Chemistry Questions
Explore questions in the Chemistry category that you can ask Spark.E!
same chemical properties, different biological properties
the a-helix is ________ and R-group side chains face ______ the center of the helix
T/F methylation can increase or repress transcription
required for condensation of chromatin into 30 nm fiber
Gamma radiation is extremely penetrating because it has no mass and has much higher energy than _______ and __________.
______________ can be deadly to living organisms because it can cause severe burns, cell degradation, and genetic mutation.
A nuclear equation is an equation that shows the beginning __________, the ending nuclide, and any particles involved in radioactive decay.
The amount of time required for one-half of the atoms of a radioactive sample to decay to more stable nuclides is ____________.
____________ comes from the nucleus of an atom.
A proton is changed into a neutron or a neutron is changed into a proton when a(n) ___________________ is ejected in beta decay.
Beta minus decay results in the emission of ____________ from a nucleus.
Elements with atomic numbers greater than that of uranium, which is 92 are called ____ nuclides.
The conversion of a neutron to a proton or a proton to a neutron with the emission of a beta particle is ____________.
______________ is high-energy electromagnetic radiation released as a by-product of radioactive decay.
Beta plus decay results in the emission of a(n) __________ from the nucleus.
A particle consisting of two protons and two neutrons bound together and emitted from the nucleus of an unstable nuclide during alpha decay is called a(n) ___________.
High-energy electromagnetic waves that are emitted from a nucleus as it changes from an excited state to a lower energy state are __________________.
In ___________, both the atomic number and atomic mass number decrease.
An alpha particle is emitted from an unstable nuclide's nucleus during ____________.
The transmutation of nuclides by bombarding their nuclei with charged or uncharged particles is _______________________.