In which of the following heart chambers would deoxygenated blood be found?
A. right atrium and right ventricle
B. right atrium and left ventricle
C. right atrium and left atrium
D. left atrium and left ventricle
E. left atrium and right ventricle
A
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In addition to burning fossil fuels, humans return CO2 to the atmosphere faster than it can be removed by:
A. clearing forests for agriculture. B. polluting the oceans. C. generating nutrient pollution. D. expanding rice production. E. expanding beef production.
Which enzyme copies an mRNA sequence into DNA during cDNA library construction?
A) RNA polymerase B) DNA polymerase C) reverse transcriptase D) restriction endonuclease
Phagocytosis is a form of ____
a. diffusion b. endocytosis c. exocytosis d. osmosis e. facilitated diffusion
Current classification of prokaryotes is based on
A. occurrence of transverse binary fission. B. type of colony formation. C. ability to stain the cell wall with Gram stain. D. sequencing of proteins, DNA, and RNA. E. morphology of flagella.