Phase when the cell's DNA is replicated exactly?
S phase
What are the main causes of biodiversity loss/Human Impact?
Agriculture, over-harvesting, pollutiont?
What are autotrophs?
Organisms that make their own food
What is all DNA made of?
Protein and Amino acids
Where DNA is located in the cell
nucleus
The stage of mitosis when chromosomes "meet" in the middle?
Metaphase
What is a mutation?
A change in DNA that increases the variety of offspring in a species
What is a food chain?
A sequence of who eats who to gain energy
A gene codes for one
protein
What are the nitrogenous bases of DNA?
Adenine, thymine, guanine, cytosine
The site of protein synthesis
ribosome
What makes an ecosystem more resilient?
High biodiversity
carbon moves through the biosphere, geosphere, hydrosphere, and atmosphere
What is the carbon cycle?
What is the correct order for protein synthesis?
DNA to mRNA to rRNA to tRNA to a protein
What is the final product of meiosis?
4 haploid cells
What is extinction?
When an entire species dies out
What cannot make its own energy in the food web?
heterotroph
What is the conversion of messages from mRNA to the amino acid sequence?
Translation
What is the purpose of genetic engineering?
To produce changes with desirable results
How does meiosis cause genetic variation?
Crossing over
What is needed to break down dead organic material and bring nutrients back into the food web?
decomposers
What is biodiversity?
The variety of life on the planet
What is made during transcription?
mRNA
What are the three letters that code for amino acids?
codon