A 60-year-old having frequent constipation runs a greater risk of this condition
A) diverticulitis
B) peptic ulcer
C) diarrhea
D) appendicitis
A
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The double layered sac that surrounds the heart
and protects and anchors it is called the
a. peritoneum. b. perineum. c. pericardium. d. peristalsis. e. periwinkle
In 1997, a gene called Le was discovered by two research groups led by David Martin and Diane Lester. Allelic variation in the Le gene, which controls elongation of the plant stem between branches, is responsible for which trait in peas?
A) inflated and constricted pod shape B) yellow and green pod color C) purple and white flowers D) tall and short plant height E) axial and terminal flower position
What is the name of a molecule composed of one or more sugars?
A) carbohydrate B) lipid C) nucleic acid D) polypeptide
All of the following are associated with botulism outbreaks EXCEPT
A) type A toxin is most virulent. B) endospores of C. botulinum have been recovered from honey. C) type E toxin is associated with seafood. D) Alaskan natives have the lowest rate of botulism in the world. E) antibodies are not an effective method of treatment.