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BIO100 Exam 2 > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

photosynthesis occurs in __________ and cellular respiration occurs in _____________

A

Chloroplast & Mitochondria

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2
Q

How do cells capture the energy released by cellular respiration?

A

ATP

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3
Q

Cellular respiration equation:

A

C6H12O6+6O2——->6CO2+6H2O+ATP

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4
Q

The processes of photosynthesis and cellular respiration are complementary during these energy conversions some energy is?

A

Saved in the chemical bonds of H20, CO2, & O2

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5
Q

Following are products of cellular respiration?

A

Carbon Dioxide & Water & ATP

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6
Q

If your bowl of cereal contains 200 Cal how many regular calories does it have?

A

kCal: 200,000

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7
Q

During cellular respiration, energy and glucose?

A

Is carried by electrons

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8
Q

In biological systems an important enzyme is?

A

Whatever ends in -ase

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9
Q

A drug is tested in a lab and is found to make holes in both mitochondrial membranes (inner and outer), scientists suspect it will be harmful to human cells because it will inhibit?

A

(Holes in mitochondrial membrane) will affect both the citric acid cycle and phosphorylation.

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10
Q

Which of the following metabolic pathways is common to both aerobic and anaerobic respiration?

A

Glycolysis

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11
Q

As a result of glycolysis, there is a net gain of how many ATP?

A

2 ATP

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12
Q

How many molecules of NADH are produced during one round of glyocolysis?

A

2 NADH

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13
Q

Which of the following is a result of glycolysis (What comes out of glycolysis)?

A

The conversion of glucose to 2 three-carbon compounds.

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14
Q

Which of the following corresponds to pyruvate?

A

Pyruvate forms at the end of glycolysis (Pyruvate is the 2 three-carbon molecules)

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15
Q

The enzymes of the citric acid cycle are located where?

A

the outer mitochondrial membrane

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16
Q

The end products of the citric acid cycle include all of the following EXCEPT:

A

Pyruvate

17
Q

Byproducts (end result) of cellular respiration include:

A

Carbon dioxide & Water

18
Q

Which of the following statements about the energy yield aerobic (needing oxygen) respiration is FALSE?

A

Oxidative phosphorylation results from one glucose molecule and yields 12 ATP molecules. (its 32 ATP)

19
Q

Which of the following produces the most ATP per glucose molecule?

A

Aerobic respiration

20
Q

Some friends try to make wine: they add yeast to a sweet grape juice mixture, after a few days they see the sugar levels have dropped but there is still no alcohol in the mixture. What is the most likely explanation?

A

The mixture needs less oxygen because yeast only produces alcohol in the absence of alcohol.

21
Q

In yeast cells, which is false?

A

alcohol is produced during glycolysis
(NOT LATIC ACID)

22
Q

To obtain energy from starch and glycogen the body must begin by?

A

Hydrolyze both starch and glycogen to glucose

23
Q

When a cell uses fatty acids for aerobic respiration it first hydrolyzes fats into what 2 products?

A

Glycerol and fatty acids

24
Q

What is the process called that converts CO2 and water to an organic compound using energy from light?

A

Photosynthesis

25
Q

What is the name given to organisms that can make their own food?

A

Autotroph (Auto: Self, Troph: Food, makes its own food)

26
Q

Which of the following is an example of a photoautotroph?

A

Grass on the front lawn (has to be plant to make its own food)

27
Q

What do you call an autotroph that uses light for energy?

A

Photoautotroph

28
Q

CO2 Enters and Oxygen Escapes from a leaf via what structure?

A

The STOMA

29
Q

In the cholorplast, sugars are made in a component filled with thick fluid called?

A

STROMA

30
Q

What is a stack of thylakoids called?

A

A Grana

31
Q

Where is chlorophyll found in a plant cell?

A

Thylakoid membrane

32
Q

Oxygen released into the air as a product of photosynthesis comes from?

A

Water

BIO100 Exam 2 (3 decks)

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