A prokaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is
A) A spheroplast
B) Archaea
C) Gram-negative
D) Gram-positive
E) Acid fast
D) Gram-positive
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Refer to the paragraph on the Venter et al. paper and the table above. As with many new endeavors, concerns have been raised by some that genomics will fundamentally change the way biological research is practiced
Examine the full citation for the Venter et al. paper and consider the way this work was done. Now think of some seminal works in the history of biology, for example, Darwin's On the Origin of Species and Watson and Crick's publication on DNA structure. What do you think the concern might be that has been voiced about genomics? A) Genomics will offer deep insights too rapidly for the biological community to comprehend. B) Genomics is so based in technology that it cannot possibly reveal important knowledge of biology. C) Genomics makes biology a "big-team science" that will squeeze out innovative individuals or small groups of scientists who traditionally have provided our greatest insights. D) Genomics is really computer science, not biology, and therefore offers little for understanding life.
The increased osmolarity of the filtrate after Bowman's capsule is caused by:
A. diffusion of NaCl out of the proximal tubule. B. diffusion of HCO3– out of the proximal tubule. C. active transport of NaCl out of the proximal tubule. D. active transport of HCO3– out of the proximal tubule.
In the late 1920s, a mutation occurred in many silver fox farms around the world. The fox farms that
sold expensive furs were proud of the quality of their furs, and each advertised that it had the best, purest breed of all the fox farms. The new mutations produced a "platinum" coat pattern that was commercially desirable, so the farms crossed them to get more. The results of their breeding experiments were as follows: (1) silver ? silver >>> all silver offspring; (2) silver ? platinum >>> equal numbers of silver and platinum; (3) platinum ? platinum >>> two platinum for each silver offspring. Explain. What will be an ideal response?
what are some examples of environmental stress?
What will be an ideal response?