Unit 1.1 Review (2022-23)

 Based on the graph, which of the following is an accurate claim?

• Sucrase will only be active at temperatures above 37 degrees Celsius.

• Sucrase will only be active at 37 degrees Celsius.

• Sucrase will only be active at temperatures below 37 degrees Celsius.

• Sucrase works best at 37 degrees Celsius, but is active between 31-44 degrees Celsius

Based on the graph, which of the following is a claim that can be made about coal production?

• Coal production will increase over the next 25 years

• Coal production began to significantly decrease after 2009

• Coal production has decreased because of new technology

• Coal production began to significantly decrease after 2004

Which type of microscope would give you this image?

• transmission electron microscope

• dissecting microscope

• scanning electron microscope

• compound microscope

Which type of microscope would give you this image of red blood cells?

• dissecting microscope

• compound microscope

• scanning electron microscope

• transmission electron microscope

Which type of microscope would you use to view this specimen?

SPECIMEN: Measles Virus

2-D Image

Electrons are used to form the image

Purpose: to see the internal (inside) details of the measles virus

• dissecting microscope

• compound microscope

• scanning electron microscope

• transmission electron microscope

Which type of microscope would you use to view this specimen?

SPECIMEN: Measles Virus

3-D image

Electrons are used to form the image

Purpose: to see the surface of the viral envelope

• dissecting microscope

• compound microscope

• scanning electron microscope

• transmission electron microscope

Which of the following statements is correct based on the graph(s)?

• This enzyme will be inactive at a temperature of 10 degrees Celsius.

• This enzyme's optimum temperature is 37 degrees Celsius.

• This enzyme will be active at a temperature of 60 degrees Celsius.

• This enzyme's optimum temperature is 50 degrees Celsius.

Do you agree or disagree with this inference:

"The average pH of the stomach is 1.5-3.5, therefore the enzyme shown in the graph is also found in the stomach."

• FALSE, the enzyme pictured is inactive at a pH of 2.

• FALSE, the enzyme pictured has an optimum pH of 12.

• TRUE, the optimum pH of the enzyme pictured is 2.25

• TRUE, the optimum pH of the enzyme pictured is 8.

Which of the following statements is most accurate according to the graph?

• The Monarch butterfly population increased from 1999 to 2002.

• The Striped Hairstreak butterfly went extinct in 2001.

• In the year 2000 there were more Monarch butterflies than Viceroy butterflies.

• Overall, the populations of butterflies have been steadily increasing in recent years.

Which of the following inferences can be made looking at the table?

• As workout intensity increases, breathing rate increases due to a lack of oxygen in the body.

• As workout intensity decreases, oxygen percentage decreases.

• A person is most likely to have a heart rate of 130 bpm while sitting at rest.

• The measurement of blood lactate follows the same trend as oxygen % during a workout.