PBS year end review

What is the effect of height on the size of blood spatter?

• higher = smaller diameter
• higher = larger diameter
• height has no effect on the size of blood spatter
• it is impossible to tell the effect

Which of these could NOT be used to identify a single suspect in a criminal investigation?

• fingerprints
• blood type
• DNA analysis
• all of the above could be used

A variable that is being measured in response to what the researcher is changing is

• the independent variable
• the dependent variable
• the control
• the hypothesis

Tags

NGSS.HS-PS1-3

What enzymes cut DNA in specific places in order to create RFLP's?

• polymerases
• restriction enzymes
• ligases
• DNA cutter enzymes

Which blood component will increase when the body is fighting infection?

• red blood cells
• white blood cells
• platelets
• plasma

What is the term for distinct segments of DNA that differ from person to person?

• Traits
• Chromosomes
• Nucleotides
• Genes

Tags

NGSS.HS-LS3-1

If if an unknown blood sample clumps with anti-A serum and not with anti-B serum, what is the blood type?

• AB
• O
• A
• B

What is NOT an example of personal protective equipment (PPE?)

• Gloves

• Goggles

• Long-sleeved shirt

• Close-toed shoes

What type of evidence can be processed by looking at shape, size, number of lines and minutiae?

• Blood sample
• Hair Sample
• DNA sample
• Fingerprint Sample

A clear prediction of the anticipated results in an experimental design is known as

• an experiment
• a hypothesis
• a conclusion
• a control group

Tags

NGSS.HS-PS1-2