Describe the atomic structure
Protons (+)
Neutrons (neutral)
Electrons (-)
What two atomic particles have the same mass?
Protons and Neutrons
1 AMU = atomic mass unit
Define: element
Atoms of 1 type that cannot be further broken down, thus maintaining its properties
4 macromolecules
Carbohydrates
Lipids
Proteins
Nucleic Acids
Monomers of…
Carbohydrates
Lipids
Proteins
Nucleic Acids
Carbohydrates: monosaccharide
Lipids: fatty acid and glycerol
Proteins: amino acids
Nucleic Acids: nucleotide
Polymers of…
Carbohydrates
Lipids
Proteins
Nucleic Acids
Carbohydrates: polysaccharide
Lipids: triglycerides, phospholipids
Proteins: polypeptide
Nucleic Acids: polynucleotide
Examples of…
Carbohydrates
Lipids
Proteins
Nucleic Acids
Carbohydrates: starch, glycogen
Lipids: steroids, triglycerides, phospholipids
Proteins: actin/myosin, insulin, antibodies, collagen, hemoglobin
Nucleic Acids: DNA, RNA
Function of…
Carbohydrates
Lipids
Proteins
Nucleic Acids
Carbohydrates: provide cellular fuel
Lipids: basic structural material, cell f(x), communicate, transport
Proteins: provides structure to cell membrane
Nucleic Acids: stores and transmits genetic info
Describe the principle of complementary
Activities of cells are dictated by shape and by types and relative number of subcellular structures they contain
The difference between interphase and mitosis…
Interphase = the period of growth and DNA replication
Mitosis = the actual process of nuclear and cell division
Membranes: Cutaneous
Dry: skin
Epidermis: kertanizied stratified squamous epithelium
Dermis: Loose CTP, areolar and Dense CTP, irregular
Membranes: Serous
Wet: lines body cavities that are closed to the outside
Mesothelium: simple squamous epithelium
Connective: loose CTP
Double layered!
Membranes: Mucous
Wet: lines body cavities that open to the outside
Epithelium
Lamina propria: Loose CTP
Muscularis Mucosae: Smooth muscle
What is the smallest unit of matter?
Atom
True or False: A molecule is formed when two or more atoms bond together.
True
What are the three subatomic particles found in an atom?
Protons, neutrons, and electrons
Which subatomic particle has a positive charge?
Proton
Multiple Choice: Which of the following is NOT an organic macromolecule?
A: Carbohydrates
B: Proteins
C: Water
D: Nucleic Acids
C: Water
What type of bond is primarily responsible for the properties of water?
Hydrogen bond
True or False: All organic molecules contain carbon.
True
What is the primary function of nucleic acids in living organisms?
Storage and transmission of genetic information
Fill in the blank: The basic building blocks of proteins are called __________.
amino acids
What is the term for the front of the body?
Anterior
What is the term for the back of the body?
Posterior