The variable that is changed on purpose in an experiment
What is the independent variable?
The plant cell organelle that uses light energy to produce sugar
What is a chloroplast?
The presence of this reduces the activation energy needed for a chemical reaction
What is a catalyst?
The percentage of energy that passes on to each next trophic level
What is 10%?
The group of animals that consume only other animals and no plants.
What are carnivores?
The smallest part of an element that still has the properties of that element
What is an atom?
The name of the cell's boundary from its environment that controls what goes in and out of the cell
What is a cell membrane?
A chemical reaction that absorbs more energy than it releases
What is exothermic?
The formua C6H12O6 refers to this compound.
What is sugar (glucose)?
The cells that can turn into a number of different kinds of cells as needed.
What is a stem cell?
The one macromolecule that humans need that we do not obtain from food
What are nucleic acids?
The type of cellular transport that requires a cell to use energy
What is active transport?
The main function of the ATP molecule
What is storing energy?
This is what happens to the 90% of the energy that is NOT passed on to the next organism as it is being eaten.
It is used for cell functions or lost as heat.
grass --> grasshopper --> robin --> bobcat
If the grass produces energy in the amount of 2000 Calories, how much energy will it pass on to the bobcat?
2 Calories
The lab tool used to measure liquids with precision
The organelle that is critical for cell division
What are centrioles?
Energy is released from an ATP molecule when it releases this
What is a phosphate group?
grass --> grasshopper --> robin --> bobcat
In this energy chain, the robin would be named a ___ in a trophic pyramid.
secondary consumer
What is CO2 (carbon dioxide)?
If available, the body will always digest this macromolecule for energy first
What are carbohydrates?
What is hypertonic?
The two functions of an enzyme
What are breaking and forming bonds?
The chemical process of obtaining energy energy from food
What is cellular respiration?
The number of homologous pairs of chromosomes humans have in their diploid somatic cells.
What is 23?