16 Questions
What are the four macromolecules and how do they compare in terms of energy content?
The four macromolecules are carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates and proteins provide 4 calories per gram, while lipids provide 9 calories per gram.
How is food energy converted into chemical energy (ATP)?
Food energy is converted into chemical energy (ATP) through the process of cellular respiration, specifically in the mitochondria of cells.
What is the difference between saturated, unsaturated, and trans fats?
Saturated fats have no double bonds between carbon atoms, unsaturated fats have one or more double bonds, and trans fats are unsaturated fats with trans-isomer fatty acids.
How does the body neutralize pH? What macromolecule would this impact most?
The body neutralizes pH through the action of buffers, which can donate or accept protons to maintain a stable pH. This would impact proteins the most.
What are the two types of vitamins and how are they absorbed and removed from the body?
The two types of vitamins are water-soluble and fat-soluble. Water-soluble vitamins are absorbed directly into the bloodstream, while fat-soluble vitamins require fat for absorption and are stored in the body's fatty tissues.
What is the difference between a food allergy and a food intolerance?
A food allergy involves the immune system's response to a specific food, while a food intolerance does not involve the immune system. Type I diabetes is an autoimmune disease, while type II diabetes is not.
What are the four vital signs?
The four vital signs are: body temperature, pulse rate, respiratory rate, and blood pressure.
What vital sign changes would you expect to see in an athlete?
In an athlete, you might expect to see lower resting heart rate and lower blood pressure.
What vital sign changes would you expect to see in a newborn baby?
In a newborn baby, you might expect to see higher heart rate and faster respiratory rate.
What is an electrocardiogram used for? What can the graph show?
An electrocardiogram (ECG) is used to measure the electrical activity of the heart. The graph can show the heart's rhythm and electrical conduction.
Explain how organs can stay alive for transplantation.
Organs can stay alive for transplantation through cold storage or machine perfusion, which help preserve the organ's viability outside the body.
What kinds of disorders can be diagnosed on a complete blood count (CBC)?
A complete blood count can diagnose disorders such as anemia, infection, and leukemia.
What is the central dogma of molecular biology?
The central dogma of molecular biology refers to the flow of genetic information from DNA to RNA to protein.
What is the goal of DNA barcoding?
The goal of DNA barcoding is to identify and classify species based on short DNA sequences.
What are GloFish? How are they created?
GloFish are genetically modified fluorescent fish. They are created by inserting fluorescent genes from jellyfish and other organisms into zebrafish embryos.
What is the overall goal of public health? What are some current public health concerns?
The overall goal of public health is to prevent disease, promote health, and prolong life. Some current public health concerns include infectious diseases, mental health, and environmental health issues.
Test your knowledge on macromolecules, energy conversion, fats, pH neutralization, vitamins, allergies, and diabetes types in the context of biology.
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