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

Biology & Microbiology

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