What is the maximum number of single covalent bonds a carbon atom can form with other elements?
A. 1
B. 2
C. 3
D. 4
Answer: D
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Microorganisms are most nearly uniform in terms of chemical and physiological properties during ________ phase.
A. decline B. exponential C. lag D. stationary
Science is subdivided into specific areas of study termed disciplines. These divisions are artificial but are helpful to narrow the massive scope of scientific knowledge to a manageable amount. Given what you know about each, which scientific division is likely to present the best answer to a question about how fluid dynamics affect blood pressure in mammals?
A. Bioinformatics – use of technology to study and store biological data B. Biochemistry – study of chemical reactions needed for life function, usually at the cellular level. C. Biology – study of life D. Biophysics – study of biological processes through physics
Helicobacter pylori has been associated with ____
a. irritable bowel syndrome b. duodenal ulcers c. peptic ulcers d. HPV e. GERD
Cloning vectors do not replicate in bacteria
1.True 2.False