🧬 Cell Processes & Data
A cell membrane lets some materials pass but not others. This is called
What is selective permeability?
A graph shows rabbits increasing, followed by foxes increasing. This shows this relationship
What is predator-prey?
If a trait is dominant, it will appear when
What is at least one dominant allele is present?
All substances are made of these basic building blocks that combine in different ways
What are atoms?
Structures in cells that contain many genes
What are chromosomes?
A graph shows particles moving from high to low concentration. This process is
What is diffusion?
Energy decreases as you move up an energy pyramid because
What is energy is lost as heat?
A Punnett square shows 2 dominant and 2 recessive outcomes. The probability of dominant phenotype is
What is 50%?
A student mixes two substances and observes bubbling and temperature change. This is evidence of
What is a chemical reaction?
Genes provide instructions for making these molecules that determine traits
What are proteins?
A cell placed in saltwater shrinks. This happened because water moved
What is out of the cell?
A population levels off over time. This indicates
What is carrying capacity?
Two heterozygous parents (Aa × Aa). Probability of aa is
What is 25%?
A graph shows particles moving faster as temperature increases. This means particle motion
What is increases?
A change in the DNA sequence of a gene is called this
What is a mutation?
A graph shows cell growth, then division, then growth again. This cycle is
What is the cell cycle?
Removing a top predator will most likely cause prey populations to
What is increase?
Genotype refers to this
What is genetic makeup?
In a sealed container, the mass of reactants equals the mass of products. This supports this law
What is the Law of Conservation of Mass?
A mutation changes the shape of a protein. Explain how this can affect an organism’s trait
What is it can change how the protein functions, which can alter the trait?
A student observes that a cell uses energy to move particles against a gradient. This process is
What is active transport?
A graph shows a sudden drop in all populations after pollution enters an ecosystem. The best explanation is
What is disruption of the food web / ecosystem imbalance?
A trait skips a generation. This most likely means the trait is
What is recessive?
A student records the mass of substances before and after a reaction in a closed system. The mass stays the same, but new substances form. Explain why the mass does not change.
What is atoms are rearranged but not created or destroyed?
A mutation helps a plant survive drought conditions. Classify the mutation and justify your answer
What is beneficial because it improves survival?