A.   No, it does not possess any of the requirements for life.

B.   Yes, it possesses all of the requirements for life.

C.   No, it does not possess all of the requirements for life.

D.   Yes, it possesses enough of the requirements for life to be considered living.

A.   A molecule

B.   A cell

C.   An atom

D.   An organism

A.   biosphere

B.   envirosphere

C.   troposphere

D.   ionosphere

A.   Biosphere → Community → Population → Tissue → Organ → Cell → Atom → Molecule

B.   Community → Ecosystem → Population → Tissue → Organ → Cell → Organelle → Atom

C.   Ecosystem → Community → Population → Organ → Tissue → Cell → Molecule → Atom

D.   Ecosystem → Population → Community → Organ system → Organ → Cell → Molecule → Atom

A.   A community consists of nonliving components, while an ecosystem consists of living organisms

B.   A community and an ecosystem are the same thing in eology

C.   A community consists of both living organisms and their nonliving environment, while an ecosystem consists of nonliving components only

D.   A community consists of living organisms only, while an ecosystem consists of both living organisms and their nonliving environment

A.   The relationship between structure and function

B.   The flow of information from DNA to proteins

C.   The transformation of energy and matter

D.   The theory of evolution by natural selection

A.   Making a prediction

B.   Developing a hypothesis

C.   Carrying out an experiment

D.   Making an observation

A.   A hypothesis that has been supported by a large number of experiments

B.   A guess

C.   A hypothesis that has been supported by the evidence of one experiment

D.   A proposed explanation for an observed phenomenon

A.   repeatable

B.   testable

C.   falsifiable

D.   All of the above are important characteristics of hypotheses.

A.   The placebo

B.   The controlled experiment

C.   The hypothesis

D.   The dependent variable

A.   The fake effect

B.   The control group

C.   The blind effect

D.   The placebo effect

A.   We are shown only one tee-shirt becoming whiter in each detergent, not 20 tee-shirts in each detergent.

B.   We do not know if everything besides the detergents was the same (machine used, type of stains, etc.).

C.   We do not know whether the same amount of each detergent was used for washing.

D.   All of the above are aspects that are misleading.

A.   An element

B.   A molecule

C.   A compound

D.   An ion

A.   destroyed

B.   rearranged

C.   destroyed and created

D.   created

A.   An element that is required in miniscule amounts for life

B.   An element that is used to identify the location of other elements

C.   An element that is very common in nature

D.   An element that is evenly distributed on the planet

A.   Sugar

B.   Carbon

C.   Water

D.   Oxygen

A.   Oxygen

B.   Calcium

C.   Carbon

D.   Nitrogen

A.   isotope

B.   chemical properties

C.   ion state

D.   chemical element

A.   ionic

B.   nonpolar

C.   hydrogen

D.   covalent

A.   basic

B.   acidic

C.   neutral

D.   alkaline

A.   The pH scale runs from 0 (most acidic) to 14 (most basic), with 7 as a neutral.

B.   The pH scale runs from 0 (most acidic) to 14 (neutral), with 7 as an average acidity level.

C.   The pH scale runs from 0 (most basic) to 14 (most acidic), with 7 as a neutral.

D.   The pH scale runs from 0 (neutral) to 14 (most acidic), with 7 as an average acidity level.

A.   nitrogen

B.   carbon

C.   hydrogen

D.   oxygen

A.   Carbohydrates, proteins, nucleic acids, and sugars

B.   Carbohydrates, proteins, lipids, and nucleic acids

C.   Carbohydrates, lipids, proteins, and sugars

D.   Carbohydrates, lipids, proteins, and enzymes

A.   Proteins

B.   Carbohydrates

C.   Lipids

D.   Nucleic acids

A.   Glucose

B.   Fatty acids

C.   Amino acids

D.   Nucleic acids

A.   Catabolism

B.   Metabolism

C.   Embolism

D.   Anabolism

A.   Glucose

B.   Cellulose

C.   Lactose

D.   Sucrose (table sugar)

A.   Starch

B.   Cellulose

C.   Chitin

D.   Glycogen

A.   A glycerol head and three fatty acid tails

B.   A chain of fatty acid tails

C.   A linear chain of fatty acids

D.   A branched chain of fatty acids

A.   Cholesterol

B.   All dietary fats are unhealthy

C.   Saturated fat

D.   Trans unsaturated fat

A.   a long chain of amino acids

B.   a long chain of fatty acids

C.   a long chain of glucose

D.   a long chain of nucleic acids

A.   Bacteria

B.   Fungus

C.   Protist

D.   Animal

A.   Plasma membrane

B.   Mitochondria

C.   Ribosome

D.   Chloroplasts

A.   Ribosomes

B.   Mitochondria

C.   Lysosome

D.   Nucleus

A.   often multicellular, sometimes unicellular

B.   always multicellular

C.   always unicellular

D.   often made of prokaryotic cells

A.   It has a nucleus.

B.   It is moving.

C.   It has DNA.

D.   It has ribosomes.

A.   Golgi apparatus

B.   Ribosome

C.   Lysosome

D.   Chloroplast

A.   Converting food energy into cellular energy

B.   Storing water

C.   Assembling lipids

D.   Converting light energy into food molecules

A.   Chloroplast

B.   Vacuole

C.   Cell wall

D.   Mitochondria

A.   The chloroplast

B.   The plasma membrane

C.   The nucleus

D.   The cell wall

A.   Animal cells only

B.   Animal cells, plant cells, and bacterial cells

C.   Bacterial cells only

D.   Animal cells and plant cells only

A.   osmosis

B.   hydrosmosis

C.   simple diffusion

D.   facilitated diffusion

A.   The transport of large molecules into the cell.

B.   The digestion of larger molecules that were brought into the cell.

C.   The transport of large molecules out of the cell.

D.   The entire plasma membrane turns itself inside out.

A.   DNA and RNA

B.   DNA

C.   Neither DNA nor RNA

D.   RNA

A.   DNA holds the instructions for the cells on how to make proteins.

B.   DNA is not linked to the production of proteins.

C.   Proteins hold the instructions on how to make DNA.

D.   DNA is the end point of protein production that allows cells to finish making proteins.