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

Biology & Microbiology

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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

Biology & Microbiology

Helicobacter pylori has been associated with ____

a. irritable bowel syndrome b. duodenal ulcers c. peptic ulcers d. HPV e. GERD

Biology & Microbiology

Cloning vectors do not replicate in bacteria

1.True 2.False

Biology & Microbiology

Microorganisms are most nearly uniform in terms of chemical and physiological properties during ________ phase.

A. decline B. exponential C. lag D. stationary

Biology & Microbiology