What are the four classes of macromolecules?
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Carbohydrates, lipids, proteins, and nucleic acids.
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What are the four classes of macromolecules?
Carbohydrates, lipids, proteins, and nucleic acids.
What is the level of organization that consists of groups of tissues working together?
Organ level.
How does the body maintain internal conditions?
Within a narrow range of values despite changing internal and external environments.
What does development refer to in living organisms?
The changes an organism undergoes through time, such as differentiation.
What is physiology?
The study of the function of the human body.
What are the two main types of nucleic acids?
DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
What is the primary function of RNA?
To help in the synthesis of proteins.
What are the components of a nucleotide?
A sugar, a phosphate group, and a nitrogenous base.
What are proteins made of?
Amino acids linked by peptide bonds.
What type of linkage is found in starch?
1-4 linkage of α glucose monomers.
What is anatomy?
The study of the structure of the human body.
How are the parts of the human body organized?
They have coordinated functions maintained by a complex system of checks and balances.
What are lipids?
Lipids are a group of hydrophobic organic molecules that include fats, oils, and steroids.
What is the function of nucleic acids?
To store and transmit genetic information.
What are the components of lactose?
Glucose and galactose.
What does the term 'set point' refer to in homeostasis?
Parameters change slightly around the set point.
How does homeostasis respond to changes in the environment?
By maintaining a relatively constant internal environment.
What does Anatomy and Physiology provide a basis for?
Understanding health and disease.
What type of structure does DNA have?
A double helix structure.
What are the two main categories of proteins?
Fibrous proteins and globular proteins.
What is homeostasis?
The maintenance of a relatively constant environment within the body despite fluctuations in the external or internal environment.
What is the primary function of carbohydrates?
To provide energy and structural support.
What are the building blocks of DNA?
Nucleotides.
What are triglycerides composed of?
Triglycerides are composed of glycerol and three fatty acids.
How many standard amino acids are there?
Twenty.
What type of linkage is found in cellulose?
1-4 linkage of β glucose monomers.
What does physiology deal with?
The processes and functions of living things.
What is the monomer of lipids?
Fatty acids and glycerol.
What is the monomer of nucleic acids?
Nucleotides.
What are the building blocks of nucleic acids?
Nucleotides.
What are the components of sucrose?
Glucose and fructose.
What are some methods of anatomical imaging?
X-ray, ultrasound, and magnetic resonance imaging (MRI).
What level of organization is formed by multiple organs working together?
Organ system level.
What are nucleic acids?
Biological macromolecules that store and transmit genetic information.
What are macromolecules?
Large molecules essential for life, including proteins, carbohydrates, lipids, and nucleic acids.
What determines a protein's function?
Its specific sequence of amino acids and its three-dimensional structure.
What is glycogen composed of?
A polymer of α-glucose with α-1,4 and α-1,6 glycosidic links.
What is one goal of studying physiology?
To understand and predict the body’s responses to stimuli.
What are the two subdivisions of physiology mentioned?
Cellular physiology and systemic physiology.
What role do lipids play in biological systems?
They serve as energy storage, structural components of cell membranes, and signaling molecules.
What role do phospholipids play in cells?
Phospholipids form the bilayer of cell membranes, providing structure and protection.
What is systemic anatomy?
The study of the body by systems, such as cardiovascular, nervous, and muscular systems.
What does organization refer to in the characteristics of life?
Individual parts interact and work together.
What is the highest level of organization in the human body?
Organism level.
What are the four major classes of biological macromolecules?
Carbohydrates, lipids, proteins, and nucleic acids.
How do the bases in DNA pair up?
Adenine pairs with Thymine, and Cytosine pairs with Guanine.
What role do enzymes play in biological systems?
They act as catalysts to speed up chemical reactions.
What does responsiveness mean in living organisms?
The ability to sense changes in the environment.
What is the simplest level of organization in the human body?
Cellular level.
What is the monomer of carbohydrates?
Monosaccharides.
What is the monomer of proteins?
Amino acids.
What is the primary function of DNA?
To store and transmit genetic information.
What are the four bases found in DNA?
Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
What are steroids and their function?
Steroids are a type of lipid that act as hormones and play roles in metabolism and immune function.
What is regional anatomy?
The study of the body by regions, examining all systems within a specific region simultaneously.
What is growth in the context of the characteristics of life?
The increase in size of the organism.
What level of organization comes after cells in the human body?
Tissue level.
Which parameters are commonly regulated in homeostasis?
Temperature, pH, and energy balance/body weight.
How does the human body respond to environmental changes?
By reacting to stimuli.
What is the primary function of lipids in the body?
Lipids serve as a source of energy, insulation, and make up cell membranes.
What is the role of DNA in protein synthesis?
DNA provides the instructions for assembling proteins.
What is denaturation in proteins?
The process where proteins lose their structure and function due to external stressors.
What is reproduction in biological terms?
The formation of new cells or new organisms.
What is the primary function of proteins?
To serve as building blocks for tissues and play roles in biochemical reactions.
What are the components of maltose?
Glucose and glucose.
What is metabolism in the context of life?
The ability to use energy to perform vital functions such as growth, movement, and reproduction.
What is the primary function of DNA?
To store genetic information.
What are the main types of lipids?
The main types of lipids include triglycerides, phospholipids, and steroids.
What does the term 'anatomy' mean?
To dissect, or cut apart and separate, the parts of the body for study.
What are proteins made of?
Amino acids.
What is the significance of the sequence of bases in DNA?
The sequence determines the genetic code and the traits of an organism.
What is surface anatomy?
The study of external features, such as bony projections.