What would enable a single RNA transcript to be translated into different polypeptides?
A) The RNA transcript can be spliced more than one way.
B) The coded polypeptide may be modified in more than one way.
C) The length of the RNA transcript tail can vary.
D) Two different genes can produce the same RNA transcript, which will then be translated differently.
A
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In humans, body size, muscle mass, and patterns of fat distribution are types of ____ sex characteristics
a. primary b. secondary c. tertiary d. initial e. mutable
A diploid (2n) hyphal cell of Neurospora crassa will take the next step in its life cycle by ________
a. breaking open to disperse spores b. undergoing meiosis to produce ascospores c. undergoing mitosis to produce more 2n hyphal cells d. finding a compatible strain and completing cytoplasmic fusion
Oxygen, with an atomic number of 8, is a neutral atom and has ________ electrons in the first electron shell and ________ electrons in the second electron shell
A) 1; 7 B) 5; 3 C) 4; 4 D) 2; 6 E) 3; 5
Birds, like mammals, can regulate their body temperatures within close limits. Therefore birds and mammals are called
A. heterothermic. B. poikilothermic. C. endothermic. D. ectothermic.