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New PBS 1.1 Review

Total questions: 63

Worksheet time: 38mins

Name
Class
Date
1.

_______ has a single ring structure and is an example of a _______

a)

adenine... purine

b)

thymine... pyrimidine

c)

cytosine.....purine

d)

guanine....pyrimidine

2.
A nucleotide includes...?
a)
pentose sugar
b)
nitrogenous base
c)
phosphate group
d)
all of the above
3.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
4.

Which of the following bases is an example of a purine?

a)

Adenine

b)

Cytosine

c)

Uracil

d)

Thymine

5.

Given the DNA strand GAATTCCTCGAG, what would be the complimentary strand to make a double stranded DNA molecule?

a)

GAATTCCTCGAG

b)

CTTAAGGAGCTC

c)

CAACCGGTAGA

d)

ACCTCGATTCATC

6.

What is structure #3 in the diagram?

a)

nucleotide

b)

phosphate

c)

deoxyribose

d)

nitrogenous base

7.

The base shown on the left side of the diagram is a _____________ and is most likely _______________.

a)

Purine, cytosine

b)

Purine, Guanine

c)

Pyrimidine, Thymine

d)

Pyrimidine, Adenine

8.

If a DNA sample is determined to be composed of 30% Thymine, what is the percentage of cytosine in that same sample?

a)

30%

b)

60%

c)

20%

d)

40%

9.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

10.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

11.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
12.

What group do these bases belong to?

a)

Purines

b)

Pyrimidines

13.

What are the three parts of a nucleotide?

a)

phosphate group

b)

nitrogen base

c)

sugar

d)

fatty acid

14.

What is the monomer of DNA?

a)

amino acid

b)

monosaccharide

c)

nucleotide

d)

fatty acid and glycerol

15.

Which nitrogenous base correctly matches up with guanine?

a)

adenine

b)

thymine

c)

cytosine

16.

Which nitrogenous base correctly matches up with adenine?

a)

guanine

b)

thymine

c)

cytosine

17.

The base shown on the left side of the diagram is a _____________ and is most likely _______________.

a)

Purine, cytosine

b)

Purine, Guanine

c)

Pyrimidine, Thymine

d)

Pyrimidine, Adenine

18.
If if an unknown blood sample clumps with anti-A serum and not with anti-B serum, what is the blood type?
a)
AB
b)
O
c)
A
d)
B
19.
The part of the experiment where the independent variable being tested in not applied so that it may serve as a standard for comparison.
a)
experimental group
b)
independent variable
c)
control group
d)
dependent variable
20.
In an experiment the variable that is manipulated by the researcher is called the
a)
control group
b)
dependent variable
c)
independent variable
d)
hypothesis
21.
There are how many blood types in the ABO system?
a)
2
b)
3
c)
4
d)
5
22.

Blood type AB can accept any type of blood because__________ and so the blood won't agglutinate.

a)

No antigens are present

b)

No antibodies are present

c)

Both antibodies are present

23.

Which image represents Type B blood?

a)
b)
c)
d)
24.

What is the blood type?

a)

O

b)

AB

c)

A

d)

B

25.

Which image represents Type O blood?

a)
b)
c)
d)
26.

Which image represents Type AB blood?

a)
b)
c)
d)
27.

What is the blood type?

a)

B

b)

A

c)

AB

d)

O

28.

What is the blood type?

a)

B

b)

A

c)

O

d)

AB

29.

Which image represents Type A blood?

a)
b)
c)
d)
30.

What is the blood type?

a)

O

b)

AB

c)

A

d)

B

31.

This term describes the outermost layer of hair, it consists of flattened, scale like cells that overlap one another.

a)

Cuticle

b)

Medulla

c)

Cortex

d)

Follicle

32.

You fall down and scrape your knee. Which component of blood would work to clot the blood at the injury site to generate a scab?

a)

Thrombocyte

b)

Plasma

c)

Erythrocyte

d)

Leukocyte

33.

Which of the following is a protein found in red blood cells that carries oxygen?

a)

Uracil

b)

Hemoglobin

c)

Terraglobin

d)

Cytosine

34.

People with Type AB blood are considered the “universal recipient”, meaning that if they are in need of blood, their bodies can accept blood of any other type. Why is this the case?

a)

Persons with Type AB blood produce both anti-A and anti-B antibodies.

b)

Persons with Type AB blood produce neither anti-A and anti-B antibodies.

c)

Persons with Type AB blood produce only anti-B antibodies.

d)

Persons with Type AB blood produce only anti-A antibodies.

35.

True or False: As height increases, blood spatter diameter increases as well.

a)

True

b)

False

36.

If a blood spatter diameter was about 16 mm, at what height would it have fallen from? (Use the best fit line to determine)

a)

60 cm

b)

80 cm

c)

100 cm

d)

120 cm

37.

Which of the following terms represents a molecule that acts as molecular scissors that can cut DNA in specific locations, called recognition sites.

a)

Polymerase Chain Reaction

b)

Gel Electrophoresis

c)

Restriction Enzyme

d)

Restriction Digestion

38.

______________________ is the lab process that allows DNA analysts to separate and compare DNA samples for forensic purposes.

a)

Gel Electrophoresis

b)

Confirmatory Testing

c)

Kastle-Meyer Test

d)

Polygraph Test

39.

True or False: If you reverse the orientation of a gel so that the DNA is loaded into wells closest to the positive electrode, or if you were to switch the leads from the power source so that the charges on either end of the gel box were reversed, your DNA will run off the short end of the gel.

a)

True

b)

False

40.

What is the scientific term for a white blood cell?

a)

Thrombocyte

b)

Platelet

c)

Erythrocyte

d)

Leukocyte

41.

an example of physical evidence is

a)

hair

b)

witness testimony

c)

suspect motive

d)

suspect interview

42.

Time of death is determined by measuring

a)

rigor mortis

b)

pupil dilation

c)

environmental temperature

d)

core body temperature

43.

Bodies will cool faster when

a)

are very large

b)

wearing many layers of clothes

c)

it's cold

d)

all choices

44.

Increases in the height of origin cause

a)

decreases in spatter diameter

b)

increases in spatter diameter

c)

few changes in spatter diameter

d)

the shape of the spatter to change

45.

A DNA strand that reads ATGGC has a complimentary strand that reads

a)

CGGTA

b)

TACCG

c)

GCCAT

d)

ATGGC

46.

Blood from 2 meters from the ground

a)

is 2 cm in diameter

b)

is 1.2 cm in diameter

c)

is not included in the chart

d)

is circular in shape

47.

Which lanes represent DNA from the same person?

a)

1 and 2

b)

2 and 3

c)

1 and 4

d)

3 and 4

48.

Who performs an autopsy?

a)

medical examiner

b)

coroner

c)

crime scene investigator

d)

lead detective

49.

True/false: An autopsy is always performed when a person dies.

a)

true

b)

false

50.

According to HIPAA your information can be shared when

a)

public health is concerned

b)

you are a public figure

c)

your insurance is going over your bills

d)

you visit any medical professional

51.

Study of deleterious effects of chemical agents on all living systems

a)

poisonous

b)

toxicology

c)

hazardous

d)

exposure

52.

This laboratory procedure is known as

a)

CLONING

b)

gel electrophoresis

c)

chromatography

d)

use of a dichotomous key

53.

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to

a)

convert the DNA into gel

b)

cut the DNA into fragments

c)

change the color of the DNA

d)

produce longer sections of DNA

54.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
55.
Which component of blood is responsible for helping to stop bleeding?
a)
platelets
b)
red blood cells
c)
white blood cells
d)
plasma
56.
The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.
a)
red blood cells
b)
white blood cells
c)
plasma
d)
platelets
57.

Are polygraphs admissible in a court case?

a)

Yes

b)

No

58.

Gel electrophoresis separates DNA fragments based on their:

a)

size

b)

bases

c)

sugar

d)

nitrogen

59.

DNA is cut at specific nucleotide sequences by ___.

a)

DNA proteins

b)

gel electrophoresis

c)

RFLPs

d)

restriction enzymes

60.

A clear prediction of the anticipated results of an experiment is called the:

a)

conclusion

b)

data

c)

question

d)

hypothesis

61.

What process is used to amplify the amount of DNA collected from a sample?

a)

Polymerase Chain Reaction

b)

Restriction Fragment Length Polymorphism

c)

Gel Electrophoresis

d)

DNA Profiling

62.

The amount of breaths someone takes per min

a)

Heart Rate

b)

Skin Conductivity

c)

Respiration Rate

d)

Blood Pressure

63.

The amount of times the heart beats per min

a)

Heart Rate

b)

Skin Conductivity

c)

Blood Pressure

d)

Respiration Rate

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