The __________ deliver(s) nutrient-rich blood from
the small intestine to the liver.
a. renal arteries
b. hepatic portal vein
c. abdominal aorta
d. inferior vena cava
e. coronary arteries
Answer: b
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In honeybees, if food is closer than 50 m, scouts
A. perform a waggle dance about the food's location. B. perform a round dance about the food's proximity. C. do not return to the food. D. look for other food. E. perform a waggle dance about the food's location and do not return to the food.
Endemic infections
A) are infections that are believed to be cured and wiped out by the year 2050. B) are routinely detected in a population or region. C) are infections that have only been recorded within the past 1,000 years and not before. D) are isolated infections in a particular population. E) are infections that are life threatening if not treated in a timely manner.
T or F: A relative angle is also referred to as a joint angle
What will be an ideal response?
You transform bacteria with a plasmid carrying the ampicillin-resistance gene ampR. How would you determine which bacteria took up the plasmid?
A. Bacteria containing the plasmid would be able to produce ampicillin. B. Bacteria containing the plasmid would be able to grow in the absence of ampicillin. C. Bacteria containing the plasmid would be able to grow in the presence of ampicillin. D. Ampicillin-resistance is necessary for the plasmid DNA to get into the bacteria. E. Bacteria containing the plasmid would be killed in the presence of ampicillin.