Manatees form pair bonds that last even after mating
Indicate whether the statement is true or false
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The area within the neuron where stimuli are summed is called the:
A. dendrite. B. cell body. C. axon terminal. D. axon hillcock. E. synapse.
You expose a tube of bacteria to ultraviolet radiation to induce mutations. You then spread the bacteria on a plate containing media with all known required nutrients and wait until separate colonies form. Finally, you use replicate plating to transfer a print of this plate to an additional sterile plate containing minimal media plus a known required nutrient for the bacteria. Based on this protocol, colonies growing on the plate with minimal media would include what type of cells?
A. only wild-type bacteria B. only mutant bacteria C. mutants that only require the supplied nutrient D. Both wild-type and all mutants E. wild-type bacteria and the mutants that only require the supplied nutrient Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about growth media? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The observable traits expressed by an organism are described as its ________.
a) phenotype b) genotype c) alleles d) zygote
The exon theory of genes states that:
a. genes consist solely of exons. b. introns are deleterious and are purged from the genome. c. introns lead to recombination errors. d. many current genes arose through the rearrangement of exons. e. introns disrupt protein structure.