Glucose-6-phosphate dehydrogenase (G6PD) deficiency is inherited as an X-linked recessive gene in humans. A woman whose father suffered from G6PD marries a normal man. What percentage of their sons is expected to be G6PD?
A) 50% B) 25% C) 100% D) 0% E) 75%
Answer: A
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What organic compound makes up 25% of the secondary walls of cells of older stems and roots?
a. Cellulose b. Glycogen c. Glucose d. Lignin e. Starch
If a cell contained a mutation in the gene that encodes FtsZ, which process would be affected?
A. Cytokinesis B. Cohesin cleavage C. Prophase D. DNA Synthesis E. Septation
In modern proteomic analysis the amino acid sequence of a protein can be determined by ________.
A. mass spectrometry B. determining its nucleotide sequence C. analysis using protein chips with appropriate probes D. two-dimensional gel electrophoresis
Describe a cell-free protein synthesizing system with which you could determine unambiguously which codons specify which amino acids
What will be an ideal response?