Bacteria growing at lower temperatures have more saturated fatty acids in their membranes.
Answer the following statement true (T) or false (F)
False
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How many clones would make up one genomic equivalent?
The mouse genome consists of 2,700 Mb. A genomic library is constructed using BAC vectors and overlapping fragments of the mouse genome. The average size of the mouse DNA inserts is 200 kb. A) 135 B) 270 C) 13,500 D) 270,000
An RNA molecule that can catalyze chemical reactions is called a_____.
A) stem-loop B) ribozyme C) protein D) Tetrahymena
Although Burkholderia cepacia could be very useful in bioremediation programs, it is not feasible to use it. Why?
What will be an ideal response?
APC is a tumor suppressor and acts in the Wnt signaling pathway to prevent the TCF complex from turning on Wnt-responsive genes
Mice that lack the gene encoding TCF4 do not have the ability to maintain the pool of proliferating gut stem cells needed to renew the gut lining. What do you predict will happen in mice that lack the APC gene? (a) Mice lacking the APC gene will be like the mice lacking TCF4 and not be able to renew the gut lining. (b) Mice lacking the APC gene will have inappropriate proliferation of gut stem cells. (c) Mice lacking the APC gene will have a hyperactive Wnt receptor even though there is no Wnt signal. (d) Mice lacking the APC gene will be like normal healthy mice, since APC is a tumor suppressor and thus not needed unless there is a tumor present.