Characteristics of Life
What is homeostasis?
This is the process by which organisms keep internal conditions stable.
What is stating the problem?
The first step of the scientific method.
What is a hydrogen bond?
The type of bond that forms between water molecules.
What are amino acids?
The building blocks of proteins.
What is an enzyme?
This type of molecule speeds up chemical reactions in the body.
What is a cell?
The smallest unit of life, present in all living organisms.
What is a hypothesis?
A testable prediction based on research.
What is a polar molecule?
Water is called this kind of molecule because it has slightly charged ends. + -
What are carbohydrates?
The macromolecule that provides quick energy.
What is the active site?
The place where a substrate binds on an enzyme.
What is asexual reproduction?
Reproduction that only requires one parent.
What is the dependent variable?
The part of the experiment that is measured.
What are cohesion and adhesion?
These two properties help water move through plant stems.
What is glycogen?
The polymer used for long-term energy storage in animals
What is the induced fit model?
The model that explains how enzymes slightly change shape to fit the substrate.
What is metabolism?
The characteristic of life that involves using materials and energy.
What is the control group?
The group in an experiment that is not exposed to the independent variable.
What is because ice is less dense than liquid water?
This is why ice floats on water.
What is a phospholipid?
This type of lipid is found in cell membranes.
What is DNA?
The molecule that carries the genetic code.
What is growth and development?
This characteristic of life allows organisms to change over time from birth to maturity.
What is analysis?
This step involves organizing and interpreting the data collected.
What is high specific heat?
Water’s ability to resist temperature change is called this.
What is it determines the protein’s function?
The shape of a protein is important for this reason.
What are a sugar, phosphate group, and nitrogen base?
The three parts of a nucleotide.