1. This nucleotide is a component of which of the following?
A. Both DNA and RNA
B. DNA
C. RNA
D. Neither DNA nor RNA
2. In its typical Watson-Crick base pair, this nucleotide donates \_\_\_\_ accepts \_\_\_\_ hydrogen bonds.
A. 3,0
B. 1,2
C. 2,1
D. 1,1
E. 0,2
3. Uracil forms a Watson-Crick basepair with \_\_\_\_\_.
A. guanine
B. cytosine
C. thymine
D. uracil
E. ade
4. Which of the following amino acids from an integral membrane protein would likely contact the membrane?
A. Ala
B. Thr
C. Ser
D. Lys
E. Asn
5. The \_\_\_\_\_ model describes the cell membrane as an assortment of integral proteins suspended freely in a lipid bilayer.
A. fluid mosaic
B. FRAP
C. cellular fusion
D. lateral diffusion
E. transverse diffusion