Sugars and phosphates are held together in a DNA molecule by a(n) ____________________ bond

Fill in the blank(s) with correct word


covalent

Biology & Microbiology

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Which of the following terms DOES NOT describe a basic type of protistan nutrition?

A. phagotrophic B. eutrophic C. osmotrophic D. autotrophic E. mixotrophic

Biology & Microbiology

The minimum level of depolarization required to initiate an action potential in an excitable cell is

called the

a. electrical potential. b. refractory potential. c. membrane potential. d. resting potential. e. threshold potential.

Biology & Microbiology

If the half-life of a radioisotope is 20,000 years, then a sample in which three-quarters of that radioisotope has decayed is _____ years old

a. 15,000 b. 26,667 c. 30,000 d. 40,000

Biology & Microbiology

In Figure 16.1, how many mL is the functional residual capacity?

A) 1300 B) 3000 C) 2800 D) 1700 D) 1700

Biology & Microbiology