Investigating the Scene
T/F Polygraphs utilize yes/no questions to limit variability in results
True
The monomer of DNA is _____
Nucleotide
Define homeostasis
maintaining stable internal conditions
What is aseptic technique?
a method to maintain a sterile environment and prevent contamination.
how many liters of saliva does your mouth produce (on average) every day?
1 Liter!!
What is a control in an experiment?
The variable in an experiment that is held constant and remains unchanged. (what you compare to)
What are three components of a nucleotide?
Phosphate group, sugar, nitrogenous base
What is HIPA? Give an example of something that cannot be shared
Health Insurance Portability and Accountability Act. And PHI cannot be shared.
What is a karyotype? How are they organized
a karyotype is a picture of all the chromosomes with their homologous pair. They are arranged by size.
Where is the strongest muscle in your body found (based on size)? bonus if you name the muscle
the masseter, muscle in your jaw. it can close your teeth with a force of roughly 200 lbs!
The outermost section of the hair is known as the ____
Cuticle
What is the purpose of restriction enzymes? What do they do?
They cut DNA at Specific sequences in order to perform DNA analysis/ gene editing.
What is the difference between positive and negative feedback?
positive feedback reinforces the response (taking you further away)
while negative brings you back /reverse
Huntington's disease is a disease with no carriers, what is the most probable inheritance pattern for this disease, why?
dominant. Since there are no carriers, individuals who are heterozygous show the trait. Meaning it would be dominant.
What is my favorite activity to do outside of school? (pick 3)
Hiking
Yoga
When performing the lab test to determine blood type, your sample does not show agglutination in either anti-A or anti-B wells. What is this individual's blood type?
O blood type, individual does not have nay antigens on the blood cell for the antibodies to stick to.
In gel electrophoresis, which direction does DNA move and why?
Which fragments will move through the gel faster?
What is the relationship between energy in food, glucose and ATP?
What is the purpose of meiosis?
The purpose of meiosis is to produce haploid gametes.
Roughly how many species of bacteria be found in the average person's belly button?
67! Talk about biodiversity.
Describe the role of each component of blood and identify their scientific name for the following:
Red Blood Cells
White Blood Cells
Platelets
Erythrocytes: carry oxygen around the body.
Leukocytes: Help fight off foreign invaders
Thrombocytes: Aids in blood clotting
Transcription: DNA -> RNA
Translation: RNA-> Protein
How do insulin and glucagon work to keep your blood glucose levels in homeostasis?
When you eat a meal, insulin gets released. Insulin (hormone) then binds with your target cell, signaling it to open a glucose channel and allow glucose into the cell. This lowers blood sugar.
When you do not eat, your blood sugar decreases, glucagon is then released and travels to the liver where it signals glucose to be released into the blood, raising blood sugar.
Describe the difference between a gram positive and gram negative bacteria, include the structural differences in the bacteria.
Gram positive bacteria turns purple and has a thick layer of peptidoglycan. While gram negative bacteria turns pink, has a think layer of peptidoglycan and and extra outer membrane.
What is my husband's degree? or company he works for
Metallurgical engineering/ Nucor