Mitosis
The longest phase of the cell cycle
What is interphase
How many different kinds of organisms live in an area
What is biodiversity
Chromosomes are found here in the cell
What is the nucleus
A change in the genetic makeup of a population over time
What is evolution
The ability of a cell to turn a gene on or off
What is gene expression
In this phase chromosomes are lined up on the equatorial plate
What is metaphase
________ occupy the greatest biomass in the ecosystem.
What are Producers
This is made of a bilayer of phospholipids
What is the plasma membrane
A spontaneous change in a DNA sequence
What is a mutation
The promoter, repressor, operator, and genes all make up this
what is an operon
In this phase sister chromosomes are broken apart and pulled toward opposite poles
What is anaphase
________ use thermal energy generated by metabolism to maintain their body temperature.
What are endotherms
_________ states that all living things are composed of one or more cells, the cell is the basic unit of life, and new cells arise from old cells.
What is the cell theory
A species ability to survive and reproduce in order to pass their genes on to the next generation
What is evolutionary fitness
Proteins that help regulate what genes get transcribed
What are transcription factors
The endocrine system is a ______ feedback mechanism that maintains homeostasis.
What is negative
Multiple species coexisting by occupying slightly different niches
What is resource partitioning
These size cells are more efficient due to their volume to surface area ratio
What are smaller cells
evolution, genetic drift, non-random mating, mutation, gene flow, and natural selection are the _______.
What are the five fingers of evolution
the two types of post-transcriptional gene expression
what is the removal of introns and splicing together of extrons
Mitosis produces 2 _______ cells.
What is haploid
What is a keystone species
This organelle is responsible for making adenosine triphosphate which is short-term storage of energy for the cell
What is the mitochondria
The process in which one species splits into two or more species
What is speciation
The lac operon is a _______ operon.
What is inducible