During a chemical reaction, atoms are ________
A) destroyed
B) created
C) rearranged
D) destroyed and created
C
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An anticodon
a. is a three-base sequence of nucleotides on tRNA. b. is produced by translation of RNA. c. has the same base sequence as does the codon. d. is the same as a gene.
The parabronchi of birds are open at both ends
____________________ Indicate whether the statement is true or false.
The reason segmental duplications pose a logistical challenge in the proper alignment of DNA sequences is that they
A. contain large numbers of LINEs, which interfere with sequence annotation. B. are inherently repetitive. C. interfere with BLAST analysis. D. are often found in areas of constitutive heterochromatin.
Transformation and transfection are methods used to introduce DNA into host cells.
Answer the following statement true (T) or false (F)