The name given to double-stranded DNA that is twisted upon itself is ________
Fill in the blank with correct word.
Answer: supercoiled DNA
Biology & Microbiology
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Which of the following is necessary to move substances against an electrochemical gradient?
a. Energy from ATP b. Highly dense solvents c. Isotonic solutions d. Particles from vacuoles
Biology & Microbiology
Chlorophyll a molecules absorb ____ light
a. orange, green and yellow b. orange, purple and red c. red and yellow d. orange and blue e. purple, orange, and yellow
Biology & Microbiology
In this diagram of the life cycle of a fern, which structure, A, B, C, or D, must swim through free water?
1.A
2.B
3.C
4.D
One way that the development of drug resistance in viruses has been reduced has been by the use of a cocktail of several drugs at high doses.
Answer the following statement true (T) or false (F)
Biology & Microbiology