pbs PRACTICE exam final exam with
correct answers
DNA is cut at specific nucleotide sequences by - 🔷ANSWERS 🖊✔✔restriction enzymes
when running a gel electrophoresis, DNA will migrate towards the _____ end because DNA has a ____
charge - 🔷ANSWERS 🖊✔✔positive,negative
what characteristic separates DNA fragments during gel electrophoresis? - 🔷ANSWERS 🖊✔✔length of
fragment
Gel electrophoresis is used to separate the fragments of DNA. The larger pieces of DNA will travel
through the gel - 🔷ANSWERS 🖊✔✔slower than the smaller fragments
A young man has a problem with the insulin receptors on his cell. they are no longer functioning
properly; therefore insulin cannot bind to the receptor. This will lead to - 🔷ANSWERS 🖊✔✔increased
blood sugar
The patient mentioned above has - 🔷ANSWERS 🖊✔✔type 2 diabetes
The hormone released by the pancreas that raises blood sugar levels when they are low is - 🔷ANSWERS
🖊✔✔insulin
A diabetic passes out at a party you are attending. You know that she had exercised earlier in the day and
hadn't eaten since. She is mist likely experiencing - 🔷ANSWERS 🖊✔✔hypoglycemia
Factors that seem to play a role in the development of type 2 diabetes include - 🔷ANSWERS 🖊
✔✔weight, lifestyle, and heredity
, A young patient has an increased thirst and is very fatigued. The doctors tell their patient that their
pancreas is not functioning properly. This patient most likely has - 🔷ANSWERS 🖊✔✔Type 1 diabetes
The insulin/glucose feedback look is an example of - 🔷ANSWERS 🖊✔✔negative feedback
The energy we obtain from our food comes from - 🔷ANSWERS 🖊✔✔storing the glycogen as glucose
You have a big race coming up in a few weeks. As you prepare you are really training hard and need a lot
of energy. The best thing for you to eat during this training session is protein and - 🔷ANSWERS 🖊
✔✔carbs
The heart is made of muscle and has ____ chambers - 🔷ANSWERS 🖊✔✔4
The left atria and ventricle of the heart contain ____ blood and the right atria and ventricle contain
_____ blood. - 🔷ANSWERS 🖊✔✔Oxygenated and deoxygenated
The blood from the left ventricle travels through the ____ valve and then trough the ____ - 🔷ANSWERS
🖊✔✔aortic, aorta
The structures of the heart responsible for preventing blood from flowing in the wrong direction -
🔷ANSWERS 🖊✔✔valves
What is the action of low-density lipoprotein (LDL)? - 🔷ANSWERS 🖊✔✔it causes blockages in the
blood vessels
What is the action of high-density lipoproteins (HDL)? - 🔷ANSWERS 🖊✔✔it keeps cholesterol from
building up in your blood vessels
A diet that helps keep blood cholesterol levels in check includes: - 🔷ANSWERS 🖊✔✔bread, cereals,
and potatoes
correct answers
DNA is cut at specific nucleotide sequences by - 🔷ANSWERS 🖊✔✔restriction enzymes
when running a gel electrophoresis, DNA will migrate towards the _____ end because DNA has a ____
charge - 🔷ANSWERS 🖊✔✔positive,negative
what characteristic separates DNA fragments during gel electrophoresis? - 🔷ANSWERS 🖊✔✔length of
fragment
Gel electrophoresis is used to separate the fragments of DNA. The larger pieces of DNA will travel
through the gel - 🔷ANSWERS 🖊✔✔slower than the smaller fragments
A young man has a problem with the insulin receptors on his cell. they are no longer functioning
properly; therefore insulin cannot bind to the receptor. This will lead to - 🔷ANSWERS 🖊✔✔increased
blood sugar
The patient mentioned above has - 🔷ANSWERS 🖊✔✔type 2 diabetes
The hormone released by the pancreas that raises blood sugar levels when they are low is - 🔷ANSWERS
🖊✔✔insulin
A diabetic passes out at a party you are attending. You know that she had exercised earlier in the day and
hadn't eaten since. She is mist likely experiencing - 🔷ANSWERS 🖊✔✔hypoglycemia
Factors that seem to play a role in the development of type 2 diabetes include - 🔷ANSWERS 🖊
✔✔weight, lifestyle, and heredity
, A young patient has an increased thirst and is very fatigued. The doctors tell their patient that their
pancreas is not functioning properly. This patient most likely has - 🔷ANSWERS 🖊✔✔Type 1 diabetes
The insulin/glucose feedback look is an example of - 🔷ANSWERS 🖊✔✔negative feedback
The energy we obtain from our food comes from - 🔷ANSWERS 🖊✔✔storing the glycogen as glucose
You have a big race coming up in a few weeks. As you prepare you are really training hard and need a lot
of energy. The best thing for you to eat during this training session is protein and - 🔷ANSWERS 🖊
✔✔carbs
The heart is made of muscle and has ____ chambers - 🔷ANSWERS 🖊✔✔4
The left atria and ventricle of the heart contain ____ blood and the right atria and ventricle contain
_____ blood. - 🔷ANSWERS 🖊✔✔Oxygenated and deoxygenated
The blood from the left ventricle travels through the ____ valve and then trough the ____ - 🔷ANSWERS
🖊✔✔aortic, aorta
The structures of the heart responsible for preventing blood from flowing in the wrong direction -
🔷ANSWERS 🖊✔✔valves
What is the action of low-density lipoprotein (LDL)? - 🔷ANSWERS 🖊✔✔it causes blockages in the
blood vessels
What is the action of high-density lipoproteins (HDL)? - 🔷ANSWERS 🖊✔✔it keeps cholesterol from
building up in your blood vessels
A diet that helps keep blood cholesterol levels in check includes: - 🔷ANSWERS 🖊✔✔bread, cereals,
and potatoes
