Which plant group has a dominant gametophyte generation when compared to the sporophyte generation?

a. flowering plants
b. gymnosperms
c. ferns
d. horsetails
e. bryophytes


E; Bryophytes are least adapted to land and thus have a dominant gametophyte generation.

Biology & Microbiology

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Bacteria within biofilms exchange

A. plasmids. B. nutrients. C. quorum-sensing molecules. D. All of the choices are correct.

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The most definitive test to diagnose a helminth infection is

A. a good medical history of the patient, including recent foreign travel. B. an ova and parasite smear for microscopy. C. a serological test for the presence of anti-helminthic antibodies. D. a blood cell count to look for elevated levels of eosinophils.

Biology & Microbiology

The pH of human blood is approximately 7.4 and the body temperature is approximately 37 °C. Which of the following best describes a human pathogen?

A) neutrophiles & acidophiles B) acidohphiles & thermophiles C) neutrophiles & mesophiles D) thermophiles & mesophiles

Biology & Microbiology

In eukaryotes, all of the different types of RNA are transcribed in the ____________.

A. mitochondria B. cytoplasm C. ribosomes D. nucleus E. endoplasmic reticulum

Biology & Microbiology