Biology Honors Fall Final 2020

a type of bond that occurs when two atoms share a pair of electrons with each other

proteins involved in the movement of ions, small molecules, or macromolecules

a variable whose variation does not depend on that of another

of or relating to the poles of a cell, organ, or part

Process of noticing and describing events or processes in a careful, orderly way

Organic compounds found in food, such as sugars

The center of an atom

Positive, negative, and none are types of what

the complete transfer of valence electron(s) between atoms

No charge

Long strands of fatty acids

The powerhouse of the cell

the basic unit of a chemical element

not "true fats" because they have one of the fatty acids replaced by a phosphate group

When comparing two soloutions, the solutions with the greater concentration of soloutes

Strong, supporting layer around the cell membrane in some cells

an optical instrument used for viewing very small objects.

a substance that takes part in and undergoes change during a reaction

a substance produced during a natural, chemical, or manufacturing process.

Possible explanation for a set of observations or possible awnser to a scientific question

An organism with no nucleus

Values below 7 on the Ph scale

a variable whose value depends on that of another

movement of biochemicals across cell membranes without need of energy input.

the sticking together of particles of the same substance

a region on an enzyme that binds to a protein or other substance during a reaction

The center of an atom

Negatively charged

Composed of long chains of one or more amino acids

Substances that cannot be broken down into simpler substances

the sticking together of particles of different substances

What type of cell is this

Cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell

Polio, chicken pox, cold, flu are all types of what

What is NOT a characteristic of life

What type of cell is this

a substance produced by a living organism that acts as a catalyst

What is this

Process of diffusion in which molecules pass across the membrane through cell membrane channels

When a concentration of two soloutions are the same

Above 7 on the Ph scale

a chemical bond that involves the sharing of electron pairs between atoms

the minimum quantity of energy that the reacting species must possess

the group in an experiment that receives the variable being tested

Diffusion of water through a selectively permeable membrane

A very large molecule

the group in an experiment or study that does not receive treatment by the researchers

the basis of the fluids of living organisms

She comparing two soloutions, the soloution with lesse concentration of solutes

a cell transports molecules into the cell by engulfing them in an energy-using process

A measure of acidity or basicnes of water soluble substances

the movement across a cell membrane into a region of higher concentration, requiring energy.

Posotively charged

a network of membranous tubules within the cytoplasm of a eukaryotic cell

An organism with a nucleus

proteins expressed on the surface of cells that often conveniently serve as markers

the study of living organisms

a region on an enzyme that binds to a protein or other substance during a reaction

measurement, and experiment, and the formulation, testing, and modification of hypotheses

Well-tested explanation that unifies a broad range of observations and hypotheses

Molecules that consist on long chains of nucleotides

organelle that captures energy from the sun and converts it into chemical energy

Thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell

Process by which particles tend to move from an are of high concentration to low concentration