Which of the following molecules is the most
common photosynthetic pigment in plants?
a. chlorophyll a
b. chlorophyll b
c. chlorophyll c
d. chlorophyll d
e. chlorophyll e
A
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The number of circuits in the circulatory systems of humans is
(a) one. (b) two. (c) three. (d) four.
Molecular studies place ____ as the sister clade of vascular plants
a. ferns b. mosses c. liverworts d. hornworts e. stone worts
Is Membrane 2 permeable to both molecules?
a. Yes b. No
Scientists studying the causes of a type of progressive hearing loss known as otosclerosis want to identify the genetic contribution to the disorder. By which of the following are they most likely to find a causative gene or genes?
A) a genome-wide association study with a large number of SNPs, using pooled DNA samples B) genome-wide linkage analysis studies of families whose members have otosclerosis C) a candidate gene case-control association study with genes known to be involved in ear development D) comparison of gene expression among otosclerosis patients E) allelic heterogeneity studies for a gene expected to be involved