Which of the following does NOT occur during root nodule formation?
a. recognition of the correct partner by both plant and bacterium
b. attachment of the bacterium to root hairs
c. movement of bacteria to the leaves of the plant
d. secretion of Nod factors
Answer: C
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A chromosomal segment that breaks off and inserts into its homologous chromosome is what type of mutation?
A. deletion B. duplication C. inversion D. translocation E. reciprocal translocation
The primary reason why certain trees tend to grow straight and tall with few lateral branches when compared with other trees is because:
A. of unknown reasons B. Lateral buds are missing in many of these trees C. Lateral bud development is dependent on temperature D. Gibberellins affect the buds detrimentally E. Auxins inhibit lateral bud development
The energy released during the chain of electron transport molecules is used to create a(n) ____ gradient across the
inner mitochondrial membrane for chemiosmosis. a. ADP b. ATP c. proton d. oxygen e. electron
What number is/are naked helical virus(es)?
What will be an ideal response?