In the spiral staircase analogy of DNA structure, each railing represents a _______________________
A. sugar-phosphate backbone, and each step represents a pair of nitrogenous bases
B. sugar-phosphate backbone, and each step represents a nitrogenous base
C. nitrogenous base, and the steps represent the sugar-phosphate backbone of the DNA molecule
Answer: A
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A) A B) B C) C D) D E) E
In the above figure, which of the following would
have a diploid number of chromosomes? a. zygote b. multicelled sporophyte c. spores d. multicelled gametophytes e. both a and b
An extreme case of Rh disease is known as
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The repolarization phase of an action potential is dependent on the sodium-potassium pump
Indicate whether the statement is true or false