Chapter 1&2 Biology

All of the following are examples of lipids except

DNA and RNA are two types of

A beneficial inherited trait that is passed on to future generation is a(n)

Biology is the study of

Liquid fats called oils contain

Molecules like Molecule B are found in 

A hypothesis is a

A scientist noticed the number of salamanders in the Rocky Mountains declining. This is called

Both animal fats and plant oils are made up of glycerol and

Polysaccharides are

In an experiment, the condition that is manipulated by a scientist is the

The basic unit of life is

Fats, oils, and cholesterol are all types of

All the chemical process used to build up or break down materials are called an organism's

The attraction among molecules of different substances is called

Nonpolar molecules have

What is the name of the negatively charged particles shown in the model of an atom

On Earth, biodiversity generally increase from the

A substance that is composed of only one type of atom is called a(n)

What phrase best describes an ecosystem?

All organic compounds contain the element

An ion is formed when an atom gains or loses

DNA stores

Water and sunlight received in acidic and basic soiled plants are controlled by factors called

Ionic bonds form between molecules that have

The term biosphere refers to the parts of Earth that contain

Similar organisms that can reproduce by interbreeding belong to the same

A molecule that has a partial positive charge on one side and partial negative on the other is 

The variety of life across the biosphere is called

Which is the correct description of evolution?

Atoms in molecules share pairs of electrons when they make

What category of carbo-based molecules includes sugars and starches?

The structure of a human skin cell is different human muscle cell. Those cells have different

Which phrase best describes atoms?

Proteins are composed of which molecules?

What gives water many properties that are important to living things?

The maintenance of constant internal conditions in an organism is known as

During an experiment, which factors are observed and measured?