Which researchers showed that DNA is the genetic material?
A) Watson and Crick
B) Hershey and Chase
C) Garrod and Griffith
D) Meselson and Stahl
B) Hershey and Chase
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If you were developing artificial B-cell receptors (BCRs) based on the natural version and wanted to change the BCRs' ability to bind certain antigens, which region of the natural receptor would you alter?
A) transmembrane domain B) amino terminus of light and heavy chains C) carboxy terminus of light and heavy chains D) the region projecting into the cytosol of the cell
Which of the following is NOT part of the Watson-Crick model of structure of DNA?
a) DNA is composed of two strands b) the two DNA strands are oriented parallel (5'-to-3') c) purines bind to pyrimidines d) DNA forms a double helix
The greatest rate of extinction of all time is/was probably caused by ____
a. an ice age b. unknown reasons c. formation of Pangea d. human activity e. asteroid impact
Which of the following would possess a cnidocyte?
a) insect b) sponge c) starfish d) jellyfish