In the process of fermentation an organic substrate, such as glucose, is reduced and an intermediate of the pathway, such as pyruvate, is oxidized.
Answer the following statement true (T) or false (F)
False
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Which examples would be considered different species under the biological species concept? Check all that apply.
_____ Two bear species are able to breed in zoos, but have separate ranges in nature. _____ Two skunk species look morphologically similar, but are unable to interbreed. _____ Two snake species look different, but often form fertile hybrids. _____ Two plant species with no gene flow between them. _____ Two tree species have different leaf shapes, but form hybrids in their overlapping ranges. 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 the biological species concept? 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?
Stem cell lines are developed from ________
A) multipotent cells B) inner cell mass cells from a blastocyst C) cells collected from umbilical cords D) cells collected from amniotic fluid
The ________ of a virion determines the type of cell it enters
A) nucleic acid B) matrix proteins C) glycoproteins D) lipid molecules E) shape
Once a peptide has been formed between the amino acid attached to the tRNA in the P site and the amino acid associated with the tRNA in the A site, what occurs next?
A) translocation B) reading of the next codon of mRNA C) initiation D) The codon-anticodon hydrogen bonds holding the tRNA in the A site are broken.