Exam 1

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

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

C  Proteins hold the instructions on how to make DNA.

D  DNA is not linked to the production of proteins.

A  DNA and RNA

B  RNA

C  Neither DNA nor RNA

D  DNA

A  The transport of large molecules out of the cell.

B  The transport of large molecules into the cell.

C  The entire plasma membrane turns itself inside out.

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

A  simple diffusion

B  hydrosmosis

C  osmosis

D  facilitated diffusion

A  Bacterial cells only

B  Animal cells and plant cells only

C  Animal cells only

D  Animal cells, plant cells, and bacterial cells

A  The nucleus

B  The chloroplast

C  The plasma membrane

D  The cell wall

A  Chloroplast

B  Mitochondria

C  Vacuole

D  Cell wall

A  Converting food energy into cellular energy

B  Assembling lipids

C  Converting light energy into food molecules

D  Storing water

A  Golgi apparatus

B  Chloroplast

C  Ribosome

D  Lysosome

A  It is moving.

B  It has ribosomes.

C  It has a nucleus.

D  It has DNA.

A  often multicellular, sometimes unicellular

B  always unicellular

C  often made of prokaryotic cells

D  always multicellular

A  Ribosomes

B  Nucleus

C  Mitochondria

D  Lysosome

A  Ribosome

B  Chloroplasts

C  Mitochondria

D  Plasma membrane

A  Animal

B  Protist

C  Bacteria

D  Fungus

A  a long chain of glucose

B  a long chain of amino acids

C  a long chain of nucleic acids

D  a long chain of fatty acids

A  All dietary fats are unhealthy

B  Cholesterol

C  Trans unsaturated fat

D  Saturated fat

A  A branched chain of fatty acids

B  A chain of fatty acid tails

C  A linear chain of fatty acids

D  A glycerol head and three fatty acid tails

A  Chitin

B  Starch

C  Glycogen

D  Cellulose

A  Cellulose

B  Sucrose (table sugar)

C  Lactose

D  Glucose

A  Anabolism

B  Embolism

C  Metabolism

D  Catabolism

A  Glucose

B  Fatty acids

C  Nucleic acids

D  Amino acids

A  Carbohydrates

B  Nucleic acids

C  Proteins

D  Lipids

A  Carbohydrates, proteins, lipids, and nucleic acids

B  Carbohydrates, proteins, nucleic acids, and sugars

C  Carbohydrates, lipids, proteins, and enzymes

D  Carbohydrates, lipids, proteins, and sugars

A  nitrogen

B  carbon

C  hydrogen

D  oxygen

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 (most acidic) to 14 (neutral), 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 (neutral) to 14 (most acidic), with 7 as an average acidity level.

A  acidic

B  basic

C  neutral

D  alkaline

A  covalent

B  nonpolar

C  ionic

D  hydrogen

A  chemical element

B  chemical properties

C  isotope

D  ion state

A  Calcium

B  Oxygen

C  Carbon

D  Nitrogen

A  Carbon

B  Water

C  Sugar

D  Oxygen

A  An element that is very common in nature

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

C  An element that is evenly distributed on the planet

D  An element that is required in miniscule amounts for life

A  rearranged

B  destroyed

C  destroyed and created

D  created

A  A molecule

B  An element

C  A compound

D  An ion

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

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

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

D  All of the above are aspects that are misleading.

A  The fake effect

B  The placebo effect

C  The control group

D  The blind effect

A  The dependent variable

B  The controlled experiment

C  The placebo

D  The hypothesis

A  repeatable

B  falsifiable

C  testable

D  All of the above are important characteristics of hypotheses.

A  A proposed explanation for an observed phenomenon

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

C  A guess

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

A  Carrying out an experiment

B  Making a prediction

C  Making an observation

D  Developing a hypothesis

A  The flow of information from DNA to proteins

B  The theory of evolution by natural selection

C  The relationship between structure and function

D  The transformation of energy and matter

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

B  Ecosystem → Community → Population → Organ → Tissue → Cell → Molecule → Atom

C  Ecosystem → Population → Community → Organ system → Organ → Cell → Molecule → Atom

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

A  envirosphere

B  troposphere

C  biosphere

D  ionosphere

A  A molecule

B  A cell

C  An atom

D  An organism

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

B  Yes, it possesses 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.