Biotechnology Quiz
Preview:
What triggers the development of lymphocyte clones in Jenner’s patients?
A. Inoculation with cowpox
B. Exposure to sunlight
C. Ingestion of antibiotics
D. Physical exercise
In which of the following solutions is the amount of solvent that moves in and out of the cell equal?
A. isotonic
B. hypotonic
C. hypertonic
D. plasma
The thin, flexible barrier around a cell is called the____.
A. Plasma membrane
B. Cell wall
C. Nuclear envelope
D. Cytoplasm
The carrier molecules in the cell membrane which facilitate the transport of large molecules in the cell are actually _______________.
A. lipids
B. carbohydrates
C. proteins
D. nucleic acids
What are the building blocks of a protein molecule?
A. Phenotypes
B. Amino acids
C. Nucleic acids
D. Enzymes
Which type of immunoglobulin is the major form found in blood plasma?
A. IgA
B. IgD
C. IgE
D. IgG
All cells contain which of the following?
A. Chloroplast
B. Plasma membrane
C. Nucleus
D. Centrosome
What are the two main types of chains in an immunoglobulin molecule?
A. Heavy and light chains
B. Alpha and beta chains
C. Gamma and delta chains
D. Mu and epsilon chains
Which solution has a high concentration of solute, and a lower concentration of water outside the cell?
A. hypertonic
B. hypotonic
C. isotonic
D. hydrophilic
Which of the following describes the orientation of the DNA found in a run gel electrophoresis?
A. Small fragments are found near the well since it is negatively charged
B. Large fragments are found near the well while small fragments are found at the other end
C. Small fragments are found near the well while large fragments are found at the other end
D. Large fragments are found near the well since it is positively charged
What process allows for the generation of immunoglobulin diversity?
A. Somatic hyper-mutation
B. DNA replication
C. RNA transcription
D. Protein synthesis
How do Ig receptors differ from TLR innate receptors?
A. Ig receptors have variable regions for antigen binding
B. TLR receptors bind to specific antigens
C. Ig receptors are part of the innate immune system
D. TLR receptors are secreted by B cells
The folds found inside the mitochondria that give more surface area for energy-releasing processes to take place are referred to as the ____.
A. Chromosomes
B. Cilia
C. Cristae
D. Cytoskeleton
A plasmodial slime mold is an example of a
A. protist
B. animal
C. plant
D. fungi
What is the primary function of memory cells during a secondary immune response?
A. Produce large amounts of antibodies rapidly
B. Initiate the primary immune response
C. Destroy pathogens directly
D. Activate T cells
