Stanley Miller's prebiotic simulation produced what key biological molecule?
What will be an ideal response?
amino acids
Biology & Microbiology
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True or false: Decline of a predator population in an area affects only the prey population on which it feeds
A. true B. false
Biology & Microbiology
Gram-negative broth serves which purpose when used in the bacterial fecal culture?
a. Evaluation of general flora and predomi-nant species b. Selection of enteric pathogens such as Salmonella, Aeromonas, and others c. Inhibition of normal flora and selection of enteric pathogens d. Enrichment for enteric pathogens such as Salmonella and others
Biology & Microbiology
How many checkpoints are found along the cell cycle?
a. 1 b. 2 c. 3 d. 4
Biology & Microbiology
The mammalian jaw is an example of what kind of moveable joint?
A. gliding joint B. ball-and-socket joint C. hinge joint D. combination joint
Biology & Microbiology