Chapter 1 Vocabulary
The smallest unit of life that can function independently
What is Cell
A pure substance consisting of atoms containing a characteristic number of protons
What is an Element
A kitten uses its mother's milk to fuel its own growth
What is Energy Use
A substance with a pH of 8 to 14
What are Alkaline/Base
A weak chemical bond between opposite partial charges on two molecules or within one large molecule. Commonly found in water
What is a Hydrogen Bond
A single living individual
What is an organism
A particle of matter, comprised of protons, neutrons, and electrons
What is an atom
An acorn germinates, and becomes a seedling, then it becomes a mature tree and produces its own acorns.
What is Reproduction, growth, and development
Bacteria are an example. Does not have a nucleus
What are Prokaryotes
Attraction between oppositely charged ions
What is an Ionic Bond
a broad agreement that can also predict future phenomenon
What is a scientific theory
A molecule including different elements
What is a Compound
Our bodies sweating after a 5k run.
What is Homeostasis
A cell that contains a nucleus and organelles. Plant and animals are examples
What are Eukaryotes
two atoms share pairs of electrons
What is a covalent bond
a testable, tentative explanation based on prior knowledge
What is a hypothesis
The number of protons in an atom's nucleus
What is Atomic Number
Atoms make up molecules, which make up cells, which make up tissues, and so on.
What is Organization
this resists pH changes
What is a buffer
A bond in which atoms share electrons equally
What is Nonpolar Covalent Bond
A bio-molecule made of fatty acids, that one function is it makes up the cell membrane
What is a Lipid
A particle in an atom's nucleus that is electrically positive
What is a proton
Increasing number of bacteria survive treatment with antibiotic drugs
What is Evolution
The pH of your stomach (1) is about ____ acidic than your blood (7.4)
What is 1 million
A bond in which electrons are attracted more to one atom's nucleus than to the other
What is a Polar Covalent Bonds