Biology Vocab (1-2)

What is the substance dissolved in the solvent?

Simplest particle of an element that retains all the properties of that element

A procedure to test the hypothesis.

The high degree of order within an organism's internal and external parts

The ability to do work.

The minimum amount of energy needed to start a reaction is called?

The formation of new cells from an existing cell.

If the number of hydronium ions is greater than the number of hydroxide ions, the solution is?

Tiny structure within a cell that carry out specific functions within the cell

substance in which solute IS dissolved

Chemical compounds that provide physical structure and bring about movement

Organisms that have certain favorable traits are better able to survive and reproduce.

Substances that cannot be chemically broken down into simpler substances

The amount of solute dissolved in a fixed amount of the solution is called concentration

Concentration of matter of an object

The sum total of all the chemical reactions in your body is your

a type of protein or RNA molecule that speeds up metabolic reactions in plants and animals without permanently changed

Organism that has multiple cells.

The maintenance of a stable level ofinternal conditions.

The measurement system of standard units used by scientists is

3-D region around the nucleus is called the

Groups of cells that have similar abilities

The act of perceiving a natural occurrence that causes someone to pose a question:

A substance made up of 2 or more different elements that are combined in a fixed proportion. 

formed because positive and negative electrical charges attract each other

Traits that improve an individual's ability to survive

In an oxidation reaction, a reactant loses one or more electrons and becomes positive

a bP scale is for comparing the relative concentrations of hydronium ions and hydroxide ions

the attractive force between two different substances that are in contact with each other

A mixture in which one or more substances are uniformly distributed in another substance

In a reduction reaction, a reactant gains one or more electrons and becomes negative

all of the chemical reactions that occur in a living organism

A ______________bond forms when atoms share one or more pair of electrons.

The control and experimental groups are designed to be identical.

the process by which one ore more substances change to produce one or more different substances

a microscope that shines light through a specimen and has two lenses to magnify an image

This is the smallest unit of life that can perform all of life's processes.

the attraction between molecules that results in the rise of a liquid in small tubes

Peer review is when scientists who are experts in the field anonymously read a research paper and critique it.

Chemical substances that neutralize small amounts of acids or bases in a solution.

Organisms have been classified into three major subdivisions called...

Protons transferred between atoms is redox reactions

a structure that carries out specialized jobs within an organ system

The study of organisms interacting among each other and their environment is .......

A grouping system that divides organisms into 6 major categories.

the force that holds molecules of a single material together

A saturated solution is when no more solute can dissolve

The process in which the inherited characteristics within populations changes over time.

A proposed explanation for the way a particular aspect of the world functions

Attractive forces that hold atoms together are called

An attractive force between a hydrogen molecule with a partial positive charge & another atom?

Provides a normal standard which biologist can compare against the experimental group

Central region of the atom

OH- is a hydronium ion

Communities of living species and their physical environments.

The variable that the experimenter manipulates is

Where are the protons and neutrons found?

Simplest part of a substance that retains all the properties of the substance. 

The _____ is an organized approach to learn how the natural world works.

A set of related hypothesis that have been tested and confirmed many times is called a/an ___.

A statement that forecasts what would happen in a test situation

unicellular:an organism made up of one cell

What piece on the microscope magnifies an image by 10x?

Atoms of the same element that have a different number of neutrons

Reduce the amount of activation energy that is needed for a reaction to take place.

Anything that occupies space and has has

The uneven distribution of charge on a molecule

An atom or molecule that carries an electrical charge

the study of life

Weight is the force produced by gravity acting on mass