Gene duplications provide an explanation for the origin of gene families
Indicate whether the statement is true or false
TRUE
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Muscle contraction occurs in a cyclic process. Which of the following sequences is in the correct order?
A) power stroke, cross bridge formation, cross bridge dissociation, cocking of myosin B) cross bridge formation, power stroke, cross bridge dissociation, cocking of myosin C) cross bridge formation, cocking of myosin, power stroke, cross bridge dissociation D) cross bridge formation, cross bridge dissociation, cocking of myosin, power stroke E) cross bridge formation, power stroke, cross bridge dissociation, power stroke, cocking of myosin
Which of the following genera has proved useful for manipulating plant cells?
A. Escherichia B. Bacillus C. Pseudomonas D. Agrobacterium
What technique can be used for studying the gene for cystic fibrosis?
What will be an ideal response?
A bacterial cell's DNA is found in its
A) ribosomes. B) nucleus. C) nucleoid. D) capsule.