Based on the data in the Amino Acid Identity Table, which two members of the human globin gene family are the most divergent?
A) a1 and ß
B) ? and ß
C) a1 and a2
D) a1 and G?
B
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The selective permeability of a cell membrane is due to ____
a. the hydrophobic core formed by the phospholipid tails b. the hydrophilic end facing the cell exterior c. glycolipids on the surface of the membrane d. the position of cholesterol in the membrane bilayer e. the hydrophilic core formed by the phospholipid tails
Where does the initiator protein bind DNA at the start of replication?
A) At a replication fork B) At an origin of replication C) At any AT-rich region D) At a promoter region E) At a start codon
Inflammation generally results when tissues become damaged and ________ cells respond by releasing histamine
Fill in the blank(s) with correct word
Sequencing an entire genome, such as that of C. elegans, a nematode, is most important because _____
A) it allows researchers to use the sequence to build a "better" nematode, which is resistant to disease B) it allows research on a group of organisms we do not usually care much about C) a sequence that is found to have a particular function in the nematode is likely to have a closely related function in vertebrates D) a sequence that is found to have no introns in the nematode genome is likely to have acquired the introns from higher organisms