. Which of the following are most likely to be found growing on salted or dried foods?
A. fungi
B. bacteria
C. viruses
D. protozoa
A. fungi
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Carbon provides a backbone for a variety of biological molecules. Carbon can typically form ________ covalent bonds
Fill in the blank(s) with correct word
The meshwork that forms the fabric of a blood clot is
A) chymotrypsin. B) fibrin. C) thrombin. D) prothrombin. E) collagen.
When is knowing the host and environmental factors that lead to a disease more important to saving lives than knowing the etiological causative agent?
A) when the host range is very large B) when the disease is spread through sexual contact C) when there is no cure for the disease D) when specific health factors within a person's control are particularly risky E) when the source of infection is a particular geographical location
Ras is a GTP-binding protein that is often defective in cancer cells. A common mutation found in cancer cells causes Ras to behave as though it were bound to GTP all the time, which will cause cells to divide inappropriately
From this description, the normal Ras gene is _______. (a) a tumor suppressor. (b) an oncogene. (c) a proto-oncogene. (d) a gain-of-function mutation.