The basic underlying principle (or assumption) in science, "All _____ events have _____ causes."
What is all natural events have natural causes?
The number of protons in the nucleus of an atom.
What is atomic number.
All molecules containing this element are identified as organic?
What is carbon?
_____: organism with cells that have nuclei and membrane-bound organelles
Eukaryote
_____: weak bond between slightly positively charged hydrogen atoms and slightly negatively charged atoms in other molecules
Hydrogen bond
This step of the scientific method is the result of curiosity while observing a natural event.
What is a question?
The number of electrons it takes to fill the second electron shell/orbital.
What is 8.
Organic molecules are divided into ___ categories. ___ builds polymers up while ___ breaks them down.
What is 4; dehydration synthesis; hydrolysis?
_____: the process of gradual change in a population or species over time
Evolution
_____: one or more forms of an element that have different numbers of neutrons
Isotope
The six characteristics of life.
What are: 1) processing materials/energy, 2) Homeostasis, 3) Respond to Stimuli, 4) Grow/Develop, 5) Reproduce, 6) Evolve.
The bond that exists between hydrogen and oxygen atoms in a water molecule.
What are polar covalent bonds?
Fructose, glucose, and galactose are types of ___ which is part of this major biomolecule class.
What are monosaccharides; carbohydrates?
_____: suggested explanation for an observation, which one can test
Hypothesis
_____: loss of shape in a protein as a result of changes in temperature, pH, or chemical exposure
Denaturation
When designing an experiment, this variable is also known as the response variable. In other words, it responds to your manipulations.
What is the dependent variable?
_____ bonds between water molecules produces _____ which allows insects to "walk" on water.
What are hydrogen bonds: surface tension?
___, rich in hydrogens and carbons, having mostly C-C single bonds, and are solid at room temperature.
What are saturated fatty acids?
_____: method of research with defined steps that include observation, formulation of a hypothesis, testing, and confirming or falsifying the hypothesis
Scientific method
_____: catalyst in a biochemical reaction that is usually a complex or conjugated protein
Enzyme
This type of graph is used to evaluate the relationship between groups.
What is a bar graph.
The balance of these two ions determines the pH of a solution.
What are OH- and H+ ions?
20 varieties of these create this class of biomolecule. Each monomer is covalently bonded forming a ___ bond.
What are amino acids; proteins; peptide.
_____: total number of protons and neutrons in an atom
Atomic Mass
_____: long-chain hydrocarbon that has one or more double bonds in the hydrocarbon chain
Unsaturated fatty acid