Regardless of how treatment was assigned, what can be assumed about what the difference in the average outcomes of the treated and untreated groups is equal to?
A. Effect of the treatment on the treated
B. Average treatment effect (ATE)
C. (ETT)
D. Effect of the treatment on the treated + Selection Bias
Answer: D
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How does the organization of the bacterial genome differ from the organization of the eukaryotic genome?
A. The compaction of the eukaryotic genome involves structural maintenance of chromosome (SMC) proteins, and the compaction of the bacterial genome does not. B. Most bacterial chromosomes are circular and the eukaryotic chromosomes contained in the nucleus are not. C. Bacterial chromosomes are made up of RNA and eukaryotic chromosomes are made up of DNA. D. The eukaryotic genome is found on chromosomes and there are no chromosomes in bacterial cells. E. Eukaryotic chromosomes have to be tightly packed to fit into the nucleus, and bacterial chromosomes do not require tight packing to fit into the cell.
Of all the different codons that exist, three of them do not encode a particular amino acid. Their role is to:
a. allow for any amino acid to be added in their place. b. encode tRNA molecules. c. provide instructions on the tertiary structure of the protein. d. signal the start of translation. e. provide instructions to stop translation.
The vegetation formation dominated by needle-leaf evergreen trees and occurring where growth is restricted to a few months of the year due to low temperatures is referred to as
A) temperate deciduous forest. B) tundra. C) boreal forest. D) temperate shrubland.
Which of the following statements is false?
A) Translation consists of initiation, elongation, and termination. B) During polypeptide initiation, an mRNA molecule, the first amino acid attached to its tRNA, and the two subunits of a ribosome are brought together. C) The start codon can be different depending on what kind of protein is to be translated. D) During the first step of initiation, an mRNA molecule binds to a small ribosomal subunit.