BIOL 101 quiz 1 complete solution correct answer key

T or F: 
Biology is the scientific study of non-living things



Which of the following is a good reason to study biology?
a) To learn how organisms are constructed, how they function, where they live & what they do
b) To help you develop, modify, and refine your ideas about life
c) It will help you to know God better (Romans 1:20)
d) It will help you in your other classes (Proverbs 9:10)
e) All of the above



Which of the following is NOT one of the fundamental characteristics of all living things?
a) Composed of one or more cells; b) Stores "genes" on proteins; 
c) Capacity to grow, reproduce, and develop; 
d) Capture and use energy and raw materials



T or F:
Viruses are alive



Which of the following is not part of the scientific method?
a) Observe phenomenon; 
b) Develop theories; 
c) Make predictions; 
d) Devise test of predictions; 
e) Carry out tests and analyze results



T or F:
Scientists, using experiments and hypotheses, are able to arrive at truth



A control group is:
a) A group receiving the treatment you are testing; 
b) A standard for comparison; 
c) Identical to experimental group except for variable being studied; 
d) b and c; 
e) none of the above

b) A standard for comparison; 

and 

c) Identical to experimental group except for variable being studied;



T or F:
Two potential problems with experiments are bias and sampling error



A hypothesis that has been tested for its predictive power many times and has not yet been found incorrect is called: 
a) a theory; b) a law; c) a model; 
d) a hypothesis; e) a prediction



Evidence from peppered-moths supports:
a) Macroevolution; 
b) Megaevolution; 
c) Minievolution; 
d) Microevolution



T or F:
"The continuity of life arises directly from the growth and division of single cells" is a major tenet of the Nucleus Theory:



Prokaryotic cells lack: 
a) Cell membranes; b) DNA; 
c) Ribosomes; d) Nuclei; e) Flagella



The two part scientific name developed by Carolus Linnaeus is composed of: 
a) Kingdom & Phylum;
b) Phylum & Family; 
c) Family & Species; 
d) Genus & Species; 
e) Genus & Class



T or F:
There are 8 Kingdoms of living things



Which of the following is not a biological category:
a) Kingdom; b) Phylogram; 
c) Class; d) Order; e) Family



Which of the following is a prokaryotic kingdom:
a) Archaebacteria; b) Eubacteria; 
c) Protista; d) Fungi; e) a and b

e) a and b:
a) Archaebacteria
and 
b) Eubacteria

Single-celled eukaryotes; not an easily defined group



Fungi

Multicellular absorbers; cell walls made of chitin



Plantae

Multicellular producers; cell walls made of cellulose



Animalia

Multicellular consumers; no cell walls



Ribosome

Site of protein production



Nucleus

Organelle that physically separates DNA from the cytoplasm



Mitochondrion

Organelle that specializes in ATP formation



Cytoskeleton

Interconnected system of protein filaments that structurally supports eukaryotic cells and organizes and moves them



Chloroplast

Organelle of photosynthesis in plants and many protistans



The cell membrane is composed of lipids and ___________________.
a) carbohydrates; b) proteins; 
c) nucleic acids; d) nucleotides; 
e) starches



T or F:
Mitochondria have three membranes (outer, middle, and inner)



Some ribosomes are attached to:
a) Smooth ER; b) Nucleus; 
c) Golgi body; d) Chloroplast; 
e) Rough ER



Where are ribosomes assembled?
a) Nucleolus; b) Chromosomes; 
c) Chromatin; d) Nuclear pore; 
e) Rough ER

;



Which of the following structures are found in plant cells, but not animal cells?
a) Chloroplasts; b) Cell walls; 
c) Central vacuoles; d) a and b only; e) all of the above



T or F:
An atom is the largest particle that retains the properties of an element



The atomic number is the number of _____________ in the atoms of an element.
a) neutrons; b) protons; 
c) electrons; d) nuclei; e) ions



Proton
Hint: Its charge

Positively charged



Neutron
Hint: Its charge



Electron
Hint: Its charge



With the exception of hydrogen & helium, all atoms "want" to have ____ electrons in their outer shell.
a) 2; b) 5; c) 6; 
d) 7; e) 8

e) 8



Ionic bond:
a. Transfer of electrons
b. Sharing of electrons
c. Does not make a new molecule



Covalent bond:
a. Transfer of electrons
b. Sharing of electrons
c. Does not make a new molecule



Hydrogen bond:
a. Transfer of electrons
b. Sharing of electrons
c. Does not make a new molecule



T or F:
One of the most important features of water is that it has non-polar covalent bonds



T or F:
Ice is more dense than liquid water

False



T or F:
Acids donate (or release) hydrogen ions when dissolved in water



A substance with a pH of 3 is _____ times more acidic than a substance with a pH of 6.
a) 2; b) 3; c) 10; 
d) 100; e) 1000

e) 1000



Polymers are formed from subunits (monomers) by way of ____________ reactions.
a) Hydrolysis; b) Cleavage; 
c) Compensation; d) Hydrogen; 
e) Condensation



A protein is a chain of amino acids linked by __________ bonds.
a) peptide; b) hydrogen; c) ionic; 
d) ironic; e) oxygen



Which of the following is not composed of nucleotides:
a) DNA; b) Cholesterol; c) ATP; 
d) NAD+; e) Cyclic AMP

b) Cholesterol;



Fatty acids & glycerol:
a. Nucleic Acids
b. Proteins
c. Carbohydrates
d. Lipids



Monosaccharides:
a. Nucleic Acids
b. Proteins
c. Carbohydrates
d. Lipids



Nucleotides:
a. Nucleic Acids
b. Proteins
c. Carbohydrates
d. Lipids



Amino Acids:
a. Nucleic Acids
b. Proteins
c. Carbohydrates
d. Lipids