What is a nucleosome?
What will be an ideal response?
Ans: A nucleosome is the basic subunit of chromatin in eukaryotic chromosomes. It consists of a complex of histone proteins organizing a length of about 200 bp of DNA to form a beadlike structure.
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Homoplasies are the result of convergent evolution
a. True b. False
A mutant form of the DNA helicase has emerged in a cell that prevents normal function. Which processes of the Central Dogma will be affected?
A. Replication B. Transcription C. Translation D. A and B. E. All of the above
Which of the following are TRUE regarding phylogenetics?
A. Phylogenetic inference represent hypotheses about evolutionary relationship among organisms B. Phylogenetics is the study of how organs evolved C. Phylogenetics only works when we already know the true evolutionary relationships among organisms D. Phylogenetics is the study of the functional relationships among different groups of organisms
What results from the process of translation?
a. tRNA b. mRNA c. A polypeptide d. Ribosomes