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BIO 111 Test Questions and Answers | 2026 Update | 100% Correct

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BIO 111 Test Questions and Answers | 2026 Update | 100% Correct

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BIO 111 Test Questions and Answers | 2026 Update
| 100% Correct.
Scientific hypothesis

A proposed explanation that must be testable and capable of being rejected.

Evidence

Reproducible and quantifiable observations used to support or refute scientific ideas.

Theory

A scientific explanation that can be proven wrong by evidence, but never absolutely proven

correct

Element

A pure substance made of only one kind of atom

Trace elements

elements required in small amounts for proper body function Ex: Calcium, Sodium, Chlorine

Atom

The smallest unit of matter

Matter

Anything that has mass and takes up space

Mass

The quantity of matter in an object.

, Nucleus (of atom)

The center of an atom that contains the protons and neutrons

Proton

positively charged particle

Neutrons

neutral charge, in nucleus

Electron

negatively charged particle

Atomic number

the number of protons in an atom (electrons do not affect this).

Isotope

Two atoms of the same element with different numbers of neutrons

Macromolecule

A large organic molecule ranging from about 1,000 Daltons to about 2,000,000 Daltons; makes

up a large fraction of cell mass

Cell

Basic unit of life

Cell Theory - States that:

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