What does the normal protein that is encoded
by the “cystic fibrosis” gene do?
a. transports chloride ions across membranes
b. delivers chloride ions to the endoplasmic
reticulum
c. binds chloride ions to DNA prior to gene
expression
d. binds chloride ions to bacteria so they are
more easily recognized by white blood cells
e. the normal protein does more than one of
these things
A
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What is the correct order of gene expression in the early Drosophila embryo?
A. pair-rule genes, gap genes, segment polarity genes B. gap genes, pair-rule genes, segment polarity genes C. gap genes, segment polarity genes, pair-rule genes D. segment polarity genes, pair-rule genes, gap genes
The growth of a new plant on the margin of a leaf that eventually falls to the ground and grows
independently is an example of
a. fragmentation. b. protoplast fusion. c. somaclonal section. d. grafting. e. apomixis.
Like the kidney, a dialysis machine leaves what in the blood?
A. water B. waste C. blood cells D. salt E. glucose
Topic 2.9 - Nitrogen Cycling
What will be an ideal response?