A halotolerant facultative anaerobic bacterium would grow BEST in a ________ environment

What are the functions of the hydrochloric acid produced by the stomach?

What will be an ideal response?

Sympatric speciation in plants, as a result of ________, is well documented.

A. polyploidy B. a series of islands off of a mainland C. mountain ranges D. any type of geographic barrier

A rare disease is now understood to be caused by a single mutant gene. When the researcher learns that the gene encodes a ______, he says “Oh good! We may be able to treat the disease with recombinant protein produced in E. coli and delivered by injection.”  

A.  protein hormone B.  cell-surface receptor C.  ribozyme D.  component of chromatin E.  mitochondrial enzyme 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 recombinant protein therapy?   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?  

Sodium concentrations are higher outside and glucose concentrations are higher inside the cell. Using the same membrane protein for Na+ and glucose transport, what is it called when a Na+ electrochemical gradient is used to drive glucose transport into the cell against its concentration gradient?

A. primary active transport B. secondary active transport C. primary facilitated diffusion D. secondary facilitated diffusion E. passive diffusion