When comparing a micropipette, a graduated cyclinder, and a beaker which instrument would be the MOST ACCURATE at reading the volume of a liquid? (For the exam, please be able to identify each of these laboratory instruments and their functions)

Which mnemonic do we use to convert metric units? (This will not be given to you for the test. You have to have it memorized)

A bottle of water contains 1.5 liters of water. How many milliliters is this?

A researcher studies how the number of tigers seen during a safari affects a person’s average heart rate. What is the independent variable?

You need to pipette 150 µL of a solution. Which micropipette should you use?

As magnification increases, what happens to depth of field and field of view?

Based on the photo, what is the volume of the liquid in mL? (Make sure you can convert mL to uL. That's usually a follow-up question)

What is this piece of lab instrument called?

What is this piece of laboratory equipment called? It measures volume in which units?

In the Daphnia experiment, what was the solution used to decrease the Daphnia's heartrate?

In the Daphnia experiment, what was the solution used to increase the Daphnia's heartrate?

In the Daphnia experiment, what were you viewing on the microscope to gather your data?

Which indicator did we use to test for the presence of starch?

Look at the measurements recorded by each student across three trials. Based on the data, which student demonstrates the highest accuracy? Assume that the average value is around 10. (Really think about your answer. & the difference between accuracy and precision.) You will have a question similar to this one on your practical.)

Which enzyme is responsible for breaking down starch into maltose?

In a daphnia heart rate experiement, a student records the following heartbeats in three trials over a 15-second period. Trial 1 was 40 beats per 15 seconds. Trial 2 was 38 beats per 15 seconds, and Trial 3 was 42 beats per 15 seconds.

Calculate the average beats per minute

A scientist is observing a group of butterflies in a garden. They record the different colors of the butterflies and describe their wing patterns.

Based on this scenario, which type of data is being collected?

How much 40% stock solution is needed to make 20 mL of a 10% solution, and how much water needs to be added to reach the final volume?

Use the dilution formula

C1​V1​=C2​V2​

How much 10% stock solution is needed to make 100 uL of a 5% solution, and how much water needs to be added to reach the final volume?

Use the dilution formula

C1​V1​=C2​V2​

What is the MORPHOLOGY and GRAM REACTION for the bacteria in the image?

Do bacteria have prokaryotic or eukaryotic cells?

Which of these is smaller?

Match the following organism with their name, domain, and kingdom

Match the following organism with their name, domain, and kingdom

Match the following organism with their name, domain, and kingdom

Identify the Daphnia's heart

What is 0.00283 in scientific notation form?

What is 0.00049 in scientific notation form?

Calculate the total magnification if you are using the scanning lens (4x).

During the Daphnia experiment, what was the independent variable?

Which of the following are ways to determine if an enzyme is working? (Select all that apply.)

Are the bacterial cells pictured gram-positive or gram-negative?

What is the morphology of this bacteria?

Are bacterial cells prokaryotic or eukaryotic?

Are fungal cells prokaryotic or eukaryotic?

Are human cheek cells prokaryotic or eukaryotic?

Are plant cells prokaryotic or eukaryotic?

Bradford Reagent has been added to each of these test tubes. What is this reagent an indicator for?

Bradford Reagent has been added to each of these test tubes. Identify the test tube with the highest protein concentration.

Identify the cell (plasma) membrane for this plant cell

Identify the cytoplasm for this plant cell

Identify the chloroplast for this plant cell

Identify the cell wall for this plant cell

If a solution has 0% absorbance, what is the transmittance?

In regards to acids and bases, increasing the hydrogen ion concentration would make a solution more ____

In regards to acids and bases, increasing the hydroxide ion concentration would make a solution more ____

Which of the following reagents is used to detect the presence of reducing sugars?

There are two ways of testing an enzyme's activity. One way is to observe if there was a decrease in substrate. The other way is to observe if there was an increase in product. Which of the following reagents is used to detect a decrease in substrate?

There are two ways of testing an enzyme's activity. One way is to observe if there was a decrease in substrate. The other way is to observe if there was an increase in product. Which of the following reagents is used to detect an increase in product?

What is the optimum temperature (in degree C) for most enzymes in humans? 

Plasmolysis refers to the: 

The beaker on the left shows an experimental set up at the start of the experiment. The beaker on the right side shows the results of the experiment after 15 minutes. Lugol's in the image refers to Lugol's Iodine.

Based on the observation, explain what caused the dialysis bag to change color? 

As temperature increases, what happens to the rate of diffusion?

Based on their masses, which dye would you expect to diffuse the slowest?

If HCl is added to a substance will it increase or decrease the pH? Does this make the pH more acidic or basic?

If NaOH is added to a substance will it increase or decrease the pH? Does this make the pH more acidic or basic?

Use this standard curve to determine what the protein concentration would be at an absorbance of 0.35 (350 nm).

Enzymes need certain environmental conditions in order to function properly.   

What happens when enzymes are heated to a high temperature? 

Convert 3000 g to kg

Interpret the results of the Iodine indicator test. Which macromolecule will give us a positive result for this test? 

Based on this table, which of the following is the better buffer?

The graph above shows the buffering capacity of Buffer A and Buffer B when acid or base is added. Which buffer is the better buffer?