Molecular Biology Questions
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You are a virologist interested in studying the evolution of viral genomes. You are studying two newly isolated viral strains and have sequenced their genomes. You find that the genome of strain 1 contains 25% A, 55% G, 20% C, and 10% T. You report that you have isolated a virus with a single-stranded DNA genome. Based on what evidence can you make this conclusion?
Proteins produced by the immune system in response to a foreign molecule or invading microorganism are called
Common folding pattern in proteins in which a linear sequence of amino acids folds into a right-handed coil stabilized by internal hydrogen bonding between backbone atoms is called a/an
Loss of electrons from an atom, as occurs during the addition of oxygen to a molecule or when a hydrogen is removed is called
Linked pair of chemical reactions in which the free energy released by one of the reactions serves to drive the other is called a/an ?
The thermodynamic function that is related to the second law is called _____?
Extra energy that must be possessed by atoms or molecules in addition to their ground-state energy in order to under a particular chemical reaction is called a/an _____?
Molecule on which an enzyme acts is called a/an ?
State at which there is no net change in a system. In a chemical reaction, this state is reached with the forward and reverse rates are equal.
Region of an enzyme surface to which a substrate molecules binds in order to undergo a catalyzed reaction is called a/an
A substance that releases protons when dissolved in water, forming a hydronium ion is called a/an _____?
Most of the interactions between macromolecules could be mediated just as well as covalent bonds as by noncovalent bonds T/F
A type of noncovalent bond that is formed at a close range between non-polar atoms is called a/an _____?
A 10^-8 M solution of HCL has a pH of ?
By definition, prokaryotic cells do NOT possess _____?
What unit of length would you generally use to measure a typical plant or animal cell?
What stabilizes the single-stranded DNA (ssDNA) non-template strand at the -10 element?
What is the complete RNA polymerase with sigma factor called?
Many of the mechanisms that cells use for maintenance and reproduction were first studied at the molecular level in bacteria. Which bacterial species had a central role in advancing the field of molecular biology?
Mitochondria perform cellular respiration, a process that uses oxygen, generates carbon dioxide, and produces chemical energy for the cell. Which answer below indicates a correct pairing of material "burned" and the form of energy produced during cellular respiration?