Podcast
Questions and Answers
What is the advantage to cells of being very small?
What is the advantage to cells of being very small?
- Increased surface area for efficient exchange of materials (correct)
- Decreased surface area for less exposure to harmful substances
- Enhanced ability to store nutrients
- High resistance to external forces
What prefix refers to fluid compartments within the body?
What prefix refers to fluid compartments within the body?
- Hyper-
- Intra- (correct)
- Extra-
- Inter-
What is the main function of epithelial tissue?
What is the main function of epithelial tissue?
- Contract in response to stimuli
- Cover body surfaces and line cavities (correct)
- Support and bind different tissues together
- Conduct nerve impulses
What is a defining feature of the cell membrane structure?
What is a defining feature of the cell membrane structure?
What process is defined by movement of substances through a concentration gradient without energy input?
What process is defined by movement of substances through a concentration gradient without energy input?
Which protein types are primarily focused on for their role in transport within the cell membrane?
Which protein types are primarily focused on for their role in transport within the cell membrane?
What is the purpose of having a control experiment in a scientific investigation?
What is the purpose of having a control experiment in a scientific investigation?
Which variable is deliberately changed and manipulated by the experimenter?
Which variable is deliberately changed and manipulated by the experimenter?
What is a common reason why experiments may lack validity?
What is a common reason why experiments may lack validity?
How can reliability in an investigation be improved?
How can reliability in an investigation be improved?
In scientific investigations, what does an ethical issue typically refer to?
In scientific investigations, what does an ethical issue typically refer to?
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