Navigation » List of Schools » East Los Angeles College » Biology » Biology 003 – Introduction to Biology » Fall 2020 » Exam 1
Below are the questions for the exam with the choices of answers:
Question #1
A Proteins hold the instructions on how to make DNA.
B DNA is the end point of protein production that allows cells to finish making proteins.
C DNA holds the instructions for the cells on how to make proteins.
D DNA is not linked to the production of proteins.
Question #2
A Neither DNA nor RNA
B RNA
C DNA
D DNA and RNA
Question #3
A The entire plasma membrane turns itself inside out.
B The digestion of larger molecules that were brought into the cell.
C The transport of large molecules out of the cell.
D The transport of large molecules into the cell.
Question #4
A simple diffusion
B facilitated diffusion
C hydrosmosis
D osmosis
Question #5
A Animal cells only
B Animal cells, plant cells, and bacterial cells
C Bacterial cells only
D Animal cells and plant cells only
Question #6
A The chloroplast
B The cell wall
C The nucleus
D The plasma membrane
Question #7
A Chloroplast
B Mitochondria
C Cell wall
D Vacuole
Question #8
A Converting food energy into cellular energy
B Storing water
C Assembling lipids
D Converting light energy into food molecules
Question #9
A Golgi apparatus
B Ribosome
C Lysosome
D Chloroplast
Question #10
A It is moving.
B It has ribosomes.
C It has DNA.
D It has a nucleus.
Question #11
A often made of prokaryotic cells
B often multicellular, sometimes unicellular
C always multicellular
D always unicellular
Question #12
A Mitochondria
B Lysosome
C Ribosomes
D Nucleus
Question #13
A Mitochondria
B Ribosome
C Plasma membrane
D Chloroplasts
Question #14
A Animal
B Fungus
C Bacteria
D Protist
Question #15
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
Question #16
A Trans unsaturated fat
B Cholesterol
C Saturated fat
D All dietary fats are unhealthy
Question #17
A A linear chain of fatty acids
B A branched chain of fatty acids
C A chain of fatty acid tails
D A glycerol head and three fatty acid tails
Question #18
A Chitin
B Cellulose
C Glycogen
D Starch
Question #19
A Glucose
B Lactose
C Sucrose (table sugar)
D Cellulose
Question #20
A Metabolism
B Anabolism
C Embolism
D Catabolism
Question #21
A Nucleic acids
B Amino acids
C Glucose
D Fatty acids
Question #22
A Nucleic acids
B Proteins
C Lipids
D Carbohydrates
Question #23
A Carbohydrates, lipids, proteins, and enzymes
B Carbohydrates, lipids, proteins, and sugars
C Carbohydrates, proteins, nucleic acids, and sugars
D Carbohydrates, proteins, lipids, and nucleic acids
Question #24
A carbon
B hydrogen
C oxygen
D nitrogen
Question #25
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 basic) to 14 (most acidic), with 7 as a neutral.
C The pH scale runs from 0 (neutral) to 14 (most acidic), with 7 as an average acidity level.
D The pH scale runs from 0 (most acidic) to 14 (neutral), with 7 as an average acidity level.
Question #26
A neutral
B acidic
C alkaline
D basic
Question #27
A hydrogen
B covalent
C nonpolar
D ionic
Question #28
A isotope
B chemical properties
C ion state
D chemical element
Question #29
A Oxygen
B Calcium
C Nitrogen
D Carbon
Question #30
A Oxygen
B Water
C Carbon
D Sugar
Question #31
A An element that is required in miniscule amounts for life
B An element that is very common in nature
C An element that is used to identify the location of other elements
D An element that is evenly distributed on the planet
Question #32
A destroyed and created
B destroyed
C rearranged
D created
Question #33
A An element
B A molecule
C A compound
D An ion
Question #34
A We do not know if everything besides the detergents was the same (machine used, type of stains, etc.).
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 whether the same amount of each detergent was used for washing.
D All of the above are aspects that are misleading.
Question #35
A The control group
B The blind effect
C The fake effect
D The placebo effect
Question #36
A The hypothesis
B The dependent variable
C The placebo
D The controlled experiment
Question #37
A testable
B repeatable
C falsifiable
D All of the above are important characteristics of hypotheses.
Question #38
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
Question #39
A Making a prediction
B Making an observation
C Carrying out an experiment
D Developing a hypothesis
Question #40
A The relationship between structure and function
B The transformation of energy and matter
C The flow of information from DNA to proteins
D The theory of evolution by natural selection
Question #41
A A community consists of living organisms only, while an ecosystem consists of both living organisms and their nonliving environment
B A community consists of both living organisms and their nonliving environment, while an ecosystem consists of nonliving components only
C A community consists of nonliving components, while an ecosystem consists of living organisms
D A community and an ecosystem are the same thing in eology
Question #42
A Community → Ecosystem → Population → Tissue → Organ → Cell → Organelle → Atom
B Biosphere → Community → Population → Tissue → Organ → Cell → Atom → Molecule
C Ecosystem → Population → Community → Organ system → Organ → Cell → Molecule → Atom
D Ecosystem → Community → Population → Organ → Tissue → Cell → Molecule → Atom
Question #43
A envirosphere
B biosphere
C troposphere
D ionosphere
Question #44
A A cell
B A molecule
C An atom
D An organism
Question #45
A Yes, it possesses enough of the requirements for life to be considered living.
B No, it does not possess any of the requirements for life.
C Yes, it possesses all of the requirements for life.
D No, it does not possess all of the requirements for life.