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

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

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

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

A.   A molecule

B.   A cell

C.   An organism

D.   An atom

A.   ionosphere

B.   biosphere

C.   troposphere

D.   envirosphere

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

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

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

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

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

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

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

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

A.   The theory of evolution by natural selection

B.   The flow of information from DNA to proteins

C.   The transformation of energy and matter

D.   The relationship between structure and function

A.   Carrying out an experiment

B.   Developing a hypothesis

C.   Making an observation

D.   Making a prediction

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

B.   A guess

C.   A proposed explanation for an observed phenomenon

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

A.   falsifiable

B.   testable

C.   repeatable

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

A.   The dependent variable

B.   The hypothesis

C.   The controlled experiment

D.   The placebo

A.   The control group

B.   The blind effect

C.   The placebo effect

D.   The fake 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 compound

C.   An ion

D.   A molecule

A.   created

B.   destroyed

C.   rearranged

D.   destroyed and created

A.   An element that is very common in nature

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

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

D.   An element that is evenly distributed on the planet

A.   Sugar

B.   Water

C.   Carbon

D.   Oxygen

A.   Carbon

B.   Calcium

C.   Oxygen

D.   Nitrogen

A.   ion state

B.   isotope

C.   chemical element

D.   chemical properties

A.   hydrogen

B.   covalent

C.   nonpolar

D.   ionic

A.   neutral

B.   acidic

C.   alkaline

D.   basic

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

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

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

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

A.   hydrogen

B.   oxygen

C.   carbon

D.   nitrogen

A.   Carbohydrates, proteins, nucleic acids, and sugars

B.   Carbohydrates, proteins, lipids, and nucleic acids

C.   Carbohydrates, lipids, proteins, and enzymes

D.   Carbohydrates, lipids, proteins, and sugars

A.   Lipids

B.   Nucleic acids

C.   Proteins

D.   Carbohydrates

A.   Nucleic acids

B.   Amino acids

C.   Fatty acids

D.   Glucose

A.   Catabolism

B.   Embolism

C.   Anabolism

D.   Metabolism

A.   Sucrose (table sugar)

B.   Cellulose

C.   Glucose

D.   Lactose

A.   Glycogen

B.   Starch

C.   Cellulose

D.   Chitin

A.   A linear chain of fatty acids

B.   A glycerol head and three fatty acid tails

C.   A chain of fatty acid tails

D.   A branched chain of fatty acids

A.   Saturated fat

B.   Cholesterol

C.   Trans unsaturated fat

D.   All dietary fats are unhealthy

A.   a long chain of amino acids

B.   a long chain of glucose

C.   a long chain of fatty acids

D.   a long chain of nucleic acids

A.   Fungus

B.   Bacteria

C.   Protist

D.   Animal

A.   Chloroplasts

B.   Plasma membrane

C.   Mitochondria

D.   Ribosome

A.   Mitochondria

B.   Nucleus

C.   Ribosomes

D.   Lysosome

A.   often made of prokaryotic cells

B.   often multicellular, sometimes unicellular

C.   always multicellular

D.   always unicellular

A.   It is moving.

B.   It has DNA.

C.   It has a nucleus.

D.   It has ribosomes.

A.   Golgi apparatus

B.   Chloroplast

C.   Ribosome

D.   Lysosome

A.   Assembling lipids

B.   Storing water

C.   Converting food energy into cellular energy

D.   Converting light energy into food molecules

A.   Mitochondria

B.   Vacuole

C.   Cell wall

D.   Chloroplast

A.   The chloroplast

B.   The cell wall

C.   The plasma membrane

D.   The nucleus

A.   Animal cells, plant cells, and bacterial cells

B.   Bacterial cells only

C.   Animal cells only

D.   Animal cells and plant cells only

A.   facilitated diffusion

B.   osmosis

C.   simple diffusion

D.   hydrosmosis

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

B.   The entire plasma membrane turns itself inside out.

C.   The transport of large molecules into the cell.

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

A.   DNA

B.   Neither DNA nor RNA

C.   DNA and RNA

D.   RNA

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

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

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

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