Enzymes
True or False: An enzyme is a special type of protein that can do any job in the cell
False: specific jobs only
Cycle where the output of a system “feeds back” to either modify or reinforce the action taken by the system
What are Feedback Mechanisms?
A specific type of disease
What is Infection?
Specifically for cell growth and repair
What is Mitosis?
The powerhouse cell
What is Mitochondria?
Speeds things up
What is a Catalyst?
True or False: A change that leads to a greater change and a greater response is Negative Feedback
False
Virus, bacteria, fungi, and parasites are known as...
What is Pathogens?
True or False: Mitosis is involved in sexual reproduction
False
The control center
What is nucleus?
Is this an enzyme: Lactose?
No, enzymes end in "ase" -> Lactase
Example: Contractions push the baby down and against the uterus
What is Positive Feedback?
Genetic mutations in a cell can result in uncontrolled cell division
What is Cancer?
The fetus receives it's nutrients from here
What is the Placenta?
Does not have a cell wall
What is Animal Cell?
The two type of models for enzyme activities are....
Lock and Key & Induced fit
_____ feedback works once the second system responds, the first system stops signaling for the change
Negative
Proteins that either attack the invaders or mark them for killing
Creates identical cells
What is Mitosis?
Liquid within the organelle
What is Cytoplasm?
When an enzyme binds to its substrate?
What is an enzyme-substrate complex?
Example: High blood sugar, pancreas releases insulin, blood sugar goes back down
Negative Feedback
___are specialized to surround and engulf (eat) invading pathogens
White blood cells
Results from the fusion of two haploid gametes; a fertilized ovum
What is Diploid Cell?
Makes protein from amino acids
What is Ribosomes?