1. A woman claims to have been assaulted by three men. Evidence was collected from the victim. Statements were taken from each of the three suspects and the victim. DNA samples were also collected from each person. The suspects were arrested and charged with the crime. The case proceeded to trial. Which was the role of forensic scientists in this scenario?

A) charging the suspects and proceeding to trial

B) taking statements

C) arresting the suspects

D) collecting evidence from the victim and the suspects


2. The bullet from a suspect's pistol did not match the bullet found in a murder victim. There was blood on the carpet around the murder victim, but none on the suspect. The suspect's car was seen at the residence of the victim on the night of the murder. Carpet fibers from the room where the victim was found matched those found on the suspect. Based on Locard's principle, which is a correct conclusion and why?

A) The suspect was at the house because witnesses saw his car.

B) The suspect killed the victim with his gun.

C) The suspect killed the victim, which is known because carpet fibers on the suspect matched those in the room where the victim was found.

D) The suspect was in the room where the victim was found because of the matching carpet fibers.


3. A woman was found strangled in the basement of her home where she lived with her husband. The crime scene was processed and investigators left. The next day, the medical examiner reported that a scalloped, woven belt was used to strangle the victim. The police want to search the house again to look for such a belt. Which statement is true?

A) The police need to get a search warrant, according to Michigan v. Tyler.

B) The police do not need a warrant, according to the Third Amendment to the U.S. Constitution.

C) The police need to get a search warrant, according to Daubert v. Merrell Dow Pharmaceuticals.

D) The police do not need a warrant because the house is still a valid crime scene, according to Mincey v. Arizona.


4. A man was robbed in an alley outside a busy restaurant. He was assaulted with a baseball bat that was left at the scene. There were bloody footprints leading away from him. He was treated by paramedics and taken to a hospital. Two witnesses saw the robbery. The suspect fled the scene. Which task should be done by detectives?

A) take photographs of the scene including the bloody footprints

B) secure the crime scene

C) interview the witnesses

D) collect the bat and the blood samples


5. Which describes the activity of an arson investigator?

A) determining the angle of a bullet shot from an assassin

B) identifying the cause of death

C) reconstructing an explosion or fire

D) identifying the clothing found in a crime scene


6. What was the contribution of Calvin Goddard to forensic science?

A) He wrote the first book on questioned document examination to determine forgeries.

B) He invented the comparison microscope.

C) He refined the process of comparing bullets to make ballistic comparisons.

D) He was the first westerner to perform an autopsy.


7. A witness is scheduled to testify about a new unpublished procedure for detecting gases from dead bodies. The judge summarily rules that the witness cannot testify because the procedure has not been accepted by the scientific community. Which precedent is this ruling based on?

A) Frye standard

B) Miranda standard

C) Daubert ruling

D) Kumho standard


8. Which is NOT a duty of a first responder when arriving at a crime scene?

A) immediately take evidence photographs

B) locate witnesses

C) render aid and assistance

D) secure the crime scene


9. Who has most likely previously been a uniformed police officer?

A) detective

B) district attorney

C) coroner

D) forensic investigator


10. Who initially determines the time of death at a crime scene?

A) paramedic

B) police officer

C) coroner

D) detective


11. What is the first duty of the crime scene photographer?

A) take overall photos of the undisturbed crime scene

B) secure the crime scene

C) take photos of the witnesses

D) take close-up photos of the evidence


12. Which is necessary when setting up oblique lighting to reveal details of a tire track?

A) flash attached to a camera

B) external light source

C) ultraviolet light source

D) infrared light source

Answer:

1. D) collecting evidence from the victim and the suspects

2. D) The suspect was in the room where the victim was found because of the matching carpet fibers.

4. D) collect the bat and the blood samples

5. C) reconstructing an explosion or fire

6. C) He refined the process of comparing bullets to make ballistic comparisons.

7. A) Frye standard

8. B) locate witnesses

9. D) forensic investigator

10. A) paramedic

11. A) take overall photos of the undisturbed crime scene

12. C) ultraviolet light source

At present, only a very small proportion of genetically modified foods must be labelled. Some consumer advocates are urging the federal government to label all foods that contain genetically modified material, so that consumers may choose whether to purchase them or not. What are you views?

which of the following is a cause of a DNA mutation?

what do we call the outer layer of the nucleas?

4. Which of the following are parts of the amniotic reptile egg? (Choose all that apply) amniotic fluid albumen water space shell membrane​

Look on the box that says ‘show genotype’. What is the genotype of the offspring

What is the only cephalopod with an external shell?
A. nautilus
B. cuttlefish
C. squid
D. octopus

Which source of renewable energy is the most location-dependent in its production?
hydroelectric
geothermal
wind
solar

HELP THIS IS REALLY SERIOUS I NEED HELP AHHH I DONT WANT TO FAIL!! question:Those who support the alien theory believe that the ancient Egyptians were very primitive. What evidence about the ancient Egyptians suggests that this claim is inaccurate? Check all that apply. They built the Seven Wonders of the Ancient World. They invented an early version of the wheel. They had a well-developed agricultural system. They raised domesticated animals. They developed a writing system. They used early forms of tools.

What happens when a coral pushes out the algae that live there?
coral cooling
coral bleaching
algae bloom
coral warming

What happens to the trees in the taiga as global temperatures rise?
They grow bigger and use more resources.
They lose their needles in the winter.
They grow farther up the mountains.
They grow farther down the mountains.

Most skin, hair, and nail fungal infections (including ringworm) are caused by ______.

Select one:

a.
dermatophytes


b.
viruses


c.
prokaryotes


d.
bacteria

Why are microorganisms used to produce enzymes?

If possible, focus on the production of pharmaceutical enzymes via microorganisms, but a general explanation is sufficient as well.

The Smokey the Bear campaign attempted to suppress and eliminate wildfires from forested areas altogether. Explain how fire suppression can negatively impact the health of a forest ecosystem?

Explain the scientific interpretation of the fossils found in the cradle of humankind.

ASAP PLS There are lots of big words in genetics! One way to start thinking about the process of meiosis is to ask yourself some questions.

If two parents are contributing genetic material to their offspring, why don’t the genes and chromosomes double in each generation?

If each parent has two sets of genes and chromosomes, why do their offspring receive only one set from each parent?

look at the picture ​

The hydrogen ion reservoir is located in the ____________________ and ATP synthesis occurs in the ____________________. In order to facilitate reproduction, independent of cell division, both of these organelles have _________________________ and _________________________.

Front legs of a cat and the arms of a human share a bone structure that suggests a common evolutionary lineage. Therefore these skeletal structures are

Which of the following describes the impact on human health from global climate change?

A) Excess greenhouse gases will cause competition among vectors for hosts, and the vectors will die off.
B) Global climate change will result in the warming of cooler regions and will increase the spreading of disease.
C) Melting glaciers will keep regions too cold and prevent vectors from migrating to these regions.
D) Warmer climates will prevent vectors from traveling to new regions and infecting more humans.

Which organelle in the table is correctly matched with its function?

Which fossil fuel needs to migrate into
pockets in order for humans to extract it
from the ground?
A. gold
B. aluminum
C. petroleum
D. uranium

Pick one of the following genetic variations that have occurred in human evolution. Then pick one of the three causes of genetic variation (meiosis, replication errors, environmental impacts) and make a claim as to why you think that particular cause of genetic variation was the cause of the change. Use supporting research and/or data to support your claim.

- Smaller bodies
- Smaller brains
- Smaller teeth and jaws

look at the picture ​

How can you use more renewable sources of energy? Select all that apply.
Use carpools or public transportation.
Stop using all forms of energy altogether.
Grow your own food and buy local products.
Wait for governments to make laws.

In which situation is work being done?
A. A woman lies on the ground.
OB. A boy stands on a chair.
C. A man pushes against a wall.
OD. A girl throws a ball.

Which of the following are an advantage and disadvantage of hydrogen energy use?

Advantage: Hydrogen is easy to store.
Disadvantage: Hydrogen is scarce.

Advantage: Hydrogen allows for zero emissions.
Disadvantage: Hydrogen is difficult to store.

Advantage: Hydrogen is an efficient form of energy.
Disadvantage: Hydrogen allows for pollution to be emitted.

Advantage: Hydrogen fuel has established infrastructure.
Disadvantage: Hydrogen is scarce.

Based on the punnet square above, what is the probability that an offspring from this cross will have a homozygous recessive genotype ?

A. 100%
B. 50%
C. 25%
D. 0%

Name the labeled structure

One would expect well-drained soils to have the highest organic matter contents where the climate is?

what is the primary distinction of being an animal?
A) ability to reproduce
B) having a backbone
C) ability to digest
D) ability to turn sunlight into energy ​