Cells
type of microscope to view the internal structures of cells
transmission electron microscope
2 differences between prokaryotic and eukaryotic cells
size, unicellular, nucleus, membrane bound organelles
type of protein found on the outside of the plasma membrane
peripheral
cells and solutions are in the same type of solution
isotonic
Roger Federer is a legend in this sport
tennis
technique to separate major organelles so that their particular functions can be determined.
cell fractionation
One major difference between a plant and animal cell
chloroplast
type of protein that goes completely through a plasma membrane
amphipathic
Which of the following statements is correct about diffusion?
A) It is very rapid over long distances.
B) It requires an expenditure of energy by the cell.
C) It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.
D) It is an active process in which molecules move from a region of lower concentration to one of higher concentration.
E) It requires integral proteins in the cell membrane.
What structure uses the term fluid mosaic model
plasma membrane
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules
proteins
all cells have these 4 structures
ribosomes, plasma membrane, DNA, cytoplasm
How does the hydrophobic gas nitrous oxide (N2O) (laughing gas) move into a cell
Diffusion
Mammalian blood contains the equivalent of 0.15 M NaCl. Seawater contains the equivalent of 0.45 M NaCl. What will happen if red blood cells are transferred to seawater?
shrivel and collapse
What sport contains events like pole vault, javelin, and the steeplechase?
Track and Field
type of cells that lack membrane bound organelles
prokaryotic
Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells
gap junctions
Three of the structures that make up a plasma membrane
phospholipids, proteins, cholesterol, glycoproteins
Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells?
Plants are in a hypotonic enviornment and animal cells are in an isotonic environment
A 0.8M sucrose solution is placed into water and let to rest for 30 minutes. What is the result after the 30 minutes
It will gain mass.
type of organelle or structure that is primarily involved in the synthesis of oils, phospholipids, and steroids
smooth ER
Thylakoids, DNA, and ribosomes are all components found in this organelle
chloroplast
Which of these are not embedded in the hydrophobic portion of the lipid bilayer?
A) transmembrane proteins
B) integral proteins
C) peripheral proteins
D) integrins
E) glycoproteins
When a plant cell, such as one from a peony stem, is submerged in a very hypotonic solution, what is likely to occur?
cell will become turgid
What are three properties of water
surface tension
Specific Heat
Universal Solvent
Density of ice
cohesion and adhesion