This term describes a cell with no nucleus.
prokaryotic (prokaryote)
This scale tells you how acidic or basic a substance is
pH scale
The force that drives evolution (change in species over time)
Natural Selection
Which term describes organisms that must consume other organisms for nutrients and energy?
HETEROTROPH
The maintenance of a stable internal environment through feedback mechanisms is known as...
homeostasis
This organelle is where proteins are synthesized.
Ribosome
What are the four most common elements in living things?
Carbon, Hydrogen, Oxygen, Nitrogen
An inheritable, physical characteristic seen in an organisms phenotype
TRAIT
On average, how much energy moves up each trophic level (step in food web or pyramid)?
About 10%
DIGESTIVE
Organs: stomach, esophagus, small/large intestine, liver
The process by which cells become specialized for a specific function
cell differentiation
Proteins that act as biological catalysts (speed up reactions) are known as:
enzymes
The two processes involved in Protein Synthesis
Transcription and Translation
What are three types of symbiotic relationships we learned about?
Mutualism, Commensalism, Parasitism
The circulatory system consists of three types of blood vessels. What are they?
veins, arteries, capillaries
A disorder in which cells cannot stop dividing, leading to tumors
The three parts of a nucleotide, the monomer of all nucleic acids
Sugar
Phosphate
Nitrogenous Base
A type of technology that allows molecules to be sorted by size using electric currents
Gel electrophoresis
A set of predictable changes in new environments, beginning with pioneer species, is called...
ecological succession
Which body system is responsible for gas exchange with the atmosphere? Provide an example of one organ or structure in this system.
respiratory system
Organs/structures: lungs, trachea, bronchi, alveoli
The form of cell division that results in sperm or egg cells containing only half the chromosomes of the parent
In the Diffusion Through a Membrane state lab, which molecule was not able to diffuse out of the "cell?"
STARCH stayed inside the cell
What are the base pairing rules in DNA and RNA?
DNA: A+T, C+G
RNA: A+U, C+G
The maximum number of individuals of a given species that an environment can support is known as:
carrying capacity
Which organ system is responsible for defense against pathogens using antibodies and specialized cells in the blood?
immune system