10/11 Quiz Forensic Science

What are the keys to DNA fingerprinting?

Alleles

In what year was DNA evidence first introduced in a court case that led to a conviction for murder?

1987

What do the letters PERK stand for in regards to crime scene evidence?

Physical Evidence Recovery Kit

The only people on earth who share identical DNA are:

identical twins

The sugar in DNA is

Deoxiyribose

The molecular structure of DNA was deduced by

Both Francis Crick and James Watson

Which of the following is NOT a component of DNA's "backbone?"

Nitrogenous base

Which nitrogenous base is NOT found in DNA?

Uracil

Which of the following depicts correct base-pairing in DNA?

T-A

Somatic cells in humans are considered:

DiploidThis

The building blocks of the DNA molecule are known as

Nucleotides

PCR is a technique that

Can produce many exact copies of segments of DNA

During gel electrophoresis the DNA is:

Separated by fragment size

Buccal cells are obtained from

Mouth and inside of the cheek

Which of the following factors can affect the DNA at a crime scene, making it unusuable for an accurate DNA profile?

a. Mold

b. Bacteria

c. Moisture

d. all of the above

d. all of the above

Use the DNA RFLP pattern of evidence froma rape investigation to answer the following question.The evidence suggests which suspect raped the victim?

The evidence shows that none of the suspects is a match

As the fundamental unit of heredity, genes instruct the body cells to make proteins that determine everything from hair color to susceptibility of disease.

True

DNA replication is accomplished using a technique known as polymerase chain reaction.

True

DNA technology is useful in identification because no two humans, except for identical twins, have the same type of tandem repeats in a strand of DNA.

False

Which statement is not true about CODIS?

a. CODIS stands for the Combined DNA Index System

b. A computer software program developed by the FBI maintaining local, state, and national databases of DNA profiles of all individuals.

c. CODIS is useful to forensic scientists because it allows them to compare DNA types recovered from crime scene evidence to those of convicted criminals.

d. All statements are true

d. All statements are true

Crack is the same thing as Cocaine

False

Alcohol is considered a...

depressant

The CSA classifies drugs by the level of abuse and strength of drug.

False

Marijuana refers to a preparation derived from the plant Cannabis.

True

A drug or chemical whose manufacture, possession, or use is regulated by the government.

controlled substances

Drugs that distort moods, thoughts, and senses

Hallucinogens

Psychoactive drugs that tend to be abused by teens and young adults at bars, night clubs, and raves.

club drugs

Which of the following individuals is responsible for detecting and identifying the presence of drugs and poisons in the body's fluids, tissues, and organs?

Forensic Toxicologist

The chemical substance largely responsible for the hallucinogenic properties of marijuana is knowsn as tetrahydrocannabinal, or THC

False

The Controlled Substance Act established schedules of classification for substances based on the drug's:

a. Potential for dependency

b. Medicinal use/value

c. Potential for abuse

d. all of the above

d. All of the above

Which of the following drug types is characterized by a slowing of the Central Nervous System?

Depressant

Examples of screening tests include color tests and microcrystalline tests.

False

Marijuana resin is known as

Hashish

An example of a Schedule I drug would be:

Marijuana

Three examples of stimulants are crack, cocaine, and ketamine

False flag

When a drug user cannot control their need for the drug, the drug uses has a(an)

Addiction

Ketamine can be classified into 3 different drug categories.

True

Aspirin, allergy medicines, and cough syrup are considered:

OTC drugs

What type of dependence occurs when the drug becomes necessary for the body to function normally?

Physiological

Narcotic drugs are drugs that

Relieve pain

Which of the following drug types is characterized by a state of lethargy or sluggishness, and frequently originates from the poppy plant?

Narcotic

Marijuana is considered a...

Hallucinogen

Which of the following is not considered a Depressant?

Amphetamine

Marijuana is an example of which of the following drug types?

hallucinogen

Stimulants cause the body’s functions to...

Speed up