic to kill competitors. B. Public health officials monitor diseases in a community. C. Humans use yeast to make beer and wine. D. A microbiologist uses a microscope to study bacteria. E. Mycobacterium tuberculosis causes tuberculosis in the lungs.