Duplicate of Biology Exam

The white hair of a polar bear is an example of what?

An organism that is heterozygous for a trait

Associates with protein to form ribosome

Complex inheritance pattern where the heterozygous individual is an interemediate

Bond where electrons are shared

If a strand of DNA molecule contained the base sequence CTAGC the complimentary strand would contain the base sequence

Any living thing

When an iron nail rusts, what is one product?

Organisms that make their own food

The factor that results from or depends on changes to the independent variable

Takes DNA code to ribosome

The spontaneous decrease in usable energy or increase in disorder is the

Movement of particles from high to low concentration

Molecule made of repeating units

One organism pursuing and consuming another

The science of life

Which is a biological activity a person can do at the beach?

Which defines a hypothesis?

Inherited characteristics of a species, develops over time for survival of a species

Center of an atom contains protons and nuetrons.

The genetic material of life

Biological community plus all nonliving factors

Tree that loses leaves seasonally

If oxygen is insufficient, human muscle cells will build up

In humans and other multicellular organisms what substance plays a central role as an energy source?

Which is considered a non-scientific question?

Always bonds with guanine

Characteristic controlled on genes from the X chromosome, such as color blindness

Relationship where both benefit

In which biome of Africa would you find lions, giraffes, and elephants?

Which statement is a fundamental principle of the cell theory

The study of life

Protein that moves substances in or out of the cell

Specialized internal cell structure, ex. mitochondria

Reaction to stimuli

Which of the following would you expect to be in a climax community in the state of Kentucky

Information gained from observation

Mistake, or change in copying genetic code

RNA and DNA is?

In an experiment, the group that is standard for comparison

The diffusion of water

Dense, evergreen forests, south of tundra, cold and dry winters

Movement of particles from low to high concentration, uses energy

Measurement system that uses units in powers of ten

Substances that lowers the activation energy of a reaction

Which helps maintain a dog's homeostasis?

The most important variable in determining a biome are

Thin layer around the earth that supports life

If a DNA strand has an organic base sequence TTACGA the corresponding base sequence of a mRNA molecule would be

What type of biological molecule is an enzyme?

Uses electrons to analyze image

Substance in which another substance is dissolved

The ability to do work

Process of mRNA copying DNA code

Tree that has cones

Negatively charged subatomic particle, in "clouds"

A testable explanation of a situation

Uses light and lenses to magnify image

All the chemical reactions in a cell

More complex cells, have organelles

Everything to the left of the yield arrow

An organism's allele pairs

Less complex cells, do not contain membrane bound organelles

The types and numbers of species in a given area is most greatly determined by

Which is an example of a stimulus and the accompanying response of an organism?

What type of solution is in equilibrium

Which is an example of a chemical reaction?

Explanation of phenomenon supported by much evidence

Research or data based on numbers

Has fertile soil, thick cover of grasses

Obvious, physical characteristics of an organism

Always bonds with thymine

Which of the following would be a biotic factor in an ecosystem?

Individual that is heterozygous for a genetic disorder

Study of the relationships between organisms and their environment

An organism's genetic information is found in what type of macromolecule?

Diffusion with a carrier molecule

What place would you most likely find pioneer species?

Current model of cell membrane structure

Bond where electrons are transfered

How does an enzyme influence a biological reaction?

Study of the flow and change of energy in the universe

Which of the following is true about the methods scientists use to conduct their work?

Molecule with oppositely charged regions

Which would be an activity conducted by biologist?

What is right or wrong

Most of the fresh water on the earth is located

The total numbers of atoms in a molecule of sucrose, C12H22O11, Is

Which natural disaster requires the least amount of recovery time?

Relationship where one species benefits and the other is harmed

Which of the following effects on the climate would you infer would result from an increase in altitude

A trait that will appear if one of the parents contributes it

Little precipitation; hot days, cold nights

Thin, flexible cell membrane

A trait that will remain hidden if the dominant is present

Testing a hypothesis by carefully collecting data

Physical combination of two or more substances

Building blocks of protein

Moving large particles out of the cell

Alternative form that a gene may have for a particular trait

Double phospholipid layer of plasma membrane

Source of nearly all energy for life

Complex inheritance pattern where both alleles are expressed

Nonliving factors in the environment

Four distinct seasons, broad-leaved trees

which should a scientist conclude about data that is inconsistent, scientific understanding of animal reproduction?

Biologists would repeat the same investigation several times to

Which of these species might be classified as a pioneer species

One isotope of carbon differs from another in which way?

Property of cell membrane that controls movement of substance into and out of the cell

What type of solution causes a cell to swell

Homogeneous mixture of solute in solvent

What is the shape of DNA in eukaryotic cells?

Neutral subatomic particle

Atoms of the same element, different number of neutrons

Which is an advantage of wildlife corridors

Which statement is true about bacterial cells

Organic compound including sugars and starches

Where would you most likely find CAM plants

"twisted ladder" shape of DNA

Substance that releases hydroxide ions, pH greater that 7

The energy molecule, ATP

The condition being changed by the scientist

Very cold biome, has permafrost

Which of the following represents the formula for a chemical compound?

The eastern portion of the United States is dominated by what biome?

Covalently bonded particles

Describes relationship under narrow conditions in nature

Moving large particles into the cell

Analysis of work by one's peers

A fruit fly that has a short life span and produces many offspring is classified as

What type of cell transport required no energy

A factor that remains fixed in an experiment

Organisms that metabolize inorganic substances

Area where an organism lives

The substance that is dissolved in a solvent

Permanently frozen ground

When paper burns in a fire, what is one reactant?

Relationship where one species benefits

What element do almost all biological molecules contain?

What is the maximum number of electrons that can occupy the first energy level?

Biodiversity is greatest in which biome?

In which location would you expect to find the greatest species diversity

Chemical bonding of two or more types of elements

Which two biomes are most similar with regard to rainfall?

Maintaining a stable internal environment

Role an organism has in its environment

Basic unit of matter

Fats and oils

What is the shape in DNA in prokaryotic cells?

Close relationship between species

A change in an organism's environment causing a reaction

Process in plants, makes sugar and oxygen

Living factors in the environment

Process of tRNA carrying amino acids to ribosomes

Yearlong hot, wet biome, much biodiversity

Organic compound made of amino acids, primary building blocks of an organism

States that cells come from cells

Research or data not based on numbers

Substance that releases hydrogen ions, pH less than 7

A testable explanation of a situation is called a?

Organisms obtaining energy by metabolism of sugar

The science of heredity

Brings amino acids to ribosomes for protein synthesis

Organisms that are consumers

Large group of similar ecosystems

Everything to the right of the yield arrow

Knowledge based on the study of the natural world

Positively charged subatomic unit, in the nucleus

The cellular respiration, the first step is

Change of atoms being reorganized into new substances

The building up processes of metabolism are

Very large molecule