EXAM 2 Review Flashcards
Which of the following is false regarding the membrane potential
The resting membrane potential is maintain solely by passive transport processes
Which particular transport process occurs primarily in some white blood cells and Macrophages
Phagocytosis
In certain kinds of muscle cells, calcium ions are stored in blank
The smooth ER
The RNA responsible for bringing the amino acids to the ribosome for pro team formation is
tRNA
A red blood cell placed in pure water would
Swell and burst
Which of the following describes the plasma membrane?
A phospholipid by layer surrounding the cell
Which of the following structures would aid ia cell in allowing more nutrients to be absorbed by the cell?
Microvilli
Which of the following statements is correct regarding net diffusion?
The greater the concentration gradient, the faster the rate.
In a tissue type that undergoes a relatively great deal of mechanical stress, like the tissue that lines the intestine, you would expect to see an abundance of __________ between the individual cells of the tissue.
Desmosomes
If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable what could happen
The cells will lose water and shrink
Riboswitches are folded RNA’s that act as switches to turn proteins synthesis on or off in response to _____________
Changes in the environment
Which of the following is a function of the plasma membrane proteins?
Molecular transport through the membrane
Which of the following is correct regarding RNA?
Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein synthesis.
Which of the following would not be a constituent of a plasma membrane.?
Messenger RNA
Mitosis___________
Is a division of the genetic material within the nucleus
