Homeostasis Feedback loops
The process of maintaining internal body conditions and levels is called?
Homeostasis
All Cell Types have____?
Cell membrane, DNA
What is the function of enzymes?
breaking apart the substrate
DNA stands for?
deoxyribonucleic acid
What is a stem cell?
cell that can produce all the cell types of the body
Which type of feedback loop is most helpful for an organism to maintain homeostasis?
Negative feedback loop
A cell allows water to flow into it, this is called:
Hypotonic
Water and carbon dioxide are?
Products
What are the 4 DNA bases
A,T,G,C
The process by which stem cells develop into specialized cells is known as
cell differentiation
Does Positive Feedback Loops return levels to set point.
Diffusion is the movement of particles from an area of ____ concentration to ____ concentration
High to low
Breaking and reforming chemical bonds to create new substances is called...
A chemical reaction
What is the complementary strand to the DNA sequence AATTGCG
TTAACGC
All cells start their lives as identical cells called...
stem cells
True or false
The body's response to an injury (blood clotting) is an example of positive feedback.
True
Moving particles across the cell membrane from low to high against the concentration gradient is:
Active transport
The substrate attaches to an enzyme at the..?
Active site
A DNA nucleotide consists of?
a phosphate group, deoxyribose sugar,a nitrogenous base
Embryonic stem cells can differentiate into which types of cell?
all types of specialized cells in the body
What is a stimulus?
The trigger or cause of something
A Phospholipid consists of the following:
hydrophilic head, hydrophobic tail
can cause an enzyme to "denature"?
High temperatures and strong acids
The bonds that form between the sugar of one nucleotide and the phosphate of another are called?
covalent bonds
Specialized cells that work together to perform a function are known as...?
A tissue