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Definitions
Types of Transport
Feedback Loops
Osmosis
Examples
100
The substance dissolved in a solvent is:
What is a solute?
100
A movement of molecules from high to low concentrations
What is diffusion?
100

A feedback mechanism which aims to return a system to "normal".

What is a negative feedback?

100

A red blood cell placed in a hypotonic solution will become: (starts with an L)

Lysed?

100
Insulin taking up excess sugar in the the blood stream is what type of feedback?
What is negative feedback?
200
The substance which dissolves solutes is:
What is a solvent?
200
A type of movement of molecules in the cell going against the concentration gradient; from low to high
What is active transport?
200

A type of feedback that increases disturbance to a system.

What is a positive feedback.

200

A plant cell placed in a hypertonic solution will:

What is wilt/shrink?

200
An increase in clotting factors to create a scab after a cut is what type of feedback.
What is positive feedback?
300
A type of cell with no defined organelles, such as a nucleus and mitochondria
What is a prokaryotic cell?
300
The type of energy found in the cell.
What is ATP?
300

In a negative feedback cycle the observed disturbance and return to equilibrium in negative feedback are both described as __________.

What is change?

300
A injection with the same concentration as your blood will cause what effect on your blood cells?
What is no effect?
300
Slowing down in a vehicle to get back to the speed limit is what type of feedback.
What is negative feedback?
400
The part of the membrane that likes water
What is hydrophillic and polar head?
400
The goal of transporting materials back and forth across the cell.
What is homeostasis?
400

In a negative feedback cycle the _________ is the structure that processes information received from the receptor and controls the bodies response

What is the Control Center?

400
Why water moves from areas of high concentration to low concentrations
What is to create an equilibrium of concentrations inside and outside of a cell?
400

Another name for the fluctuations around a set point of homeostasis is:

What is dynamic equilibrium?

500
The part of the membrane which serves as a gate for large molcules?
What is the protein channel?
500
A membrane that allows some things in, but not others is a:
What is a selectively permeable membrane?
500

the environmental factor that disrupts homeostasis is referred to as a ________ in a negative feedback loop

What is stimulus (cause)?

500
The gradient of dissolved materials in a solution
What is concentration gradient?
500
The movement of water across a membrane from high to low concentration is active or passive transport?
What is passive transport?