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Schreiner PBS 1st Semester Final Exam Review Flashcards | StudBud
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Schreiner PBS 1st Semester Final Exam Review
Schreiner PBS 1st Semester Final Exam Review
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1
What determines the shape of a protein?
only the sequence of amino acids
both the sequence and property of amino acids
only the number of peptide bonds in an amino acids
only the sequence of amino acids
2
With negative feedback, when one action increases, the other will
decrease
stay the same
increase
stop
3
The preferred way to determine the validity of experimental data is to have a small test group.
False
True
4
This is a picture of which organic macromolecule?
carbohydrate
protein
lipid
nucleic acid
5
What shape do purines possess?
double ring
chain
single ring
straight polymer
6
Which food contains the most of this organic macromolecule?
butter
tofu
steak
mashed potatoes
7
Is the pedigree for a dominate or recessive trait?
dominant b/c it skips generations
recessive- it is seen in every generation
dominant- it is seen in every generation
recessive b/c it skips generations
8
When blood sugar levels are dangerously low; also known as "diabetic shock"
hemiglycemia
hyperglycemia
homeostasis
hypoglycemia
9
What is the structural difference between a saturated and unsaturated lipid?
saturated fats contain C=H bond(s) causing chains to kink
unsaturated fats are solid at room temp
saturated fats are liquid at room tempsasa
unsaturated fats contain C=H bond(s) causing chains to kink
10
In gel electrophoresis, DNA migrates to the (+/-) pole because of its (+/-) charge.
negative, positive
positive, positive
negative, negative
positive, negative
11
The human dipliod number is
46
23
32
64
12
If a disorder is autosomal recessive, how many copies of the gene do you need to have disorder?
0
2
1
3
13
The correct sequence of protein synthesis is
translation, transcription, replication
replication, transcription, translation
replication, translation, transcription
transcription, replication, translation
14
What type of mutation causes both sickle cell and Tay Sachs disease?
frame-shift
mutation
deletion
substitution
15
What were the pills at the crime scene determined to be?
cocaine
acetaminophen
acetylsalicylic acid
methamphetamine
16
What is a document showing all the sources used to research information?
bibliography
sheets of records
research paper
citation documentation
17
Insulin is a hormone released from the
stomach
kidney
liver
pancreas
18
The most frequently prescribed medicine to treat sickle cell disease is
Hydroxyurea
Lecothyroxine
Hereceptin
Adderall
19
Where are the anti-codons for translations located?
mRNA
Rough ER
tRNA
cytoplasm
20
Organisms with two different alleles for a trait are said to be
heterozygous
hemizygous
homozygous
recessive
21
This test measures for hemoglobin protein determining avg blood conc. for the past 2-3 months
insulin tolerance test
GTT
A1c
Blood test
22
Process of burning food and resulting water temp change to measure energy in food is called
food analysis
Joulistics
Hydrolysis
Calorimetry
23
The passive movement of water against a semi-permeable membrane is called
passive transport
active transport
diffusion
osmosis
24
How many amino acids are involved in the sickle cell mutation?
4
2
3
1
25
The unit in which we measure energy is the
calorie
newton
kilogram
Joule
26
This is the set of standards/practices that guarantees patient privacy in their medical records
PPE
OSHA
HIPAA
27
Complication when ketones or proteins appear in the urinary system is known as
skin complications
kidney complications
ketoacidosis
gastroparesis
28
The doctor who performs an autopsy when death may be accidental or criminal
psychologist
cardiologist
pediatrician
medical examiner
29
Physical evidence recovered from the scene that could contain DNA is/are?
hair
skin cells
all could include DNA
blood
30
This is a picture of which organic macromolecule?
carbohydrate
nucleic acid
protein
lipid
31
Scientists are able to multiply the DNA from a small sample via the process of
gel electrophoresis
Polymerase chain reaction
RFLPs
DNA profiling
32
Chromosome with same allelic genes and genetic loci, arranged in the same order is called
genetic equilivalent
homologous
sex chromosome
ooum
33
This is the measurable variable of an experiment in which we are testing for ??
dependent variable
independent variable
control group
constant
34
The function of WBCs is
carry oxygen
provide hydration
to fight infection
to form blood clots
35
What is the main complication of a person with Sickle Cell disease?
low blood glucose levels
high blood glucose levels
high amounts of oxygen concentrations within the bloodstream
low oxygen concentration in the blood
36
This is the diagram used to make connections between ideas, concepts and/or items?
concept map
concept tool
visual aide
mapping diorama
37
DNA is a polymer of ??
carbohydrates
lipids
fatty acids
nucleotides
38
If a DNA strand is CTAGGT, what is its resulting mRNA strand?
AGCTTG
GAUCCA
GATCCA
GATCCU
39
What is an exam of the body after death with dissection to determine cause of death?
case report
dissection
autospy
examination
40
If 2 parents are carriers for Sickle cell, what is the chance their kid will have the disease?
25%
50%
0%
75%
41
Which of the beakers is isotonic?
left
middle
right
42
The amino acid Valine is
hydrophobic
hydrophilic
43
Amino acids are the sub-units making up this macromolecule
carbohydrates
lipids
nucleic acids
proteins
44
Which combo accurately represents Chargaff's Rule?
A=T; C=U
A=U; C=G
A=T; C=G
A=G; C=T
45
A molecule is found to consist of 32% A, 18% G, 17% C & 33% T; what is it??
double stranded RNA
single stranded DNA
single stranded RNA
double- stranded DNA
46
In a diabetic, if a cell is said to be hypertonic, it is also considered to be
hyperglycemic
homeostasis
isoglycemic
hypoglycemic
47
The four most abundant elements within the human body are
C, H, O, P
C, H, O, N
C, H, O, Na
C, H, O, and water
48
This is the clear prediction of the anticipated results of an experiment?
hypothesis
problem statement
conclusion
observation
49
What is the genotype of a individual affected by sickle cell disease?
Ss
SS
ss
50
Which set of cells represents what will happen if a patient is hyperglycemic?
middle
right
left
51
An organic macromolecule containing 3 fatty acid chains is called?
protein
carbohydrate
lipid
nucleic acid
52
If blood glucose is too low, the pancreas secretes
insulin so the cells will take up more glucose
glucagon to signal breakdown of glycogen to glucose
glucose to bring levels back up
insulin so the liver stores more glucose
53
Which test is used to diagnose anemia?
GTT
gel electrophoresis
and ELISA test
hematocrit
54
These two test can be used to diagnose diabetes
Blood test; A1c
GTT, Insulin Test
Insulin Test, Blood test
GTT, A1c
55
What is the elemental ratio of a monosaccharide?
1 C: 2 H: 1 P
2 C: 2 H: 1 O
1 C: 3 H: 2 O
1 C: 2 H: 1 O
56
The function of platelets
to fight infection
carry oxygen
to form blood clots
provide hydration
57
Which of the following beakers is hypertonic?
right
left
middle
58
DNA is cut at a specific nucleotide sequence by
RFLPs
Restriction Enzymes
DNA proteins
gel electrophoresis
59
This is a picture of which organic macromolecule?
carbohydrate
protein
nucleic acid
lipid
60
What characteristic separates DNA fragments during gel electrophoresis?
The length of DNA fragment
the sequence of base pairs of DNA fragment
the color of the stain used
the shape of the helix
61
What structure on the RBC carries oxygen?
homoglobin
hemmoglobin
globularhemes
the dimple
62
After death, which ambient temperature would lead to the most rapid cooling of a body?
15oF
93oF
77oF
53oF
63
Which of the following is an example of positive feedback
maintaining the body's pH level
contractions during childbirth
glycogen being converted to glucose in the liver
sweating to reduce body temperature
64
Which food would contain the most of this organic macromolecule?
pasta
rice
chicken
peas
65
What is a discrete unit of hereditary info consisting of a specific nucleotide sequence in DNA?
gene
chromosome
cell
helix
66
What is the function of the spleen?
help produce platelets
filter ketones from urine
create new blood cells
filter blood
67
In Type I diabetes
liver cannot convert glycogen
pancreas cannot make insulin
pancreas cannot accept insulin
liver does not make glucagon
68
What is the specialized clothing or equipment worn for protection (as defined by OSHA)?
safety goggles
personal protective equipment (PPE)
gas mask
personal gear/lab coat
69
Genes contain instructions for assembling
purines
fatty acid chains
proteins
nucleosomes
70
A sugar, phosphate, and nitrogenous base together make up a molecule of
carbohydrate
protein
lipid
DNA
71
What is the by-product from a dehydration synthesis reaction?
water
oxygen
salt
glucose
72
A deletions mutation is also called
evolution
a point mutation
a frame-shift mutation
a codon mutation
73
This is the field of science that applies the natural sciences to clinical medicine??
forensics
medical technology
anatomy
biomedical sciences
74
This system moves the body, maintains posture, and produces heat.
digestive system
reproductive system
skeletal system
muscular system
75
This is a picture of which organic macromolecule?
lipid
nucleic acid
protein
carbohydrate
76
Which is true of the hydrophobic region on a protein?
it will behave similarly in both water and oil
it will fold in when exposed to oil
it will stretch out freely in water
it will fold in on itself when exposed to water
77
Why are there two copies of each chromosome within each cell?
both chromosomes are present in the ovum
a normal karyotype does not indicate individual chromosomes
both chromosomes are present in the sperm cell
one comes from mom; one from dad
78
The structure of DNA is in the shape of
wound ladder
sphere
zig zag
double helix
79
This statement best describes the control group.
measures same variable as experiment
all of the above
used for basis of standard and comparison
not manipulated
80
The restriction enzyme HaeIII cuts between
the base pairs TT-CC
the base pairs GG-CC
the base pairs AA-TT
the base pairs GG-AA
81
This body system includes the heart, blood vessels, veins, and arteries.
digestive system
cardiovascular system
reproductive system
skeletal system
82
In a pedigree, a filled in circle represents a(an)
affected male
affected female
unaffected female
unaffected male
83
The function of this cell is to carry O
2
from the blood to the bodily tissues
platelets
Lymphocytes
Erythrocytes
plasma
84
250 lb, 43 y.o. male complains of excess thirst and low energy; doc confirms insulin resistance
This patient is also resistant to glucagon
This patient is Type II diabetic
This patient is Type I diabetic
This patient is having issues with his liver
85
This person provides short term care in route to the hospital
Emergency Room Nurse
911 operator
fire fighter
EMT
86
A food calorie is equilivant to a chemistry calorie
true
false
87
A molecule is found to consist of 32% A, 18% G, 17% C & 33% T; what is it??
DNA
amino acid
RNA
monosaccharide