The step of translation in which amino acids are added one at a time to the growing polypeptide is
A. elongation.
B. mitosis.
C. initiation.
D. termination.
E. transcription.
A. elongation.
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Under what circumstances would a molecular geneticist need to use a bacterial artificial chromosome (BAC)?
A. when cloning small, prokaryotic genomes B. when cloning small, eukaryotic genomes C. when cloning large, eukaryotic genomes D. when the DNA inserts to be used for cloning are very small E. when sequencing small proteins
one of the main energy transformers of cells
A. lysosome B. vacuole C. mitochondrion D. Golgi apparatus E. peroxisome
Pedigrees ____
a. are usually constructed using the phenotypic information of one generation b. cannot determine whether a trait has a dominant or recessive pattern c. use squares to represent females and circles to represent males on their diagrams d. are not useful in deducing the genotypes of parents e. provide information on the patterns of inheritance of a trait
Why are telomeres a necessary component of linear chromosomes?
A. They direct where DNA synthesis will begin. B. They fix mistakes that are made during DNA replication. C. They extend the life of cells because DNA is shortened every time it is replicated. D. They direct where DNA synthesis will end. E. None of the answer options are correct.