Trichinella species spend their entire life within the body of a mammalian host, but can move from one species to another upon consumption of an infected animal. Which of the following statements regarding trichinosis is incorrect?
A. Ground pork is safe, as the grinding process both inactivates the Trichinella cysts and mixes it with meats from multiple animals, effectively diluting any remaining cysts.
B. An important hazard of consuming roadkill meats is the potential presence of Trichinella cysts.
C. Venison (deer) is safe from trichinosis because deer are herbivores not carnivores.
D. Affected muscle tissue has multiple cysts. Upon consumption, this generates a population that includes both males and females for the infection to propagate.
Answer: A
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Answer the following statement(s) true (T) or false (F)
1. In seed plants the entire male gametophyte is transported to the female. 2. Comparisons of DNA sequences have revealed that glomeromycetes are not in the same clade as the zygomycetes. 3. Recent phylogenetic analysis has provided evidence to justify classifying microsporidians as fungi. 4. Zygospores are used to resist harsh conditions. 5. The side to side thrashing of a nematode is accomplished by contraction of its circular muscles.
Four of the five answers listed below are
members of the same group. Select the EXCEPTION.
a. amoeba b. clostridium c. euglena d. water molds e. ciliates
According to the __________, the universe formed
about 13 to 15 billion years ago and is still expanding. Fill in the blank(s) with the appropriate word(s).
Which of the following accurately represents the relationship between the terms anabolism,
catabolism, and metabolism? a. anabolism = catabolism b. metabolism = catabolism c. catabolism = anabolism + metabolism d. anabolism = catabolism + metabolism e. metabolism = catabolism + anabolism