Download BIO_130_132_Test_Questions_files/Bio 130 Final Questions

1.
Which one of the following groups is CORRECTLY arranged in sequence
from the smallest to largest units?
a. atoms, cells, tissues, organisms , populations,
b. atoms, molecules, organ systems, populations, communities
c. organism, organs, tissues, cells, molecules
d. cells, atoms communities, subatomic particles, tissues
e. molecules, cells, organs, tissues, organisms
2.
A buffer system tends to:
a) stabilize pH
d) remove pH from the body
b) greatly lower pH e) none of the above
c) greatly raise pH
3.
By which kind of reaction is sucrose formed from glucose and fructose?
a) decomposition
d) hydrolysis
b) replacement
e) dehydration synthesis
c) exchange
4. Peptide chains are formed from:
a) glycogen
d) amino acids
b) monosaccharides
e) nucleotides
c) glycerol and fatty acids
5.
The universal solvent and the bodily temperature regulator is:
a. alcohol
d. water
b. carbohydrate e. protein
c. lipid
6.
Forming organic bonds:
a. releases energy d. requires energy
b. requires catalysts
e. "a" and "b" of the above
c. is unrelated to energy
7.
Transfer of electrons are demonstrated by what kind of bonds?
a. covalent
d. all of the above
b. hydrogen
e. none of the above
c. ionic
8.
Dehydration synthesis reactions:
a. break up polysaccharides
b. form fatty acids
c. help digest starch
d. separate peptide bonds
e. build larger molecules
9.
Proteins in the cell membrane function as:
a. enzymes d. a and b of the above
b. receptor sites
e. all of the above
c. carrier molecules
10. The endoplasmic reticulum:
a. functions in internal transport d. produces ATP
b. carries on cellular respiration e. b and c of the above
c. is the site of carbohydrate synthesis
11.
12.
Ribosomes:
a. contain DNA
d. hydrolyze phospholipids
b. are part protein and part RNA
e. all of the above
c. store amino acids
The function of the Golgi bodies is associated with:
a. cellular secretion d. energy production
b. protein synthesis e. intracellular digestion
c. cell division
13.
Lysosomes are involved in:
a. protein synthesis d. fatty-acid storage
b. intercellular communication e. none of the above
c. intracellular digestion
14.
Mitochondria have which of the following functions?
a. protein synthesis d. all of the above
b. energy production e. none of the above
c. lipid storage
15.
In osmosis, water moves:
a. from a higher to a lower concentration
b. through a semipermeable membrane
c. from a lower to a higher concentration
d. a and b of the above
e. b and c of the above
16.
Active transport:
a)
involves the net movement of molecules from a low
concentration to a high concentration
b)
results in the net movement of molecules from a high
concentration to a low concentation
c)
requires no energy
d)
results in molecular movement in keeping with the
concentration gradient
e)
occurs only in nonliving systems
17.
Determine the proper sequence of the following series of
events involved with the irritability and conductivity of
a neuron:
1)
initiation of action potential
2)
application of the stimulus
3)
depolarization
4)
polarized membrane
5)
inflow of sodium ions
6)
repolarization
a)
b)
c)
4,2,5,1,3,6
4,5,2,3,1,6,
4,6,2,5,3,1,
d)
e)
4,2,5,3,1,6,
1,2,5,3,6,4,
18.
A myelin sheath is:
a. made of phospholipids and glycolipids
b. found in most axons
c. helpful in conducting impulses
d. all of the above
e. none of the above
19.
In saltatory conduction, the impulse:
a. travels along a unmyelinated axon
b. travels from node to node
c. skips the internodes
d. travels very slowly
e. all of the above
20.
The junction of two nerve cells is called a:
a. axon hillock
d. dendrite
b. neuron
e. synapse
c. node of Ranvier
21.
If the DNA code triplet is AAT, the complementary m-RNA
code will
be:
a.
UUG
d.
AAT
b.
CCG
e.
GGA
c.
UUA
22.
Transfer RNA:
a.
carries amino acids
d.
all of the above
b.
c.
forms nucleoli
carries proteins
e.
none of the above
23.
In humans, what is the total number of ATP molecules obtainable from
ONE glucose molecule during anaerobic respiration?
a.
2
d. 38
b.
34
e. 40
c.
36
24.
Aerobic respiration has as its end product(s):
a. alcohol
d. b and c of the above
b. C02 e. all of the above
c. H20
25.
Pyruvic acid is formed during:
a. muscle contraction
d. all of the above
b. glycolysis
e. none of the above
c. FAD---->NAD
NAD functions in respiration as a:
a.
water-splitting enzyme
d.hydrogen carrier
b.
maker of ATP
e. phosphorylation enzyme
c.
glucose stimulator
26.
27.
When DNA unwinds during REPLICATION, the nitrogen base
adenine pairs off with which of the following nitrogen bases?
a.
quanine d. cytosine
b.
thymine e. all of the above
c. uracil
28.
Which of the following serves as a template or mold for the
a protein?
a.
tRNA
d. tDNA
b.
mDNA e. rRNA
c.
mRNA
formation of
29.
Translation of a codon into a polypeptide is accomplished by:
a.
tRNA
d. NAD
b.
ATP
e. centrioles
c.
amino acids
30.
The synthesis of protein in the cytoplasm of a cell depends
a.
messenger RNA d.
ribosomes
b.
transfer RNA
e. all of the above
on:
31.
In the complete aerobic breakdown of one glucose molecule, what is the
TOTAL number of ATP molecules produced by the
electron transport system found in HUMAN cells?
a.
2
d. 36
b.
32
e. 38
c.
34
32.
In aerobic respiration, oxygen:
a.
directly oxidizes glucose compounds
b.
supplies energetic electrons
c.
is the final hydrogen acceptor
d.
is a waste product
e.
acts as a catalyst
33.
As the FINAL stage in respiration, the cytochromes transport:
a. neutrons d. electrons
b. protons e. alpha particles
c. hydrogen atoms
34.
Which one of the following processes requires oxygen?
a. glycolysis
d. fermentation
b. lactic acid production
e. none of the above
c. electron transport system
35
Messinger-RNA:
a. moves from the nucleus through the cytoplasm
b. is formed from a DNA template
c. carries a specific code for protein synthesis
d. all of the above
e. none of the above
36. If a small part of one side of a DNA molecule has the base sequence A-T-C-GT-A, then the messenger RNA base sequence would be:
a. T-A-G-C-A-T- d. U-A-G-C-A-U
b. T-A-C-G-T-A e. A-R-C-G-U-A
c. U-A-G-G-A-T
37.
The process of protein synthesis is known as:
a. mutation d. translation
b. transcription
e. mitosis
c. replication
38. Which of the following serves as a template or mold for the formation of a
protein?
a. t-RNA
d. t-DNA
b. m-DNA
e. r-RNA
c. m-RNA
39. The type of RNA which is responsible for carrying an amino acid into position
to form a protein is called:
a. messenger-RNA
d. proteolytic-RNA
b. amino acid-RNA
e. transfer-RNA
c. ribosomal-RNA
40. Chromatids line up on the equatorial plane during:
a. metaphase d. telophase
b. prophase e. anaphase
c. interphase
41. Chromatin replicates in animal cells during:
a. anaphase d. telophase
b. interphase e. prophase
c. metaphase
42.
The nuclear membrane characteristically disappears during:
a. interphase d. telophase
b. prophase e. metaphase
c. anaphase
43.
Which of the following is the LAST stage of mitosis?
a. anaphase
d. telophase
b. metaphase e. interphase
c. prophase
44.
Simple columnae epithelium is found in the:
a. digestive system d. urinary system
b. uterine tubes
e. blood vessels
c. respiratory system
45.
The primary function of adipose tissue is to:
a. store fat d. enlarge the breast
b. gain weight e. provide protection
c. support organs
46.
Which of the following is NOT a principal component of neurons?
a. axon d. dendrite
b. neuroglia e. node of Ranvier
e. cell body
47.
Bones of the cranium are classed as:
a. long bones
d. flat bones
b. short bones
e. irregular bones
c. round bones
48.
The end of a long bone is termed:
a.
epiphysis
d. tuberosity
b.
compact bone
e. foramen
c.
diaphysis
49.
The Haversian canal contains a(an):
a.
artery d. "a" and "b" of the above
b. vein e. all of the above
c. nerve
50.
Periosteum is an example of which of the following membranes?
a. serum
d. fibrous
b.
mucous
e. cutaneous
c.
synovial
51.
Compact bone is organized into:
a.
trabeculae
d. osteons
b.
marrow
e. epiphyses
c.
diploe
52.
Spongy bone is also called:
a.
dense bone
d. cancellous bone
b.
compact bone
e. brittle bone
c. solid bone
53.
When an axon reaches threshold:
a.
potassium ions rapidly enter the cell
b.
permeability to both potassium and sodium ions decreases
c.
initially sodium ions rapidly enter the cell
d. initially chloride ions leave the cell
e. ionic movement ceases
54.
The propagation or conduction of the action potential
along a nerve fiber is called the:
a.
nerve impulse
d. stimulus
b.
membrane potential
e. sodium/potassium pump
c. resting potential
55.
During its absolute refractory period, a membrane's sensitivity to
stimulation is:
a.
insensitive
d. very sensitive
b.
hypersensitive e. nonsense
c.
normally sensitive
56.
57.
The active structure of the nerve cell for impulse
conduction is the:
a.
cell membrane d. Golgi body
b. mitochondria e. Schwann cell
c. nucleus
The articular cartilage of a typical long bone is composed of:
a.
hyaline cartilage d. osseous cartilage
b.
synovial cartilage e.
elastic cartilage
c.
fibrocartilage
58.
When a neuron reaches threshold and an action potential is generated:
a.
potassium ions rapidly enter the cell
b.
sodium ions rapidly enter the cell
c. the permeability to both potassium and sodium decreases
dramatically
d. sodium ions rapidly leave thcell
e. the cell hyperpolarize
59.
Bone reabsorption is the function of:
a.
chrondrocytes d.
osteoclasts
b.
osteoblasts
e.
lacunae
c.
osteocytes
60.
. Acetylcholine:
a. is secreted by axonic endings
b. facilitates neuromuscular transmissison
c. is released in the synapse of adjacent neurons
d. is synthesized from choline and acetic acid by dehydration
e. all of the above
61.
Which one of the following is NOT a graded potential?
a. action potential d. EPSP
b. generator potential e. IPSP
c. receptor potential
62. Disruption of the resting membrane potential includes:
a. inflow of Na+ and outflow of K+
b. outflow of NA+ and outflow of K+
c. outflow of Na+ and inflow of K+
d. inflow of Na+ and inflow of K+
e. none of the above
63. The body maintains a continuous supply of ATP in the muscle cell by :
a) rapidly forming vitamins within the cell
b) converting creatinephosphate to creatine in the presence of ADP
c) the aerobic conversion of pyruvic acid to lactic acid
d) breaking down proteins
64. During its ___, a neuron responds only to stimuli stronger than a normal
threshold stimulus.
A. relative refractory period
B. hyperpolarized phase
C. period of facilitation
D. synaptic delay
E. absolute refractory period
65. The brain and spinal cord constitute the ___ nervous system.
A. autonomic
B. peripheral
C. central
D. afferent
E. cranial
66. The somesthetic center of the postcentral gyrus is part of the ___ of the cerebrum.
A. frontal lobe
B. temporal lobe
C. insula
D. vermis
E. parietal lobe
67. The hypothalamus plays a role in controlling all of the following except
A. sex drive.
B. hunger.
C. sleepiness.
D. speech.
E. blood pressure
68. Which lobe of the cerebrum is most concerned with vision?
A. the parietal lobe
B. the frontal lobe
C. the occipital lobe
D. the temporal lobe
69.
Which of the following is associated with the flight or fight reaction?
A. pupillary constriction
B. reduced urinary output
C. increased gastric motility
D. glycogen synthesis
E. reduced heart rate
70. The sympathetic nervous system reduces blood flow to
A. the skin.
B. the skeletal muscles.
C. the heart.
D. the lungs.
E. the brain.
71 The cerebral cortex concerned with hearing is in
A. the insula.
B. the occipital lobe.
C. the temporal lobe.
D. the parietal lobe.
E. the frontal lobe.