Duplicate of Biology Exam

Individual that is heterozygous for a genetic disorder

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

Always bonds with thymine

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

Role an organism has in its environment

How does an enzyme influence a biological reaction?

If oxygen is insufficient, human muscle cells will build up

Thin, flexible cell membrane

Research or data not based on numbers

"twisted ladder" shape of DNA

The study of life

Yearlong hot, wet biome, much biodiversity

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

What type of solution causes a cell to swell

Knowledge based on the study of the natural world

Organisms that metabolize inorganic substances

What type of solution is in equilibrium

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

Living factors in the environment

Moving large particles into the cell

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

Close relationship between species

Thin layer around the earth that supports life

What element do almost all biological molecules contain?

Bond where electrons are transfered

Which defines a hypothesis?

The diffusion of water

The genetic material of life

Permanently frozen ground

Which is an advantage of wildlife corridors

What place would you most likely find pioneer species?

What type of cell transport required no energy

Fats and oils

Study of the relationships between organisms and their environment

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

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

Complex inheritance pattern where both alleles are expressed

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

Four distinct seasons, broad-leaved trees

Which is an example of a chemical reaction?

Brings amino acids to ribosomes for protein synthesis

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

Research or data based on numbers

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

Movement of particles from high to low concentration

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

More complex cells, have organelles

A factor that remains fixed in an experiment

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

Building blocks of protein

Takes DNA code to ribosome

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

Relationship where both benefit

Bond where electrons are shared

Which would be an activity conducted by biologist?

One organism pursuing and consuming another

The substance that is dissolved in a solvent

Center of an atom contains protons and nuetrons.

Double phospholipid layer of plasma membrane

Moving large particles out of the cell

RNA and DNA is?

The building up processes of metabolism are

Substance that releases hydroxide ions, pH greater that 7

A testable explanation of a situation is called a?

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

Any living thing

Which helps maintain a dog's homeostasis?

Physical combination of two or more substances

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

Substance in which another substance is dissolved

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

Reaction to stimuli

Molecule made of repeating units

Specialized internal cell structure, ex. mitochondria

Homogeneous mixture of solute in solvent

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

Little precipitation; hot days, cold nights

Large group of similar ecosystems

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

Substances that lowers the activation energy of a reaction

Which two biomes are most similar with regard to rainfall?

Mistake, or change in copying genetic code

Information gained from observation

Chemical bonding of two or more types of elements

Testing a hypothesis by carefully collecting data

Protein that moves substances in or out of the cell

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

Uses light and lenses to magnify image

Has fertile soil, thick cover of grasses

States that cells come from cells

Organisms that make their own food

Covalently bonded particles

Process of mRNA copying DNA code

Obvious, physical characteristics of an organism

All the chemical reactions in a cell

When an iron nail rusts, what is one product?

A trait that will remain hidden if the dominant is present

Maintaining a stable internal environment

Very cold biome, has permafrost

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

Positively charged subatomic unit, in the nucleus

Relationship where one species benefits and the other is harmed

The energy molecule, ATP

Organisms that are consumers

Neutral subatomic particle

Tree that loses leaves seasonally

The science of heredity

An organism's allele pairs

Which is considered a non-scientific question?

Movement of particles from low to high concentration, uses energy

What is the shape in DNA in prokaryotic cells?

Complex inheritance pattern where the heterozygous individual is an interemediate

Study of the flow and change of energy in the universe

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

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

Area where an organism lives

The cellular respiration, the first step is

Atoms of the same element, different number of neutrons

Everything to the right of the yield arrow

A change in an organism's environment causing a reaction

Biodiversity is greatest in which biome?

Source of nearly all energy for life

Describes relationship under narrow conditions in nature

Nonliving factors in the environment

Current model of cell membrane structure

Change of atoms being reorganized into new substances

Negatively charged subatomic particle, in "clouds"

Which statement is a fundamental principle of the cell theory

Which natural disaster requires the least amount of recovery time?

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

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

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

An organism that is heterozygous for a trait

Less complex cells, do not contain membrane bound organelles

Process in plants, makes sugar and oxygen

What is the shape of DNA in eukaryotic cells?

Substance that releases hydrogen ions, pH less than 7

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

Where would you most likely find CAM plants

One isotope of carbon differs from another in which way?

Diffusion with a carrier molecule

Measurement system that uses units in powers of ten

In an experiment, the group that is standard for comparison

Organic compound including sugars and starches

Biologists would repeat the same investigation several times to

Tree that has cones

What type of biological molecule is an enzyme?

Always bonds with guanine

Organisms obtaining energy by metabolism of sugar

What is right or wrong

The science of life

The most important variable in determining a biome are

The condition being changed by the scientist

Which of these species might be classified as a pioneer species

Biological community plus all nonliving factors

Basic unit of matter

Most of the fresh water on the earth is located

Process of tRNA carrying amino acids to ribosomes

Alternative form that a gene may have for a particular trait

Explanation of phenomenon supported by much evidence

Uses electrons to analyze image

Everything to the left of the yield arrow

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

The ability to do work

Associates with protein to form ribosome

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

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

Relationship where one species benefits

Analysis of work by one's peers

Which statement is true about bacterial cells

A testable explanation of a situation

Molecule with oppositely charged regions

Very large molecule