Osmosis is the diffusion of water across a membrane in response to the concentration of one or more of the ______.
A. solutes
B. membranes
C. compartments
D. cells
A. solutes
You might also like to view...
In the Drosophila embryo, gap genes govern the partitioning of the anterior-posterior gradient into segments
A. true B. false
Comparative genomics can be used to identify:
A. homologs, genes having demonstrable sequence similarity. B. homologs, genes having demonstrable sequence similarity and function. C. orthologs, genes in the same species that have demonstrable sequence similarity. D. orthologs, genes in the same species that have demonstrable sequence similarity and function. E. paralogs, genes in different species that have clear sequence similarity to each other.
For the successful development of a vaccine to be used against a pathogen, it is necessary that _____
A) the surface antigens of the pathogen stay the same B) all of the surface antigens on the pathogen be identified C) the pathogen has only one epitope D) the major histocompatability (MHC) molecules are heterozygous
Patient's serum, influenza virus, and red blood cells are mixed in a tube. What happens if the patient has antibodies against influenza virus?
A) agglutination B) hemagglutination C) complement fixation D) hemolysis E) hemagglutination-inhibition