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Cell Mutations
Abnormal behaviors or death (Cancer)
What are Abnormal Changes in cell?
-Disease
-Injury
-Exercise
-Stress
-Radiation Damage
What are the tasks of the cell?
-React
-Repair
-Regulate
-Reproduce
-Grow
-Protect
-Move
Needs of the Cell
-Oxygen
-Food
-Water
Lack of Oxygen =
Leads to necrosis
Protoplasm
A colorless, jelly-like substance found inside cells in which food elements such as proteins, fats, carbohydrates, mineral salts, and water are present.
Protoplasm is the same thing as
Cytoplasm
What contains organic and inorganic compounds?
Protoplasm
Water Percentage in Cell
80-85%
Protein Percentage in Cell
15%
Lipid Percentage in Cell
2%
Carbohydrate Percentage in Cell
1%
Nucleic Acids Percentage in Cell
1%
What does water do for the cell?
-Solvent
-Transports substances
-Dispertion for metabolic activities
-Absorb and Give out heat
-Cushions Organs
-Maintains Body Core Temp
-Lubricates Digestive and Sekeletal Systems
What Inorganic Substances?
Water
Salt
Potassium
Minerals
Anything that does not have Carbon
What causes muscle cramps?
Loss of salts
What helps proper cell performance?
Salt
Potassium functions as a
Electrolyte
Loss of Potassium Causes
Diarrhea/Vomitting
Hypokalemia (leg cramps, tiredness, abdnormal heart rhythm)
Orgain Compounds Contain
Most basic constitute of all organic matter
Carbon
Proteins
Building Blocks of the body
Amino Acids Link - Form a Protein
Essential for growth and repai
Proteins
Monomer
Basic Unit
Polymer
Joined Monomers
Macromolecule
a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer. (alot of polymers)
Anytime a cell encounters damage it will get ____________
Repaired
Types of Protein
-Albumin (Egg Whites)
-Enzymes
-Insulin
-Gelatin
-Hemoglobin
Enzymes
catalysts that speed up chemical reactions for repair
Structural Proteins
-Shape
-Form
-Hear
-Energy
Enzymatic Proteins
Catalysts (Affect rate and speed of repair reactions)
Can mend broken molecules
Enzymes =
Proteins
Repair Enzymes can:
Mend damaged molecules from rad damage
What is vital to cell survival?
Repair Enzymes
Repair enzymes are more likely to fix ___________ and less likely to fix ________________
X-rays
Radiation Therapy Dose
Fractionation
Delivery Method for Radiation Therapy
Protein Hormones are
Testosterone (Endocrine Glands)
Estrogen (Endocrine Glands)
Insulin (Pancreas)
Antibodies are made where?
Bone Marrow
B Lymphocyte
WBC
Protection for the Body
T lymphocytes
WBC
Detect the presence of foreign substances (Cancer Cells)
Who do not have WBC?
Neutropenic Patients
Antigen
Foreign Substance (COVID)
What is the Primary Source of Energy in the cell?
Carbohydrates
Feeds the cell
Carbohydrates are what?
starches and sugars
What part of the body are carbohydrates most abundant in?
Liver and Muscle
Functions of Lipids
-Stores Energy
-Protection against temp
-Aids in digestion
-Supports organs
-Lubricates joints
Nucleic Acids are
DNA and RNA
DNA has
Phosphates, Deoxyribose and Base
Purines
Adenine = A
Guanine = G
Pyrimides
Cytosine = C
Thymine = T
Rails of DNA
Deoxyribose sugars and phosphoric acids
Rungs of DNA
Nitrogenous Base
What is the brain of the cell?
nucleus
How many bases are there?
4 A&T C&G
If DNA sequencing is off, there will be
Mutations
What is in the middle of DNA that holds it together?
Hydrogen Bonds
What is the genetic code?
DNA
DNA is responsible for what?
Directing cellular activity and for transmitting genetic info
What is the primary target of radiation induced death?
DNA
Target Theory
Radiation hits DNA and kills the cell
RNA
A single-stranded nucleic acid that passes along genetic messages
What is RNA made out of?
Ribose Sugar, Nitrogen base pairs, and phosphate
What is DNA made out of?
Deoxyribose Sugar, Nitrogen Base Pairs, Phosphoric Acids
What is the messenger between DNA and Ribosomes?
RNA
RNA is a ______strand while DNA is a __________ strand
Single, Double
RNA replaces thymine with
Uracil
Uracil (RNA) pairs with _______
Adenine
RNA also acts as a _____
Enzyme
What is half of DNA?
RNA
What can leave the cell nucleus?
mRNA
What directs the process of making amino acids?
Messenger RNA
Resembles on half of a DNA molecule
Messenger RNA
RNA acts as a messenger between ___ and ___
DNA and ribosomes
Insulin is what type of protein?
hormonal
Albumin is what type of protein?
Storage
Gelatin is what type of protein?
Structural
Hemoglobin is what type of protein?
Transport
Enzymes is what type of proteins?
Catalysts, increase the rate of reactions/repairs
ATP
(adenosine triphosphate) main energy source that cells use for most of their work