PBS Unit 1
DNA/nucleus
Chromosomes are made of what and are found in the where of cells?
to slow the rate of decomposition
Explain why a forensic pathologist would place a dead body into a freezer?
size (length)
Gel electrophoresis separates molecular products based on what?
electricity
How are the DNA fragments in a gel separated during electrophoresis?
the order (sequence) of nucleotides
If every human's DNA is made of the same four nucleotide bases, then the reason we have differences is what?
to support your conclusion
In experimental design, why is data collection important?
to avoid the risk of exposure to blood borne pathogens
In the Dr. G video clip, she discusses changing from using a scalpel to scissors for the internal examination. Why?
plagiarism
Research from any source including the Internet must be documented correctly to PREVENT what?
height from which the drop fell
The diameter of a blood drop can be used to estimate what?
DNA in the chromosomes
The nucleus is the control center of the cell because it contains what?
independent variable
The one factor in an experiment that the scientist changes in each trial is the what?
core body temperature
Time of death can be determined by measuring what?
external and internal examination
What are the main parts of n autopsy?
we give credit to those whose ideas we borrowed
What is an important reason to document the source information we use?
she was clumsy
What is an inference about Anna Garcia?
amount of blood and body fluids lost
What is one of the first things that are measured during an autopsy?
examine the dead body discover the cause of death determine contributing factors to the cause of death
What is the primary purpose of an autopsy?
Y
What is the shape of an incision made in the chest during an autopsy?
HIPAA
What law allows health care professionals to reveal private patient medical information under specific circumstances?
slower than
When traveling through an agarose gel, larger molecular products will migrate what smaller molecular products
photography
Which of the following is done at a crime scene?
medical examiner
Which of the following positions is typically filled by that of a physician?
it makes it easier to determine sizes of unknown using comparison techniques
Why do scientists load DNA of known sizes into the agarose gel?