An example of a "seedless vascular plant" is a:

A) pine tree. B) green alga. C) club moss. D) gymnosperm.


Answer: C

Biology & Microbiology

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Diffusion tensor imaging (DTI) is a type of ____

a. MRI b. PET scan c. X-ray d. sonogram e. CT scan

Biology & Microbiology

What is the evolutionary advantage of bacteria producing restriction endonucleases? 

A. These enzymes are a defensive measure of bacteria to defend themselves against invading DNA of bacteriophages. B. Bacteria use these enzymes to attack other bacteria and destroy their DNA. C. They make these enzymes for humans to use in manipulating DNA. D. Bacteria use these enzymes to repair their own mistakes made during DNA replication.

Biology & Microbiology

Ocean acidification is being caused by

a. global warming. b. nitrogen fertilizer runoff. c. phosphorous fertilizer runoff. d. transfer of carbon dioxide from atmosphere to ocean. e. transfer of carbon dioxide from ocean to atmosphere.

Biology & Microbiology

Conjugative transposons ________.

A. often express enzymes that degrade aromatic compounds B. can be transferred from one bacterium to another by a phage-mediated process C. may be involved in the spread of antibiotic resistance in bacteria D. All of the choices are correct.

Biology & Microbiology