02.00 - Introduction to Cell Flashcards
Which of the following is not true about Rudolf Virchow?
a. He proposed that all cells develop only from pre-existing cells (omnis cellula e cellula)
b. He is considered as the Father of Modern Parasitology.
c. He was also famous for his work on typhus and leukemia cells.
d. He also dabbled in the field of anthropology.
b. He is considered as the Father of Modern Parasitology.
True or False: A eukaryotic cell is compartmentalized.
True
All of the following statements describe prokaryotes except:
a. It lacks an endoplasmic reticulum, mitochondria, and ribosomes.
b. It may use flagella for locomotion.
c. It has no defined nucleus.
d. None of the above
a. It lacks an endoplasmic reticulum, mitochondria, and ribosomes.
Which of the following does not apply to a virus?
a. It is a supramolecular assembly.
b. It hijacks its host’s cellular machinery but can also metabolize and survive without a host.
c. When it infects bacteria, it is termed as a bacteriophage.
d. None of the above
b. It hijacks its host’s cellular machinery but can also metabolize and survive without a host.
All of the following is true except:
a. Majority of biological interactions take place in water.
b. Water is a major reactant for glycolysis, which eventually leads to ATP production through oxidative phosphorylation.
c. A bacterial cell is 70 percent water.
d. Strictly speaking, water is not the universal solvent.
b. Water is a major reactant for glycolysis, which eventually leads to ATP production through oxidative phosphorylation.
The process of ejecting water during polymer formation is called:
Condensation
The process of adding water to break down bonds between monomers is called:
Hydrolysis
Amino acids are joined together by __________________ to form polypeptides.
Peptide bonds
Which of the following is correctly paired?
a. Lipids - ester linkages
b. Messenger RNA - 5’ to 3’ phosphodiester bonds
c. Antibodies - glycosidic bond
d. A and B
a. Lipids - ester linkages
___________________ are attractions or repulsions that occur between neighboring molecules, while ______________ occur within the same molecule.
Intermolecular, intramolecular
The intermolecular force that would exist between two methane molecules would most likely be a/an:
a. ionic interaction
b. London dispersion forces
c. dipole-dipole interaction
d. hydrogen bonding
b. London dispersion forces
In which pair of molecules would a dipole-dipole interaction most likely exist?
a. benzene and methane
b. water and salt
c. methanol and water
d. B and C
c. methanol and water
It refers to the process during which young, unspecialized cell take on individual characteristics and reach their mature, specialized form and function.
Differentiation
True or False: Peptide bonds are amine bonds.
False. Peptide bonds are amide bonds.
Which of the following is not a function of carbohydrates?
a. Cell communication
b. Energy metabolism
c. Structural roles
d. None of the above
d. None of the above
