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100
The concept that organisms who are the best suited to their environment will be the most successful
What is natural selection
100
These simple molecules form the basis of all proteins
What are amino acids?
100
These organisms have the most available energy in a food pyramid.
What are producers?
100
The products of cellular respiration.
What are water, carbon dioxide, and ATP?
100
The legs of crocodiles and cats have similar bone structures and develop in a similar way, which indicates a common ancestor.
What are homologous structures?
200
The grouping of cells that contain DNA, cytoplasm, ribosomes, and a cell membrane, but no other membrane-bound organelles.
What is a prokaryote? (or prokaryotic cell)
200
The minimum quantity of energy that is required to activate atoms or molecules to a condition in which they undergo a specified reaction.
What is activation energy?
200
A student observes a cell where the chromosomes appear to be pulled apart by spindle fibers. The two final steps that come after this are...
What are telophase and cytokinesis?
200
A biomolecule that serves as a quick source of energy.
What are carbohydrates (sugars)?
200
Any inherited trait that increases an organism's chance of survival is known as this.
What is an adaptation?
300
This RNA is transcribed from a section of DNA and later leaves the nucleus in order to be translated into an amino acid chain.
What is mRNA?
300
The movement of ions and molecules across cell membranes without the need for energy input.
What is passive transport?
300
Water molecules have attractive forces to one another and are held together by these types of weaker bonds.
What are hydrogen bonds?
300
The stage in meiosis when crossing-over occurs to create genetically different chromosomes.
What is prophase 1?
300
If the producers contain 10,000 kcal, then how much energy will the secondary consumers contain?
What is 100 Kcal?
400
Organs/parts many animals still have but are no longer used.
What are vestigial structures?
400
This process produces four genetically unique cells, each with half the number of chromosomes as in the parent
What is meiosis?
400
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
What is a keystone species?
400
The stage of the cell cycle when the chromosomes are duplicated.
What is the synthesis phase (S-phase) of Interphase?
400
Three organelles found in a plant cell but not an animal cell.
What are the cell wall, large central vacuole, and chloroplast?
500
The process by which water moves through the cell membrane to balance out a high concentration of solutes.
What is osmosis?
500
The chemical formula for photosynthesis.
What is CO2 + H2O —> C6H12O6 + O2
500
When both alleles are present in a genotype, they will create a new phenotype of blended traits.
What is incomplete dominance?
500
Translate (DNA): TAC - AGT - CTC
DNA: TAC - AGT - CTC
RNA: AUG - UCA - GAG
Amino Acids: MET - Ser - Glu
500
Sickle cell anemia is a recessive disease. If you cross two parents with the alleles Aa x Aa, then their children's chances of having sickle cell anemia are this.
What is 25% affected children?