Please choose the answer that best fills in the blanks of this sentence in the correct order. A ________ infectious disease, such as a urinary tract infection, is not transmitted from person to person, whereas an infectious disease which is transmitted from one person to another, such as influenza, is referred to as a ________ infectious disease.

A) Communicable; noncommunicable
B) Noncommunicable; communicable
C) Communicable; contagious


B) Noncommunicable; communicable

Biology & Microbiology

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Which of the following are never sink regions for the

pressure-flow translocation of organic compounds? a. growing leaves b. seeds c. fruits d. roots e. mature photosynthesizing leaves

Biology & Microbiology

The organelle that resembles a "stack of pancakes" is the

a. ribosome. b. lysosome. c. nucleolus. d. Golgi body. e. peroxisome.

Biology & Microbiology

When gene duplication occurs to its ultimate extent by doubling all genes in a genome, what has occurred?

A) pseudogene creation B) creation of a gene cluster C) creation of a polyploid D) creation of a diploid

Biology & Microbiology

A gene that codes for a protein was removed from a eukaryotic cell and inserted into a prokaryotic cell. Although the gene was successfully transcribed and translated, it produced a different protein than it produced in the eukaryotic cell. What is the most likely explanation?

A. Unlike eukaryotes, which have three different RNA polymerases, prokaryotes have a single RNA polymerase. B. Eukaryotic transcripts have a 5' cap while prokaryotic transcripts do not. C. Eukaryotic genes often contain introns while prokaryotic genes do not. D. There are slight differences in the genetic code for prokaryotes and eukaryotes.

Biology & Microbiology