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Bio 210 Mastering Biology Ch. 10 Practice Questions

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This is a comprehensive and detailed practice material that contains questions with correct answers n chapter 10 of mastering biology. *Essential Study Material!!

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10/20/2020 Chapter 10

Chapter 10
Due: 11:59pm on Sunday, October 25, 2020
You will receive no credit for items you complete after the assignment is due. Grading Policy


Chapter 10 Question 6



Part A
Which of the following statements correctly describes a distinction between autotrophs and heterotrophs?

ANSWER:


Cellular respiration is unique to heterotrophs.

Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are
inorganic.

Only heterotrophs require oxygen.

Only heterotrophs have mitochondria.



Correct



Chapter 10 Question 5



Part A
The oxygen released by photosynthesis is produced by which of the following processes?

ANSWER:


the electron transfer system of photosystem II

splitting water molecules

chemiosmosis

the electron transfer system of photosystem I



Correct




Chapter 10 Question 3



https://session.masteringbiology.com/myct/assignmentPrintView?assignmentID=9462781 1/33

,10/20/2020 Chapter 10

Part A
Under what conditions do photosynthesis and cellular respiration occur in most plants?
ANSWER:


Photosynthesis and cellular respiration occur in both the dark and the light.

Photosynthesis and cellular respiration occur only in the light.

Photosynthesis occurs only in the light, and cellular respiration occurs only in the dark.

Photosynthesis occurs only in the light, and cellular respiration occurs in both the dark and the light.



Correct




Chapter 10 Pre-Test Question 7

Part A
Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is _____ during the
Calvin cycle. See Concept 10.1 (Page 191)


Hint 1.
Review the two stages of photosynthesis.


ANSWER:


reduced...reduced

consumed...consumed

reduced...oxidized

consumed...reduced

oxidized...reduced



Correct
During the light reactions of photosynthesis, water is oxidized, and during the Calvin cycle, carbon is reduced.




Chapter 10 Pre-Test Question 3

Part A
The photosynthetic membranes are found in the _____ in plant cells. See Concept 10.1 (Page 189)

https://session.masteringbiology.com/myct/assignmentPrintView?assignmentID=9462781 2/33

,10/20/2020 Chapter 10


Hint 1.

Review thylakoids in your text.


ANSWER:


Golgi apparatus

chloroplasts

endoplasmic reticulum

mitochondria

nucleus



Correct
An elaborate system of interconnected thylakoid membranes segregates the stroma from the thylakoid space in
the chloroplast.




Activity: The Sites of Photosynthesis




Click here to complete this activity.

Then answer the questions.


Part A
Identify the chloroplast.




ANSWER:

https://session.masteringbiology.com/myct/assignmentPrintView?assignmentID=9462781 3/33

, 10/20/2020 Chapter 10


C

D

B

E

A



Correct
This is a chloroplast.



Part B
Identify the stroma.




ANSWER:


D

B

C

E

A



Correct
This is the stroma.



Part C
Identify a thylakoid.




https://session.masteringbiology.com/myct/assignmentPrintView?assignmentID=9462781 4/33

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