The RNA that has an anticodon and attaches to a specific amino acid is ________ RNA
Transfer
Water may move through membrane pores constructed by transmembrane proteins called ________.
Aquaporins
________ is the division of the cytoplasmic mass into two parts.
Cytokinesis
The metabolic or growth phase of a cell life cycle is called ________.
Interphase
Aerobic cellular respiration occurs in the ________.
Mitochondria
The most common extracellular ion is ________.
Sodium
The process of discharging particles from inside a cell to the outside is called ________.
Exocytosis
A red blood cell would swell if its surrounding solution were ________.
Hypotonic
Describe two important functions of the Golgi apparatus.
To modify, sort, and package proteins.
Why can we say that a cell without a nucleus will ultimately die?
Without a nucleus, a cell cannot make proteins, nor can it replace any enzymes or other cell structures (which are continuously recycled). Additionally, such a cell could not replicate.
What processes maintain a steady state "resting" membrane potential?
Both diffusion and active transport mechanisms operate within the cell membrane to maintain a resting membrane potential.