Podcast
Questions and Answers
Which type of microscope is used for observing transparent microorganisms without staining and killing them?
Which type of microscope is used for observing transparent microorganisms without staining and killing them?
- Scanning Electron Microscopy (SEM)
- Fluorescence Microscopy
- Phase-contrast Microscopy (correct)
- Transmission Electron Microscopy (TEM)
What specialized feature of a microscope can enhance characteristics like birefringence exhibited by certain substances?
What specialized feature of a microscope can enhance characteristics like birefringence exhibited by certain substances?
- Specialized filters (correct)
- Adjustable light intensity
- High-powered objective lens
- Optical zoom capability
Which cellular structure serves as the genetic material for directing protein synthesis?
Which cellular structure serves as the genetic material for directing protein synthesis?
- Nucleolus
- Nuclear envelope
- Chromatin (correct)
- Cytoplasm
What is the major function of the nuclear envelope?
What is the major function of the nuclear envelope?
Which microscope utilizes an electron beam instead of a beam of light to achieve extremely high resolution?
Which microscope utilizes an electron beam instead of a beam of light to achieve extremely high resolution?
What cellular component is responsible for many cellular processes?
What cellular component is responsible for many cellular processes?
What is the function of the ocular/eyepiece in a compound microscope?
What is the function of the ocular/eyepiece in a compound microscope?
Which part of the compound microscope increases illumination in the sample?
Which part of the compound microscope increases illumination in the sample?
What is the function of the revolving nosepiece/turret on a compound microscope?
What is the function of the revolving nosepiece/turret on a compound microscope?
Which part of the compound microscope is used for initial focusing?
Which part of the compound microscope is used for initial focusing?
What is the function of the mechanical part called 'arm' in a compound microscope?
What is the function of the mechanical part called 'arm' in a compound microscope?
What is the total magnification when using a compound microscope with a scanning objective (4x) and an ocular lens (10x)?
What is the total magnification when using a compound microscope with a scanning objective (4x) and an ocular lens (10x)?
What is the major function of microvilli in a cell?
What is the major function of microvilli in a cell?
Which phase of the cell cycle is devoted primarily to DNA replication?
Which phase of the cell cycle is devoted primarily to DNA replication?
What is the main function of the plasma membrane in a cell?
What is the main function of the plasma membrane in a cell?
Which cellular structure organizes microtubules that serve as the cell’s skeletal system?
Which cellular structure organizes microtubules that serve as the cell’s skeletal system?
What is the primary function of cilia in a cell?
What is the primary function of cilia in a cell?
Which phase of the cell cycle accumulates enzymes and nucleotides?
Which phase of the cell cycle accumulates enzymes and nucleotides?
Which organelle is responsible for the synthesis of secretory proteins, cell membrane proteins, and organelle proteins?
Which organelle is responsible for the synthesis of secretory proteins, cell membrane proteins, and organelle proteins?
What is the major function of the rough endoplasmic reticulum?
What is the major function of the rough endoplasmic reticulum?
Which organelle contains hydrolytic enzymes to digest proteins, polysaccharides, fats, and nucleic acids?
Which organelle contains hydrolytic enzymes to digest proteins, polysaccharides, fats, and nucleic acids?
What is a key function of peroxisomes in a cell?
What is a key function of peroxisomes in a cell?
Which organelle serves as the main energy transformer of cells and synthesizes ATP during cellular respiration?
Which organelle serves as the main energy transformer of cells and synthesizes ATP during cellular respiration?
What is the main function of the centrosome in a cell?
What is the main function of the centrosome in a cell?
Which structure consists of an organized network of protein filaments and hollow tubules in a cell?
Which structure consists of an organized network of protein filaments and hollow tubules in a cell?
Which organelle is composed of both protein and ribosomal RNA organized into large and small subunits?
Which organelle is composed of both protein and ribosomal RNA organized into large and small subunits?
What is the major role of free ribosomes within a cell?
What is the major role of free ribosomes within a cell?
Which organelle is responsible for carbohydrate synthesis and acts as a sorting and dispatching station for products of the endoplasmic reticulum?
Which organelle is responsible for carbohydrate synthesis and acts as a sorting and dispatching station for products of the endoplasmic reticulum?
What happens to the nucleolus during prophase?
What happens to the nucleolus during prophase?
What is the role of centrosomes in prophase?
What is the role of centrosomes in prophase?
What causes the nuclear lamina and nuclear pore complexes to disassemble in late prophase?
What causes the nuclear lamina and nuclear pore complexes to disassemble in late prophase?
How are sister chromatids separated during mitosis?
How are sister chromatids separated during mitosis?
What happens to the chromosomes in telophase?
What happens to the chromosomes in telophase?
What structure develops in the cortical cytoplasm during telophase?
What structure develops in the cortical cytoplasm during telophase?
