Physiology and Physics of Biology Quiz

Which of the following is a function of cells in the human body?

• Cells make tissues, tissues make molecules

• Cells make organs, organs make organisms

• Cells make atoms, atoms make tissues

• Cells make molecules, molecules make organs

Which statement is true about cell functions?

• Cells can only perform functions related to design

• Cells can perform functions not directly related to design

• Cells can only perform energy-related functions

• Cells can only perform transport functions

Why is it significant that intracellular water component concentrations do not equal extracellular concentrations?

• It prevents cellular communication

• It allows for cellular differentiation

• It maintains cellular homeostasis

• It causes cellular dehydration

What is the primary function of red blood cells (RBCs) ?

• Nutrient absorption

• Oxygen transport

• Water filtration

• Hormone regulation

Which organ is responsible for filtering the blood?

• Liver

• Kidneys

• Gastrointestinal Tract

• Respiratory System

What is the effect of compensations on the body's functions?

• They aim to improve function.

• They may lead to major deviations

• They have no effect

• They always worsen functions

How does a negative feedback mechanism respond to a deviation from a set point?

• By amplifying the deviation

• By reversing the deviation

• By ignoring the deviation

• By stabilizing the deviation

Which component of a control system compares the actual value of the variable to a pre-determined setpoint value?

• Sensor

• Effector

• Integrator

• Variable

What is the role of mitochondria in cells?

• Cell division

• Protein synthesis

• Energy production

• DNA replication

Which of the following is a characteristic of prokaryotic cells?

• Presence of mitochondria

• Absence of a cell wall

• Presence of RER

• Absence of a nucleus