4/9/22, 2:26 PM Graded Exam 6
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BIO250_Saylor_V5 | Unit 24: Genetic Engineering and Recombinant DNA
Started on Saturday, April 9, 2022, 4:16 PM
State Finished
Completed on Saturday, April 9, 2022, 4:35 PM
Time taken 19 mins 2 secs
Grade 81.00 out of 90.00 (90%)
Question 1 Which of the following statements regarding red tides is incorrect?
Correct
4.50 points out Select one:
of 4.50 a. Red tides result from an overgrowth of dinoflagellates.
b. Dinoflagellates produce a toxin that causes paralytic shellfish poisoning.
c. Red tides are also known as harmful algal blooms (HABs).
d. Toxins produced by dinoflagellates are skin irritants.
Question 2
The conversion of gaseous nitrogen (N2) to ammonia (NH4+) occurs during ______.
Correct
4.50 points out Select one:
of 4.50 a. ammonification
b. nitrogen fixation
c. photosynthesis
d. nitrification
e. denitrification
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, 4/9/22, 2:26 PM Graded Exam 6
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Question 3 The warmest area of a lake during the summer is the ______.
Correct
4.50 points out Select one:
of 4.50 a. epilimnion
b. thermocline
c. limnion
d. benthic zone
e. hypolimnion
Question 4
The full extent of the diversity and abundance of life on earth has only been
Correct understood in the past few years as a result of
4.50 points out
of 4.50 Select one:
a. techniques to identify organisms that do not rely on culturing.
b. advances in deep oceanography and deep earth mining engineering.
c. environmental movements to preserve parks, coral reefs, and glaciers.
d. microscopy techniques to identify the vast quantity of viruses present in all
environments.
Question 5
Correct
You are preparing a garden and want to provide the best environment for your
plants. Which of the following would you add to the potting soil?
4.50 points out
of 4.50 Select one:
a. Mycorrhizae inoculant
b. Sulfur oxidizers
c. Coliform bacteria
d. Bacteriophage
This study source was downloaded by 100000824189183 from CourseHero.com on 04-26-2022 12:50:04 GMT -05:00
https://moodle.straighterline.com/mod/quiz/review.php?attempt=4430502 2/8
https://www.coursehero.com/file/143991655/Graded-Exam-6pdf/
0
My Account
BIO250_Saylor_V5 | Unit 24: Genetic Engineering and Recombinant DNA
Started on Saturday, April 9, 2022, 4:16 PM
State Finished
Completed on Saturday, April 9, 2022, 4:35 PM
Time taken 19 mins 2 secs
Grade 81.00 out of 90.00 (90%)
Question 1 Which of the following statements regarding red tides is incorrect?
Correct
4.50 points out Select one:
of 4.50 a. Red tides result from an overgrowth of dinoflagellates.
b. Dinoflagellates produce a toxin that causes paralytic shellfish poisoning.
c. Red tides are also known as harmful algal blooms (HABs).
d. Toxins produced by dinoflagellates are skin irritants.
Question 2
The conversion of gaseous nitrogen (N2) to ammonia (NH4+) occurs during ______.
Correct
4.50 points out Select one:
of 4.50 a. ammonification
b. nitrogen fixation
c. photosynthesis
d. nitrification
e. denitrification
This study source was downloaded by 100000824189183 from CourseHero.com on 04-26-2022 12:50:04 GMT -05:00
https://moodle.straighterline.com/mod/quiz/review.php?attempt=4430502 1/8
https://www.coursehero.com/file/143991655/Graded-Exam-6pdf/
, 4/9/22, 2:26 PM Graded Exam 6
0
My Account
Question 3 The warmest area of a lake during the summer is the ______.
Correct
4.50 points out Select one:
of 4.50 a. epilimnion
b. thermocline
c. limnion
d. benthic zone
e. hypolimnion
Question 4
The full extent of the diversity and abundance of life on earth has only been
Correct understood in the past few years as a result of
4.50 points out
of 4.50 Select one:
a. techniques to identify organisms that do not rely on culturing.
b. advances in deep oceanography and deep earth mining engineering.
c. environmental movements to preserve parks, coral reefs, and glaciers.
d. microscopy techniques to identify the vast quantity of viruses present in all
environments.
Question 5
Correct
You are preparing a garden and want to provide the best environment for your
plants. Which of the following would you add to the potting soil?
4.50 points out
of 4.50 Select one:
a. Mycorrhizae inoculant
b. Sulfur oxidizers
c. Coliform bacteria
d. Bacteriophage
This study source was downloaded by 100000824189183 from CourseHero.com on 04-26-2022 12:50:04 GMT -05:00
https://moodle.straighterline.com/mod/quiz/review.php?attempt=4430502 2/8
https://www.coursehero.com/file/143991655/Graded-Exam-6pdf/
