Duplicate of Biology 111: Lecture Exam #1

______is anything that has mass and occupies space(has volume).

An organism's _____ is the sum of all the chemical reactions going on in its body

A(n) ______ is a large molecule made by adding together many smaller, similar sub units.

A(n)_____ is the amount of a substance you must have in order to equal its atomic mass in grams.

The_____ is the fundamental functional and structural unit of all living organisms.

A(n)______ is an organism whose cells contain nuclei and other membrane-bound organelles.

_________is the process of maintaining more or less constant internal conditions

Proteins are polymers of sub units known as______.

Most large molecules in the body are assembled via the process of _________.

A(n) ______ bond is a weak bond that forms between polar molecules.

______ is the capacity to move matter-that is, to do work.

A(n)____ is any organism whose cells DO NOT contain nuclei or other membrane-bound organelles.

A(n)_______ is a tentative, untested explanation for an observed phenomenon.

A(n)______ covalent bond is one in which the atoms of the molecules DO NOT share their electrons equally.

A(n)_______ is any substance that contains one and only one kind of atom.

______ is the study of life.

_______ logic is reasoning from numerous specific examples to form a general conclusion.

The____ of an element is the number of protons in the nucleus of the atom.

A(n)_____ reaction is any chemical reaction that releases energy as it progresses.

In living organisms, large molecules are usually broken down via ______.

Nitrogen is atomic number 7; a nitrogen atom can form up to ____ chemical bonds.

The______ of a radioisotope is the time it takes for half the atoms to decay into atoms of a different element

Organic molecules are always built around a "backbone" of ______ atoms.

All known living organisms use the molecule _____ for energy transfer.

______ is evolution as a result of natural selection.

A(n) _____ consists of two or more atoms chemically bound together.

____ is the tendency of water molecules to stick to each other.

______ are atoms with the same number of protons but different numbers of neutrons (and, therefore, different masses).

Nucleic acids are polymers of sub units known as ________.

_____ logic is reasoning from general principles to form conclusions about specific examples

According to Darwin's theory, _____ is the main driving process of biological evolution.

A(n)______ is an atom that has gained one or more electrons, and so is negatively-charged.

All living organisms use the molecule______ to encode hereditary information.

A(n)______ is the preserved remains of a once-living organism.

The_____ of a substance is a measure of how strongly it attracts electrons.