Quiz Flashcards
The region of the cell that houses the genetic information is called the ___. It is often referred to as the “headquarters” or “brain” of the cell.
Nucleus
___ transport moves molecules across the plasma membrane of a cell with the help of transport proteins and energy (ATP).
Active
Any cell that produces large quantities of proteins would have many:
Ribosomes
Which of the following sequences represents the hierarchy of biological organization from the most complex to the least complex level?
Biosphere Ecosystem Community Population Organism
Which of the following sequences represents the hierarchy of biological organization from the most complex to the least complex level?
diffusion is constantly moving the solutes in the other direction
Which of the following is not true about enzymes?
They are consumed by the reactions they catalyze.
Energy is stored long-term in the bonds of _____ and used short-term to perform work from a(n) _____ molecule.
Glucose; ATP
The glucose that enters the glycolysis pathway is split into two molecules of _________.
Pyruvate
Which molecule absorbs the energy of a photon in photosynthesis?
Chlorophyll
Plants produce oxygen when they photosynthesize. Where does the oxygen come from?
Splitting water molecules
Most organic molecules (such as DNA and proteins) are held together primarily by which type of chemical bond?
Covalent bonds
Muscle cells require more energy in order to function than most other cells. Therefore, muscle cells would be expected to have more ________ than most other cells.
Mitochondria