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