The zig-zag and solenoid models are associated with the _ level of DNA organizat

Question

The zig-zag and solenoid models are associated with the _ level of DNA organization.

            A. Histone

            B. 11nm fiber

            C. Beads on a string

            D. 30 nm fiber

Which of the following types of selection favor the survivals with the intermediate phenotype?

            A. Stabilizing selection

            B. Directional selection

During this phase of the cell cycle, the sister chromatids are formed:

            A. G1 phase

            B. S phase

            C. Prophase

            D. Cytokinesis

Explanation / Answer

D. 30 nm fiber

A. Stabilizing selection

C. Prophase

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