Answer the following statements true (T) or false (F)
1. Proteins can have separate domains with distinct structures and functions.
2. The primary structure of a protein ultimately determines its three-dimensional structure.
3. All amino acids within a protein are either polar charged or polar uncharged.
4. The four nucleotide bases found in DNA are identical to those in RNA.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
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Membrane-bound nuclei are characteristic of both Archaea and eukaryotes
Indicate whether the statement is true or false
Which of these pairings is not correct?
a. diapsids?lizards b. diapsids?turtles c. synapsids?dinosaurs d. synapsids?mammals e. synapsid-birds
The nervous system is capable of using some neurotransmitters for more than one function. For example, some neurotransmitters may be excitatory in one pathway yet inhibitory in another
Discuss what accounts for the same neurotransmitter having different functions in alternate pathways.