Homeostasis
Define homeostasis.
The maintenance of a stable internal environment.
What are THREE key differences between animal and plant cells?
Shape (rectangle vs circle)
Plant cells have chloroplasts and cell walls and a larger vacuole
What does DNA stand for?
deoxyribonucleic acid
What is the function of the integumentary system?
Skin protection
In mRNA, the base T is replaced with a _____.
U (uracil)
What are the three components of a negative feedback loop?
Receptors, Control Center, Effectors
What organelle is the site of protein synthesis?
Ribosome
List the four nitrogenous bases that make up DNA. Who pairs with who?
Adenine (A) and Thymine (T)
Cytosine (C) and Guanine (G)
What is the function of the respiratory system?
Breathing (O2)
The microscope building blocks of life are _______.
Cells
When you exercise, what THREE systems work together to maintain stable oxygen and glucose levels?
Cardiovascular, Respiratory, Digestive
What organelle is the site of cellular respiration?
Mitochondria
What are the three components of a DNA nucleotide?
Sugar, Phosphate, Nitrogenous Base
What is the function of the immune system?
Protects against invaders like viruses and bacteria
Fill in the blanks in the levels of organization list.
_____________, cells, ____________, organs, organ systems, organism
Organelles
Tissues
Give THREE examples of things that need to stay constant in the body for it to be healthy and operational.
Oxygen, Blood Pressure, Blood Sugar
What is the function of the golgi apparatus?
Where are the covalent and hydrogen bonds that form the DNA double helix shape?
Covalent bonds between sugar and phosphates
Hydrogen between bases (A and T and C and G)
What is the function of the cardiovascular system?
mRNA strands are read three bases at a time. Each three base section is called a ___________.
codon
Give an example of how your body might respond to too high or too low of blood pressure using a negative feedback loop to return to homeostasis.
Receptors = Arteries
Control Center = Brain
Effector = Heart (will pump faster or slower to try to adjust pressure)
What is the function of the cellular membrane?
Controls what goes in and out of the cell
Define transcription and translation.
Transcription = DNA to mRNA
Translation = mRNA to Protein
What is the function of the endocrine system?
Hormones; Communication and Response
Define water health inequities and give a specific example.
Lots of examples
Could include: Flint, Michigan or Navajo Nation