Biology questions and answers

Science Bowl

BIOLOGY

Biology - 61

BIOL-92; Multiple Choice:  Which of the following terms refers to the frequency with which a
gene is expressed in a detectable way?  Is it: 

a) polygenetics
b) codominance
c) allelism
d) penetrance

ANSWER:   D -- PENETRANCE

BIOL-92; Multiple Choice:  Which of the following terms refers to the collection of all alleles of
every gene present in the members of a population?  Is it:

a) population expression
b) gene pool
c) genetic dictionary
d) none of these

ANSWER:   B -- GENE POOL

BIOL-92; Multiple Choice:  Which of the following are capable of causing chromosomal
mutations?

a) hydrogen peroxide
b) high body temperature
c) X-rays
d) all of the above

ANSWER:   D -- ALL OF THE ABOVE

BIOL-92; Short Answer:  In studies of cells, the nuclei, mitochondria, endoplasmic reticulum,
dictyosomes, microbodies and plastids are collectively known as what in the eucaryotic cell?

ANSWER:   ORGANELLES

BIOL-92; Multiple Choice:  In a cell, the membrane bounding the outer surface of the cytoplasm
is known as:

a) tonoplast
b) cytoplast
c) plasmalemma

ANSWER:   C -- PLASMALEMMA

Science Bowl

BIOLOGY

Biology - 62

BIOL-92; Multiple Choice:  The use and transfer of energy in all cells involves the same
compound, ATP.  The letters ATP stand for the chemical: 

a)  atrophine trichloride
b)  aluminum trioxide
c)  adenosine triphosphate
d)  none of the above

ANSWER:   C -- ADENOSINE TRIPHOSPHATE

BIOL-92; Short Answer:  The letters RNA are used to abbreviate what substance found in
chromosomes?

ANSWER:  RIBONUCLEIC ACID

BIOL-92; Multiple Choice:   Which two of the following four bases in DNA are pyrimidine (pron:
pie-rim-eh-den) bases?

a)  cytosine
b)  thymine
c)  adenine
d)  guanine

(pron: gwa - neen)

ANSWER:   A and B -- CYTOSINE and THYMINE

BIOL-92; Multiple Choice:  Which two of the following four bases in DNA are purine bases?

a) adenine
b) thymine
c) cytosine
d) guanine

ANSWER:  A and D -- ADENINE and GUANINE

BIOL-92; Multiple Choice:  Peptide bonds are found in:

a)  carbohydrates
b)  lipids
c)  nucleic acids
d)  proteins

ANSWER:  D -- PROTEINS

Science Bowl

BIOLOGY

Biology - 63

BIOL-92; Multiple Choice:  What is the end product of glycolysis (fermentation) in chordates
(pron: KOR-dates) when there is INSUFFICIENT oxygen?

a)  lactic acid
b)  hydrogen
c)  sugar
d)  alcohol

ANSWER:  A -- LACTIC ACID

BIOL-92; Multiple Choice:  What is the main purpose of fermentation in cells? 

a)  production of ATP
b)  hydrolysis of starch
c)  production of alcohol
d)  burning of hydrogen with oxygen

ANSWER:  A -- PRODUCTION OF ATP

BIOL-92; Multiple Choice:  Schwann's cell theory basically states that: 

a)  cells are the building blocks of living things.
b)  cells require oxygen.
c)  cells are made of atoms and molecules.
d)  cells require nutrients.

ANSWER:  A -- CELLS ARE THE BUILDING BLOCKS OF LIVING THINGS. 

BIOL-92; Short Answer:  What is the process by which a cell captures and digests a foreign
body?

ANSWER:  PHAGOCYTOSIS      (pron: fag-a-se-TOE-sis)

BIOL-92; Short Answer:  In chlorophyll-containing plants, what are TWO products of green
plant photosynthesis?

ANSWER:  OXYGEN AND GLUCOSE   (accept energy, also)

Science Bowl

BIOLOGY

Biology - 64

BIOL-92; Multiple Choice:  Muscle is surrounded by a tough sheet of whitish connective tissue
called:

a) apodeme
b) annelida
c) fascia
d) none of the above

ANSWER:   C -- FASCIA

BIOL-92; Multiple Choice:  Which of the following is not a function performed by muscle
through contraction?

a) motion
b) maintenance of posture
c) hemopoiesis
d) heat production

ANSWER:   C -- HEMOPOIESIS

BIOL-92; Multiple Choice:  The most important chemical process in digestion is:

a)  diffusion
b)  active transport
c)  hydrolysis

ANSWER:   C -- HYDROLYSIS

BIOL-92; Short Answer:  The junction of two neurons is called what? 

ANSWER:   A SYNAPSE

BIOL-92; Multiple Choice:  Which of the following terms is used to describe animals that
maintain a constant body temperature by producing heat by metabolic oxidations (muscle
contractions) and losing excess heat by evaporative cooling?

a) poikilotherms
b) heterotherms
c) homeotherms
d) none of these

ANSWER:   C -- HOMEOTHERMS

Science Bowl

BIOLOGY

Biology - 65

BIOL-92; Short Answer:  What is the process by which an animal may develop from an
UNfertilized egg?

ANSWER:  PARTHENOGENESIS        (pron: par-then-a-GEN-a-sis) 

BIOL-92; Multiple Choice:  A normal female human cell will have how many Barr bodies per
cell?  Is it:

a) 1
b) 2
c) 3
d) 4

ANSWER:   A -- 1

BIOL-92; Multiple Choice:  Which of the following refers to the science concerned with the
application of genetic principles to the improvement of the human species?

a) assortive mating
b) eugenics
c) holandricism
d) none of these

ANSWER:   B -- EUGENICS

BIOL-92; Multiple Choice:  Which of the following terms relates to the mating of
genetically-related individuals ("blood relatives")?

a) familialism

(pron: feh-mil-yel-ism)

b) kinship genetics
c) consanguinity

(pron: kon-sang-gwin-eh-tee) 

d) none of these

ANSWER:   C -- CONSANGUINITY

BIOL-92; Short Answer:  Complete the sentence.  _____ Twins develop from separate zygotes
and therefore differ genotypically and phenotypically. 

ANSWER:  FRATERNAL

BIOL-92; Short Answer:  Complete the following sentence.  In movable joints i the body,
____________ connect bone to bone.

ANSWER:  LIGAMENTS

Science Bowl

BIOLOGY

Biology - 66

BIOL-92; Multiple Choice:  In biological studies which of the following terms is used to refer to
muscles with less than normal tone?  Is it: 

a) atonic
b) latent
c) flaccid
d) none of these

ANSWER:   C -- FLACCID

BIOL-92; Multiple Choice:  In biological studies which of the following is used to refer to the
oxygen-binding, iron-containing, conjugated protein complex present in the sarcoplasm of muscle
cells?

a) myelin
b) myosin
c) myoglobin
d) none of these

ANSWER:   C -- MYOGLOBIN

BIOL-92; Multiple Choice:  Which of the following terms is used to describe the formation of
fibrous tissue where it normally does not exist?  Is it: 

a) fibrositis
b) fibrogenesis
c) fibrosis
d) none of these

ANSWER:   C -- FIBROSIS

BIOL-92; Multiple Choice:  Which of the following refers to the term -- tracheotomy (pron:
tray-key-ot-eh-me)?

a) an electrical determination of the flow rate of air through the trachea
b) an incision of the trachea
c) the removal of the trachea due to gross cancerous tumor formation 
d) none of these

ANSWER:   B -- AN INCISION OF THE TRACHEA

Science Bowl

BIOLOGY

Biology - 67

BIOL-92; Multiple Choice:  Which of the following terms refers to the ease with which a tissue
stretches?  Is it:

a) stretch factor
b) surface tension
c) compliance
d) ductility

ANSWER:   C -- COMPLIANCE

BIOL-92; Multiple Choice:  Which of the following terms is used to describe the study of the
factors that influence the flow characteristics of blood as it moves through the body?  Is it:

a) hemodynamics
b) anginology
c) capillary physiology
d) none of these

ANSWER:   A -- HEMODYNAMICS

BIOL-92; Multiple Choice:  Which of the following terms refers to a deficienc of blood flow into
a part of the body?  Is it:

a) intrafusal
b) ischemia
c) infarct
d) none of these

ANSWER:   B -- ISCHEMIA

BIOL-92; Multiple Choice:  Which of the following terms describes the process by which red
blood cells are formed?  Is it:

a) erythroblastosis
b) erythropoiesis
c) erythromyacinosis
d) cardiosis

ANSWER:   B -- ERYTHROPOIESIS

Science Bowl

BIOLOGY

Biology - 68

BIOL-92; Multiple Choice:  Which of the following is a term for mononuclear, granulocytic white
blood cells that produce immunoglobulins? 

a) lymphocytes
b) platelets
c) erythrocytes

(pron: eh-rith-reh-sites)

d) none of these

ANSWER:   A -- LYMPHOCYTES

BIOL-92; Multiple Choice:  Which of the following is also called "cancer of the blood" -- an
uncontrolled, greatly accelerated production of white cells.  Is it:

a) polycythemia
b) leukemia
c) sickle-cell anemia
d) none of these

ANSWER:   B -- LEUKEMIA

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms is used to
describe a very rapid heart rate or pulse rate? Is it:

a) bradycardia
b) tachycardia
c) cardiosis
d) myocardia

ANSWER:   B -- TACHYCARDIA

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms is used to
describe heart muscle?  Is it:

a) myocardium
b) epicardium
c) pericardium
d) tachycardium

ANSWER:   A -- MYOCARDIUM

BIOL-92; Short Answer:  A person with which blood type was historically known as "the
universal donor"?

ANSWER:  TYPE O

Science Bowl

BIOLOGY

Biology - 69

BIOL-92; Multiple Choice:  In studies of humans, the term used to describe th act of swallowing
is:

a) mastication
b) deglutition
c) peristalsis
d) none of these

ANSWER:   B -- DEGLUTITION

BIOL-92; Multiple Choice:  Complete the sentence by choosing one of the given biological terms. 
If an ulcer continues and eventually erodes all the way through the wall of the stomach or
duodenum, the condition is called what? 

a) periodontitis
b) perforation
c) periotonitis
d) none of these

ANSWER:   B -- PERFORATION

BIOL-92; Multiple Choice:  In studying the human body, the instrument which i used to indirectly
measure the metabolic rate is a:

a) respirometer
b) hydrometer
c) calorimeter
d) none of these

ANSWER:   A -- RESPIROMETER

BIOL-92; Short Answer: The small intestine is composed of three segments.  Tw of these
segments are the jejunum and the ileum.  Name the third segment. 

ANSWER:   DUODENUM

BIOL-92; Short Answer:  The large intestine is composed of two segments.  The first is the
colon.  Name the second segment.

ANSWER:   RECTUM

Science Bowl

BIOLOGY

Biology - 70

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms would be
used to describe the lack of voluntary control of urination or voiding of the bladder?  Is it

a) anuria
b) suppression
c) incontinence
d) none of these

ANSWER:   C -- INCONTINENCE

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms is used to
describe the hereditary condition associated with an excessively high level of uric acid in the
blood?

a) gout
b) cystitis
c) uric ptosis
d) none of these

ANSWER:   A -- GOUT

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms is used to
describe the first step in the production of urine?  Is it:

a) tubular secretion
b) tubular reabsorption
c) glomerular filtration
d) none of these

ANSWER:   C -- GLOMERULAR FILTRATION

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms is used to
describe a severe depletion or deficiency in total body water?  Is it:

a) hydrophobia
b) hydropenia
c) hydrolysis
d) none of these

ANSWER:   B -- HYDROPENIA

Science Bowl

BIOLOGY

Biology - 71

BIOL-92; Multiple Choice:  Which of the following organs of the body produces insulin?

a) liver
b) stomach
c) pancreas
d) small intestine

ANSWER:   C -- PANCREAS

BIOL-92; Multiple Choice:  In studies of the human body, which of the following terms can also
be used when referring to the pituitary gland?  I it:

a) thymus
b) hypophysis (pron: hypo-fi-sis)
c) pancreas
d) none of the above

ANSWER:   B -- HYPOPHYSIS

BIOL-92; Multiple Choice:  Which of the following is commonly referred to as the "master gland"
because it regulates so many body activities?  Is it: 

a) pituitary gland
b) adrenal gland
c) thyroid gland
d) none of these

    ANSWER:   A -- PITUITARY GLAND

BIOL-92; Short Answer:  Which endocrine structures is located in the roof of the third ventricle
of the brain and is also called the epiphysis cerebri? 

ANSWER:    PINEAL GLAND

BIOL-92; Short Answer:  What are the two MAIN components of the central nervous system?

ANSWER:   BRAIN AND SPINAL CORD.

BIOL-92; Short Answer:  What structure attaches the embryo to the placenta? 

ANSWER:  UMBILICAL CORD

Science Bowl

BIOLOGY

Biology - 72

BIOL-92; Short Answer:  What is the outer transparent coat of the human eye calleds?

ANSWER:  CORNEA

BIOL-92; Short Answer:  Which organ of the body functions to remove old blood cells from
circulation?

ANSWER:  SPLEEN / LIVER

BIOL-92; Multiple Choice:   Which of the following antibacterial substances is known to
primarily affect gram-negative bacteria?

a)  spermine

(pron: SPER-meen)

b)  interferon

(pron: in-ter-FEER-en)

c)  phagocytin

(pron: fag-a-SITE-en)

d)  leukins

(pron: LEW-kins)

ANSWER:  C -- PHAGOCYTIN

BIOL-92; Multiple Choice:  Which of the following is the LEAST effective technique used to
sterilize?

a)  heat
b)  cold
c)  ethylene oxide

(pron: ETH-e-leen)

d)  filtration

ANSWER:  B -- COLD

BIOL-92; Short Answer:  Antibodies are part of a group of serum (pron: SIR-em) proteins
known as what?

ANSWER:   IMMUNOGLOBULINS     (pron: im-MYOON-o-glob-you-lins)   or

GLOBULINS

BIOL-92; Short Answer:  In 1954, the Public Health Service organized an experiment in which
nearly 2 million children in grades 1, 2 and 3 participated.  The experiment was to test a vaccine. 
Name the disease the children were vaccinated against, and identify the individual who developed
the vaccine.

ANSWER:  POLIO; VACCINE DEVELOPED BY JONAS SALK

Science Bowl

BIOLOGY

Biology - 73

BIOL-92; Short Answer:  A monoclonal antibody is specific for how many different proteins?

ANSWER:  ONE

BIOL-92; Short Answer:  What is the gelatinous substance produced by red algae which is used
as a culture medium for bacteria called?

ANSWER:  AGAR (pron: OG-er)   or   AGAR-AGAR (pron: OG-er-OG-er) 

BIOL-92; Short Answer:  What do we call a substance, usually a protein, which when introduced
into the body stimulates the formation of antibodies? 

ANSWER:  ANTIGEN

BIOL-92; Short Answer:  What is the term for an infection in the connective tissues covering the
brain and spinal cord?

ANSWER:  MENINGITIS

BIOL-92; Short Answer:  What is the primary chemical component of the prokaryotic cell wall?

ANSWER:  PEPTIDOGLYCAN

(pron: pep-ted-o-GLIE-kan) 

BIOL-92; Short Answer:  The virus which causes mononucleosis belongs to which family?

a)  Cocksackie
b)  Androvirus
c)  Epstein-Barr
d)  Retrovirus

ANSWER:  C -- EPSTEIN-BARR

BIOL-92; Short Answer:  Zidovudine (pron: zi-DOE-vyu-deen), a nucleoside with antiviral
activity, is used to delay the onset of this disease.  Name the disease.

ANSWER:  AIDS

BIOL-92; Short Answer:  Syphilis is commonly detected by what test? 

ANSWER:  WASSERMAN TEST

Science Bowl

BIOLOGY

Biology - 74

BIOL-92; Short Answer:  What is the tick-borne disease, caused by Borrelia burgdorferi,
commonly called?

ANSWER:  LYME DISEASE

BIOL-92; Short Answer:  Bacteria and blue-green algae are among the few types of these cells,
which lack a nuclear membrane.  Name this type of cell. 

ANSWER:  PROCARYOTIC CELL   (pron: pro-KARE-ee-o-tik) 

BIOL-92; Short Answer:  The ratio of which two types of lymphocytes is an indication of the
AIDS virus?

ANSWER:  TH AND TS CELLS (Thelper and Tsuppressor is also acceptable) 

BIOL-92; Short Answer:  Name the term which is used to describe the biotic an abiotic
components of a particular biological area.  A pond or a forest would be examples.

ANSWER:  ECOSYSTEM

BIOL-92; Short Answer:  What is the term used in ecology to refer to a habitat zone such as a
grassland or tundra, resulting from interaction of climate, biota (pron: bi-O-ta), and substratum?

ANSWER:  BIOME   (pron: BI-owm)

BIOL-92; Multiple Choice: Which term is used to describe organisms which live on or in the
bottom of an ocean or lake.  Such organisms can be found anywhere from the shoreline to the
greatest ocean depths?

a) biota
b) benthos
c) nekton
d) plankton

ANSWER:   B -- BENTHOS

Science Bowl

BIOLOGY

Biology - 75

BIOL-92; Multiple Choice:  Which of the following terms describes the study o animal behavior
based on comparisons, the observation of patterns, and the consideration of environmental
adaptations?  Is it:

a) ethology

(pron: eh-thol-eh-gee)

b) evisceration

(pron: eh-vis-eh-ray-shun)

c) promotorism
d) sociology

ANSWER:   A -- ETHOLOGY

BIOL-92; Multiple Choice:  Which of the following describes the belief that living things can
appear from nonliving matter?  Is it:

a) evolution
b) spontaneous generation
c) photosynthesis
d) chemosynthesis

ANSWER:   B -- SPONTANEOUS GENERATION

BIOL-92; Short Answer:  An organism is named by combining its genus name with what other
name?

ANSWER:  SPECIES NAME / SPECIFIC EPITHET

BIOL-92; Short Answer:  Members of the Kingdom Monera differ from all other organisms
because they have what characteristic?

ANSWER:  THEY HAVE PROKARYOTIC CELLS / LACK NUCLEUS AND

ORGANELLES 

BIOL-92; Short Answer:  In Biology, which classification category contains th largest number of
organisms?

ANSWER:  KINGDOM

Science Bowl

BIOLOGY

Biology - 76

BIOL-92; Multiple Choice:  If we were to completely eliminate one group of marine organisms
from the ocean, which would most likely be fatal to marin fish populations?  Elimination of:

a)  urchins
b)  diatoms

(pron: DIE-a-toms)

c)  starfishes
d)  sea anemones

(pron: a-NEM-a-nees)

ANSWER:  B -- DIATOMS

BIOL-92; Multiple Choice:  From the following, name the type of mimicry by which an
acceptable, palatable insect mimics an unfavorable, noxious insec for protection.

a)  Batesian mimicry

(pron:  BATE-see-an  MIM-i-cree) 

b)  Mullerian mimicry

(pron:  myou-LER-ee-an  MIM-i-cree) 

c)  Femmes fatalles strategy

(pron:  fem  fa-TAL)  d)  Monarchial mimicry

ANSWER:  B -- MULLERIAN MIMICRY

BIOL-92; Short Answer:  In biology, a situation in which one characteristic is NOT dominant
over another is known by what name?

ANSWER: INCOMPLETE INHERITANCE

BIOL-92; Short Answer:  What is the occurrence of two or more hereditary unit on the same
chromosome called?

ANSWER:   (GENE) LINKAGE

BIOL-92; Short Answer:  If the DNA code for leucine is GAT, the tRNA anticodo would be
what?

ANSWER:  GAU

BIOL-92; Short Answer:  Two parents have the genotype Aa.  What fraction of their offspring
would also be heterozygous?

ANSWER:  1/2

BIOL-92; Short Answer:  What term is used to describe an organism lacking one entire
chromosome?

ANSWER:  A MONOSOMY

Science Bowl

BIOLOGY

Biology - 77

BIOL-92; Short Answer;  What  type of mutation has occurred when a plant inherits a complete
extra set of chromosomes?

ANSWER:  POLYPLOIDY

BIOL-92; Short Answer:  Carbon l4 with a half life of 5,568 years is used to date a sample of
wood.  The sample has l/8 the carbon l4 contained in a living tree of the same species. 
Approximately how old is the specimen? 

    ANSWER:  l6,704 YEARS

BIOL-92; Short Answer:  What is the mass of filaments composing the body of a fungus called?

ANSWER:  MYCELIUM

BIOL-92; Short Answer:  What kinds of organs are proglottids mostly made of? 

ANSWER:   REPRODUCTIVE ORGANS

BIOL-92; Short Answer:  What is the whale's baleen?

ANSWER: THE STRAINER IN ITS MOUTH

BIOL-92; Multiple Choice:  Which disease is NOT caused by a bacteria? 

a)  Tetanus
b)  Tuberculosis
c)  Leprosy
d)  AIDS

ANSWER:  D -- AIDS

BIOL-92; Short Answer:  The purpose of the human genome project is to map all the human
chromosomes.  A similar project is ongoing for another mammal; name that mammal.

ANSWER:  MOUSE (or Mice)

Science Bowl

BIOLOGY

Biology - 78

BIOL-93; Multiple Choice:  In plant studies, many species of angiosperms lack secondary growth
and therefore do not become woody.  They are generally called by which of the following? 
     a) trees
     b) bines
     c) herbs
     d) none of the above

     ANSWER:   C -- HERBS

BIOL-93; Short Answer:  What TWO primary chemical compounds are used in photosynthesis? 

     ANSWER:  WATER AND CARBON DIOXIDE

BIOL-93; Multiple Choice:  The ovary of a flowering plant can develop into a: 
     a)  spore
     b)  fruit
     c)  cone
     d)  seed

     ANSWER:  B -- FRUIT

BIOL-93; Multiple Choice:  The part of the flower that is adapted to catch pollen is the: 
     a)  stigma
     b)  style
     c)  anther
     d)  ovule

     ANSWER:  A -- STIGMA

BIOL-93; Multiple Choice:  Fungi depend on other organisms for: 
     a)  water
     b)  food
     c)  carbon dioxide
     d)  hydrogen

     ANSWER:  B -- FOOD

Science Bowl

BIOLOGY

Biology - 79

BIOL-93; Short Answer:  What is the generic name for a biocide effective against certain plants? 

     ANSWER:  HERBICIDE

BIOL-93; Multiple Choice:  Neuron is the name given to which special type of biological cell? 
     a) a nerve cell
     b) a brain cell
     c) a skin cell

     ANSWER:   A -- A NERVE CELL

BIOL-93; Short Answer:  What is the highly insoluble (polysaccharide) carbohydrate which is a
major supporting material in plants?

     ANSWER:  CELLULOSE

BIOL-93; Short Answer:  The letters DNA are used to abbreviate what substance found in
chromosomes? 

     ANSWER:  DEOXYRIBONUCLEIC ACID

BIOL-93; Multiple Choice:  In a cell, aerobic respiration occurs mainly in the: 
     a)  ribosomes       (pron: RIBE-a-somes)
     b)  mitochondria    (pron: mite-o-KON-dree-a)
     c)  Golgi apparatus (pron: GALL-jee)
     d)  chloroplasts    (pron: KLOR-o-plasts)

     ANSWER:  B -- MITOCHONDRIA

BIOL-93; Multiple Choice:  As mitosis (pron: mie-TOE-sis) begins, the structure in the nucleus
that disappears is the:
     a)  spindle
     b)  nucleolus  (pron: new-klee-O-lus)
     c)  chromatid  (pron: KROME-a-tid)
     d)  centromere      (pron: SEN-tro-meer)

     ANSWER:  B -- NUCLEOLUS

Science Bowl

BIOLOGY

Biology - 80

BIOL-93; Multiple Choice:  The process of osmosis is best illustrated by the movement of: 
     a)  salts in blood stream.
     b)  oxygen into red blood cells.
     c)  carbon dioxide through stomata.
     d)  water into root hair cells.

     ANSWER:  D -- WATER INTO ROOT HAIR CELLS.

BIOL-93; Multiple Choice:  Cilia are distinguished from flagella (pronounced: fla-JEL-a) by their: 
     a)  arrangement of microtubules.
     b)  length and number.
     c)  function.
     d)  color.

     ANSWER:  B -- LENGTH AND NUMBER.

BIOL-93; Multiple Choice:  Molecular oxygen formed during plant photosynthesis is derived
exclusively from:
     a)  CO2
     b)  Water
     c)  carbohydrates
     d)  none of the above

     ANSWER:  B -- WATER

BIOL-93; Multiple Choice:  In the digestive system, proteins are broken down into: 
     a)  simple sugars.
     b)  fatty acids.
     c)  amino acids.
     d)  glycerol.

     ANSWER:  C -- AMINO ACIDS.

BIOL-93; Multiple Choice:  Respiration that does NOT require oxygen is called: 
     a)  photosynthesis
     b)  oxidation
     c)  anaerobic respiration
     d)  aerobic respiration

     ANSWER:  C -- ANAEROBIC RESPIRATION