The stomach mixes food with secretions of the stomach wall to form
A) gastric juice.
B) a bolus.
C) gastrin.
D) chyme.
Answer: D
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The breakdown of large molecules by the enzymatic
addition of water is what kind of reaction? a. oxidation b. reduction c. condensation d. hydrolysis e. decarboxylation
A microbiologist is working with a bacteria strain to determine if cells are competent. Cells are grown under optimal conditions with DNA fragments that carry two genes, green fluorescent protein and ampicillin resistance, and then plated to nutrient agar with and without ampicillin. Following incubation, plates are examined for fluorescent colonies under a UV lamp. Predict the results if cells are competent.
A. Fluorescent colonies will be present on both types of plates. B. Fluorescent colonies will be present on the ampicillin agar plates, but there will be no growth on the nutrient agar plates. C. There will be no growth on either type of plate. D. Colonies will be present on both types of plates, but will only fluoresce on the ampicillin agar plates.
In the graphs above, the x axis represents _________________ and the y axis represents _________________.
a) number of mates ; number of offspring b) number of offspring ; fitness c) temperature ; number of males or females d) age class ; number of offspring e) number of offspring ; number of mates
The asexual reproductive spores produced at the tips of hyphae and not enclosed in a sac are (conidiospores/ascospores/sporangiospores)
What will be an ideal response?