Chapter 1
Biology is the study of?
Life
True or false. To run an experiment, you must use scientific thinking.
True
True or false. There are 5 major principals of the cell theory.
False.
True or false. The Nucleus is the brain of the cell that stores DNA
True.
Are Vacuoles like Storage Compartments for the cell?
Yes
What is homeostasis?
maintenance of constant internal conditions in a organism.
What is a hypothesis?
A proposed answer for a scientific question.
Cells are the most basic unit of?
Life.
True or false the Mitochondria is The Powerhouse of the cell
true
What happens to the cell if the solution is hypertonic?
The cell will swell or expand
Evolution is?
The change in living things over time
What is data?
Anything that is recording or analyzed. 2 types of data qualitative and quantitative.
What are prokaryotic cells
cells that do not have a nucleus or other bound organelles .
What happens when a cell is isotonic?
The cell has the same concentration as the solution.
What happens to the cell if the solution is hypotonic?
The cell will shrink
What is adaptation?
An inherited trait that gives an advantage to individual organisms and is passed on to future generations.
Ribosomes are attached to which organelles
Endoplasmic reticulum
What are eukaryotic cells?
Cells that have a nucleus
What does it mean when a cell is hypertonic?
The solution has a higher concentration than the cell.
What is hypotonic?
when the solution has a lower concentration than the cell.
All living things are made up of?
Cells.
What is cytoplasm?
Cytoplasm gelatinous liquid that fills the inside of a cell.
What is diffusion?
The movement of molecules in a fluid or gas from a region of higher concentration to lower concentration
What is osmosis?
Osmosis is the diffusion of water across a cell membrane.
When a solution is isotonic what happens to the cell?
The size stays constant