This Practice Exam for Cell Biology assesses key concepts such as prokaryotic structures, protein configurations, enzymatic reactions, RNA characteristics, and the genetic code. It enhances understanding of molecular and cellular processes crucial for advanced biology studies.
Have conserved amino acid sequences
Have conserved secondary structures
Have similar functions
Have conserved tertiary structures
All of the above
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Allosteric regulation
Feedback regulation
GTP-binding
ATP-binding
All of the above
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Hydrogen bonding between the amino acid side chains most commonly found in proteins
Noncovalent interactions between amino acid side chains and the polypeptide backbone
Ionic interactions between charged amino acid side chains
Hydrogen bonding between atoms of the polypeptide backbone
Hydrophobic interactions between the many nonpolar amino acids
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It contains the base uracil, which preferentially pairs with cytosine.
It is single-stranded and cannot form base pairs.
It is single stranded can can fold up into a variety of structures.
The nucleotides are linked together in different way
The sugar ribose contains fewer oxygen atoms than does deoxyribose
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They have no nucleus and hence no DNA
They have no Golgi apparatus
They include bacteria, yeast, and protozoans
They are all able to live on inorganic energy sources
Both (b) and (c) are correct
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Lysozyme
Ef-Tu
Myosin head
M-phase promoting factor (MPF)
Hemoglobin
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Substrate affinity of an enzyme
Enzyme performance
Catalytic rate of an enzyme
Ratio of [enzyme-substrate complex] to[unbound enzyme][unbound substrate]
Rate of enzyme degradation
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One codon specifies more than one amino acid
The genetic code consists of 64 codons
All amino acids are specified by more than one codon
The genetic code is different in prokaryotes and eukaryotes
All codons specify an amino acid
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