Quiz 1 Flashcards
What is considered alive
Extract energy, reproduction, one or more cells
Virus
Few genes surrounded by a coat of protein
Hypothesis
An idea about how things work
Prediction
Result that should be observed, if the hypothesis is correct
Evolution
Ecological process changes the genetic makeup of a population
Adaptation
Members of a population become better able to deal with the environment
Natural selection
Process with no forethought
DNA
Contains all of the information necessary to produce an organism
What is a gene
Basic unit of heredity
A sequence of base pairs on a dna molecule
Provides the info necessary to produce a specific protein
Genome
All the dna in a cell
Protein
Forms an organism
Regulate chemical reaction
mRNA
Contains info in the gene
Mutation
Permanent change in a cells DNA
Often an error in DNA replication
May lead to altered proteins
Haploid organisms
1 copy of each chromosome
Diploid
2 copies of each chromosome