The ______ is the organelle responsible for processing the proteins secreted from the ER and the shipment of those proteins. Answers A. Mitochondria answer-incorrect B. Vesicles answer-incorrect C. Nucleus answer-incorrect D. ER answer-incorrect E. Golgi apparatus answer-correct
Cellular organelles are suspended in a viscous water-based liquid known as the ______. Answers A. Cytosol answer-correct B. Plasma answer-incorrect C. Cell gel answer-incorrect D. Organelle matrix answer-incorrect E. Nuclear envelope answer-incorrect
Which of the following is NOT a cellular organelle? Answers A. Nucleus answer-incorrect B. Endoplasmic Reticulum answer-incorrect C. Golgi Apparatus answer-incorrect D. Chromosomes answer-correct E. Lysosomes answer-incorrect
The detoxification of drugs takes place in the ________. Answers A. Smooth endoplasmic reticulum answer-correct B. Rough endoplasmic reticulum answer-incorrect C. Nucleus answer-incorrect D. Chloraphyll answer-incorrect E. Mitochondria answer-incorrect
Which of the following biomolecules are the principle building blocks of the cytoskeleton? Answers A. Carbohydrates answer-incorrect B. Lipids answer-incorrect C. Proteins answer-correct D. Nucleic acids answer-incorrect E. Phospholipids answer-incorrect
The cytoskeleton is ______. Answers A. Responsible for allowing cellular movement answer-correct B. An organelle that produces hydrogen peroxide answer-incorrect C. Material consisting of DNA and proteins answer-incorrect D. Made up of cellulose answer-incorrect E. Used to convert solar energy to chemical energy stored in sugar molecules answer-incorrect
The strong and flexible actin is a type of protein that is very useful in _____. Answers A. Protecting the cell from toxic fluids answer-incorrect B. Regulating the mutation rate of a cell answer-incorrect C. Replicating chromosomes within the nucleus answer-incorrect D. Formation of cytoskeletal fibers in the cytoplasm answer-correct E. Splicing of DNA answer-incorrect
Most somatic (non-sex) cells in humans contain ____ chromosomes, ____ from each parent. Answers A. 46, 92 answer-incorrect B. 46, 23 answer-correct C. 24, 12 answer-incorrect D. 23, 23 answer-incorrect E. 46, 46 answer-incorrect
The nucleus of a cell is analogous to which of the following organs in a human? Answers A. Stomach answer-incorrect B. Brain answer-correct C. Intestines answer-incorrect D. Liver answer-incorrect E. Lungs answer-incorrect
The chromosomes inherited from our parents are located in the ______of our cells. Answers A. Ribosomes answer-incorrect B. Golgi apparatus answer-incorrect C. Nuclei answer-correct D. Mitochondria answer-incorrect E. Cell membrane answer-incorrect
Mitochondria generate chemical byproducts that may contribute to ____. Answers A. Genetic changes often observed in cancer cells answer-correct B. Indoor pollution like an internal combustion engine answer-incorrect C. The production of enzymes that destroy other mitochondria answer-incorrect D. Poisonous agents that make cells shrivel answer-incorrect E. The formation of patches of normal cells within tumors answer-incorrect
Mitochondria ______. Answers A. Are surrounded by a double membrane answer-incorrect B. Have a uniform shape answer-incorrect C. Extract energy from the food we eat answer-incorrect D. a and b are correct answer-incorrect E. a and c are correct answer-correct
Mitchondria function to ________. Answers A. Produce energy for use in the cell answer-correct B. Synthesize enzymes required for replication of nuclear DNA answer-incorrect C. Digest old proteins in the cell answer-incorrect D. Provide structural support to cells answer-incorrect E. Contain the chromosomes of the cell answer-incorrect
The functions of the cytoskeleton include all but ______. Answers A. Cellular migration/movement answer-incorrect B. Cellular division answer-incorrect C. Cell:cell adhesion answer-incorrect D. Generation of ATP answer-correct E. Scaffolding for other organelles answer-incorrect
The function of a ribosome is to _____. Answers A. Convert RNA into DNA answer-incorrect B. Produce mRNA from DNA answer-incorrect C. Read mRNA to produce protein answer-correct D. Unwind DNA for replication answer-incorrect E. Help fold newly formed protein answer-incorrect
Which of the following is FALSE about ribosomes? Answers A. They bind to mRNA to synthesize a protein. answer-incorrect B. They involved in both transcription and translation. answer-correct C. They make proteins in normal and cancer cells answer-incorrect D. They read mRNA via "codons," three nucleotide-long units of mRNA. answer-incorrect E. They are made up of 2 subunits composed of RNA and protein. answer-incorrect
Ribosomes are mainly made of the two following components: Answers A. DNA and RNA answer-incorrect B. Protein and DNA answer-incorrect C. Protein and RNA answer-correct D. Cellulose and RNA answer-incorrect E. Cellulose and Actin answer-incorrect
Functioning ribosomes are located in the ______. Answers A. Cytosol answer-correct B. Nucleus answer-incorrect C. Mitochondria answer-incorrect D. Golgi apparatus answer-incorrect E. Lysosomes answer-incorrect
Which of the following best represents the correct hierarchy of biological organization from simplest to most complex? Answers A. Organelle, tissue, cell, organ, organism answer-incorrect B. Molecule, cell, tissue, organ, organism answer-correct C. Organism, cell, molecule, organ, tissue answer-incorrect D. Cell, tissue, molecule, organ, organelle answer-incorrect E. Molecule, cell, organelle, organ, organism answer-incorrect Page Reference Cells and Cell Structure
Organelles are ______. Answers A. Small organs, such as the gall bladder answer-incorrect B. Small structures inside each cell that help the cell to perform certain functions answer-correct C. Substances produced by organs, such as insulin in the pancreas answer-incorrect D. Small collections of cells that work together to perform the functions of organs answer-incorrect E. Sections of DNA that code for the development of organs in an embryo answer-incorrect Page Reference Cells and Cell Structure
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