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100
The phase where DNA replication occurs
Synthesis (s phase)
100
a movement of ions and other atomic or molecular substances across cell membranes without need of energy input
passive transport
100
____________is the splitting of the cytoplasm in cell division.
cytokinesis
100
During which stage in meiosis does crossing over occur?
prophase 1
100
Prokaryotic cells do not have this that encloses their DNA.
Nucleus
200
The concept that organisms who are the best suited to their environment will be the most successful
natural selection
200
What simple molecules are the basic units of proteins?
amino acids
200
What is the monomer for carbohydrates?
Monosaccharides
200
What are the products of cellular respiration?
water and carbon dioxide
200
The legs of crocodiles and mice have similar bone structures and develop in a similar way. What type of structures are the leg bones?
homologous structures
300
what is in all cells?
DNA
300
The first phase of mitosis is called?
prophase
300
During which phase of both meiosis do the chromosomes line up at the middle?
Metaphase
300
A biomolecule that serves as a fast source of energy?
carbohydrates
300
Any inherited trait that increases an organism's chance of survival is known as this.
An adaptation
400
Organs of some animals that are no longer used by the organism.
What are vestigial structures
400
This process produces four genetically unique cells, each with half the number of chromosomes as in the parent
meiosis
400
The six different kingdoms of classification
Archaea, Eubacteria, Animalia, Plantae, Protista, and Fungi
400
What are the products of photosynthesis?
Oxygen and glucose
400
The two organelles contained in a plant cell but not an animal cell
Cell wall and chloroplast
500
Made of mostly phospholipid molecules embedded with proteins, this flexible boundary regulates what goes in or out of the cell
cell membrane
500
The formula for photosyntheis
CO2 + H2O —> C6H12O6 + O2
500
Define gene flow.
Genes of one population are brought to another population.
500
Find the Amino Acids
TAC - AGT - CTC - CCC - GAA - ACC
DNA: TAC - AGT - CTC - CCC - GAA - ACT
RNA: AUG - UCA - GAG - GGG - CUU - UGA
Amino Acids: MET - Glu - Gly - Leu - Stop
500
Sickle cell anemia is a recessive disease. If you cross two parents with the alleles Aa x Aa, what are the chances their children will have sickle cell anemia?
25%