17 Questions
Which scientist(s) were the first to isolate human cells and cultivate them in a culture medium in 1951?
George Otto Grey
What is a defining characteristic of a prokaryotic cell?
Absence of a nucleus
Which cellular function involves the synthesis of molecules?
Synthesis of molecules
What type of organisms are multicellular eukaryotes composed of?
Cells with nucleus
What type of cells are somatic cells?
Body cells not involved in reproduction
What differentiates unicellular eukaryotes from multicellular eukaryotes?
Presence or absence of a nucleus
What is the basic structural and functional unit of life according to the information provided?
Cell
According to the modern cell theory, where do all cells come from?
Pre-existing cells
Which branch of Science is specifically dedicated to the study of cell structure and its function?
Cytology
Where does the hereditary information reside within a cell?
Nucleus
In which organelle do most of the metabolism and biochemistry processes occur within a cell?
Mitochondria
Which of the following statements about somatic cells is correct?
They are diploid cells containing two sets of chromosomes.
What is the primary function of the plasma membrane?
To regulate the movement of substances into and out of the cell.
Which of the following statements about gametes (germ cells) is correct?
They are haploid cells containing one set of chromosomes.
Which of the following organic molecules makes up the largest proportion of the plasma membrane?
Lipids and proteins
What is the role of cholesterol in the plasma membrane?
It contributes to the stability of the plasma membrane.
What is the glycocalyx?
A collection of glycoproteins, glycolipids, and carbohydrates located outside the plasma membrane.
This quiz covers the history of cell culture, the functions and characteristics of cells such as metabolism, synthesis of molecules, communication, reproduction, and inheritance. It also discusses the two types of cells - prokaryotic and eukaryotic, as well as the classification of organisms as prokaryotes or eukaryotes.
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