How is the chromosome of a bacterial cell replicated?
a. The linear DNA molecule is replicated from multiple origins of replication bidirectionally.
b. The linear DNA molecule is replicated from one origin of replication bidirectionally.
c. The circular DNA molecule is replicated from multiple origins of replication
bidirectionally.
d. The circular DNA molecule is replicated from one origin of replication bidirectionally.
e. The circular DNA molecule is replicated from one origin of replication unidirectionally.
D
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A purine or pyrimidine that is attached to a sugar, either ribose or deoxyribose, which is attached to one or more phosphate groups is called a ________.
A. nitrogenous base B. nucleic acid C. nucleoside D. nucleotide
The semiliquid substance within the nucleus is called ____
a. nucleoplasm b. nuclear gel c. cytoplasm d. chromatin e. protoplasm
Looking at the data from this experiment, in which butterflies with and without wing spots and wing sound were eaten by blue tit birds, which hypothesis do the data best support?
The first federally approved gene therapy for humans was designed to treat ____
a. severe combined immune deficiency b. Diabetes c. cystic fibrosis d. Hemophilia e. Leukemia