In the developed countries of the world, MOST intestinal infections are transmitted via
A) water.
B) person-to-person contact.
C) food.
D) hospital contamination.
Answer: C
You might also like to view...
Based on the following information on the scientific classification of the flesh fly, determine which one of the following is the scientific name for the flesh fly
Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Diptera Family: Sarcophagidae Genus: Sarcophaga Species: bullata A) Arthropoda bullata B) Sarcophagida insecta C) Insecta sarcophaga D) Sarcophaga bullata E) Animalia insecta
You are studying an individual with very low levels of insulin in her blood. Further analysis indicates that cells of her pancreas are producing normal levels of this protein, but it is accumulating in the cytoplasm rather than being secreted from the cells. Which hypothesis makes the most sense to explain this observation?
A. A chromosomal segment that includes the gene for insulin has been inverted. B. A missense mutation has altered the ribosome-binding sequence at the 5' end of the mRNA. C. A small deletion has removed the nucleotides that code for the signal sequence at the amino terminus of the protein. D. A two-base deletion near the middle of the gene has altered the reading frame during translation of the protein. E. A missense mutation has caused premature termination during translation of this protein.
Which is a difference between prokaryotes and eukaryotes?
A) Prokaryotes have DNA, whereas eukaryotes have RNA. B) Prokaryotes have a nucleoid, whereas eukaryotes have a nucleus. C) Prokaryotes have RNA, whereas eukaryotes have DNA. D) Prokaryotes have a nucleus, whereas eukaryotes have a nucleoid. E) Prokaryotes have a cell wall, but eukaryotes do not.
How does HIV enter the cell?
What will be an ideal response?