In which of the following ways are archaea similar to eukaryotic cells?
A. Size
B. Shape
C. Presence of histones
D. DNA polymerases
E. Presence of operons
Answer: C
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What is required for formation of the transcription initiation complex in eukaryotes?
A. binding of a transcription factor to the TATA box, followed by recruitment of additional transcription factors and recruitment of RNA polymerase II B. binding of a transcription factor to the transcription bubble, followed by recruitment of additional transcription factors and recruitment of RNA polymerase III C. binding of the sigma subunit to the start site followed by recruitment of RNA polymerase II D. binding of RNA polymerase II to the TATA box, followed by recruitment of transcription factors E. binding of the sigma subunit to promoter elements at -35 and -10, followed by recruitment of the core polymerase
A gemma is a sexual reproductive structure produced by certain liverworts
____________________ Indicate whether the statement is true or false.
Which of these is not a form of kinetic energy?
A) a cyclist pushing the pedals of a bike B) a condor flapping its wings C) a ball rolling down a hill D) a covalent bond linking phosphate molecules E) a runner, sprinting toward the finish line
All amino acids are alike in that their R groups are polar.
Answer the following statement true (T) or false (F)