How do members of Archaea differ from the Bacteria?
What will be an ideal response?
Bacterial cell walls contain peptidoglycan; archaeal walls lack peptidoglycan. Other differences include different ribosomes, different cell membranes, and different mechanisms for protein synthesis.
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The genes in a chromosome code for proteins.
a. true b. false
Which uses synthetic DNA plus DNA cloning techniques to introduce nucleotide changes at specific sites?
a. artificial chromosome synthesis b. ligation c. oligonucleotide replacement d. site-directed mutagenesis
A zygote would most likely be a haploid cell
__________________ Indicate whether the statement is true or false.
Which of the following is not a source of genetic variety?
A. crossing over B. synapsis C. random fertilization D. independent assortment