A relaxed closed-circular DNA of 5,000 bp would have a linking number of:
A. 500
B. 476
C. 347
D. 210
E. 50
B
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Rhodobacter cells perform photosynthesis in the presence of light and grow heterotrophically in the dark. After being cultured in total darkness for multiple generations phenotypic and genotypic changes occur
What phenotypic changes occur and what evolutionary processes are driving them? What will be an ideal response?
The figure above illustrates a ____ reaction
that produces two _____ and a ____. a. condensation; hydroxyls; polymer b. condensation; water molecules; polymer c. cleavage; water molecules; monomer d. rearrangement; water molecules; polymer e. rearrangement; hydrogen ions; polymer
If you could neither synthesize nor acquire deoxyribose in any way, you could not make the nucleic acid ________
Fill in the blank(s) with correct word
The ciliary muscle
A. controls the shape of the lens to maintain a clear image of focus at various distances. B. is the part of the eye that contains rods, cones, and bipolar cells. C. is extremely sensitive to light and responsible for night vision. D. is the internal part of the cochlea with hair cells that are stimulated by sound waves. E. is the part of the inner ear that recognizes rotational equilibrium.