A systematic study of the natural world that allows us to understand it better.
What is science?
A measure of how much matter exists in an object.
What is mass?
The theory that natural selection and DNA changes can, over time, take an organism and transform it into a more specialized version of that organism.
What is microevolution?
Cells that contain no nucleus.
What are prokaryotic cells?
It receives chemicals, labels them, and packages them to go elsewhere.
What is a Golgi apparatus?
A hypothesis that has been tested with a significant amount of data.
What is a theory?
A force that acts on an object moving in a circle, directed toward the center of a circle.
What is centripetal force?
In any non-nuclear process, the total mass of everything involved must remain the same.
What is the Law of Mass Conservation?
The smallest functioning unit of life.
What is a cell?
Organisms that produce their own food for energy.
What are producers?
An educated guess that attempts to explain an observation or answer a question.
What is a hypothesis?
The relationship determined by dividing the first quantity by the second quantity.
What is a ratio?
NaHSO4 has this many atoms.
Carbohydrates, proteins, and fats.
What are macronutrients?
The acidic liquid found in the stomach.
What is gastric juice?
Substances that are composed of positive and negative ions.
What is an ionic compound?
Observations, hypothesis, testing of the hypothesis, and theory.
What is the scientific method?
A chemical bond made by sharing electrons.
What is a covalent bond?
A fat that is liquid at room temperature has double bond between some of its carbon atoms.
What are unsaturated fats?
They make new bone matrix and put it where it should be?
What is an osteoblast?
What is a microbiome?
8 valence electrons
What is the number of valence electrons to make it stable?
You use C, H, O, and S to create a molecule. It must be covalent and include a carbon atom.
What is an organic molecule?
Organisms that are made of prokaryotic cells.
What is bacteria?
Nerve signals in a neuron generally travel into the cell body via the _____ and leave the cell body via the ____.