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9 Mar 2019

Hypothesis Testing: What effect do you hypothesize the freeze-thawing will have on the lentils and why? Be sure to support your answer?

What is the function of fermentation? Why does a cell perform fermentation if it does not produce any ATP energy for the cell? Can human cells perform fermentation?

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Jean KeelingLv2

10 Mar 2019

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Related questions

1.Aerobic cellular respiration: In the absence of oxygen â what processes stop? Why do they stop?

2. Do the reactions that are unique to fermentation itself (not the reactions of glycolysis that precede the fermentation-specific steps) provide the cell with additional useful high-energy molecules? Explain briefly. If you answered yes â how many high-energy molecules and what kind? If you answered no â then why does the cell do the fermentation step?

3. Do the cells in your body do fermentation? Explain.

4. When cells use fermentation instead of aerobic cellular respiration, is NAD+/NADH involved in this process? What happens to this molecule? Explain briefly.

5. Your body can harness energy from sources besides carbohydrates like glucose. Briefly explain how proteins and fats can be broken down and funneled into the reactions of cellular respiration.

While Jill and Andre were studying for their Biology exam, Andre said, âAnimals perform cellular respiration and plants perform photosynthesis.â What about Andreâs statement should Jill have told him was incomplete?

Animals also perform photosynthesis.

Plants do not perform photosynthesis.

Animals do not perform cellular respiration.

Plants also perform cellular respiration.

There is nothing incomplete about Andreâs statement.

Question 3

Select one answer.

10 points

Select the incorrect statement regarding respiration and fermentation from the list below.

Respiration produces much more ATP than fermentation

Respiration produces acidic products, fermentation does not.

Both respiration and fermentation use organic molecules.

Respiration uses oxygen, fermentation does not.

Question 4

Select one answer.

10 points

Energy is harvested from which reaction to produce ATP?

Carbon dioxide and water â sugar and oxygen.

Sugar and oxygen â carbon dioxide and water.

Question 5

Select one answer.

10 points

What is the source of energy for photosynthesis?

Light

CO2

Water

Sugar

Question 6

Select one answer.

10 points

One way to explain how cellular respiration and photosynthesis relate to each other is to say that:

Plant cells use the oxygen produced by respiration for photosynthesis.

The oxygen produced by photosynthesis, once released to the environment, is the oxygen able to be used as the electron acceptors for cellular respiration.

Cellular respiration is a series of reduction reactions while photosynthesis is a series of oxidation reactions.

The two processes are not related.

The use of oxygen by plants contributes to the greenhouse effect.

Question 7

Select one answer.

10 points

The calculated net amount of ATP produced from one glucose molecule during aerobic respiration in eukaryotes is

100

Question 8

Select one answer.

10 points

All of the following statements is true of photosynthesis, EXCEPT:

Releases CO2

Releases oxygen

Glucose is produced.

Water is required

Question 9

Select one answer.

10 points

Which of the following is an anabolic pathway?

photosynthesis

cellular respiration

fermentation

all of these processes

Question 10

Select one answer.

10 points

Plant leaves contain many different pigments. What is the purpose of having multiple pigments?

Capture light for photosynthesis at different wavelengths.

To absorb light that may harm the photosynthetic machinery.

To give leaves different colors in the fall.

orchidpig270

i need help on those questions pleae i need the correct answers for my homework so please choose the correct answres and be clear just give me the correct hope because it is important

Question 1

Which answer best describes the main goal of this lab. Hint, you may want to read the entire lab before answering this question.

To analyse fermenation data

To measure the size of gas bubbles in a fermentation tube

To examine yeast cells

To measure the rate of fermentation under several different reaction conditions

Question 2

Yeats are ________________ and have have both a _______________ and _____________.

fungi | cell wall | extra cellular matrix

fungi | cell membrane | cell wall

fungi | cell wall | chloroplasts

animals | cell wall | chloroplasts

Question 3

In which cell organelle of the yeast cell do the many of the reactions of cellular respiration take place?

Question 4

What gas forms the bubble in the fermentation tube?

Question 5

Yeast perform fermentation when oxygen is absent.

True

False

Question 6

When you design your own experiment, which of the following variables will you NOT modify as an independent variable?

sucrose concentration

temperature

yeast cell concentration

oxygen concentration

Question 7

Over what time period will you measure the size of the gas bubble in the fermentation tube?

5min

20min

as long as you decide.

10min

Question 8

What substrate are the yeast cells using for BOTH cellular respiration and fermentation?

Question 9

Which of the following is a product of fermentation in yeast cells?

Question 10

Where in the yeast cell is carbon dioxide produced from fermentation?

inner matrix of mitochondria

mitochondria

nucleus

cytoplasm

Question 11

Bonus: you'll need to look this up.....first find in the lab manual what macromolecule is abundant in the cell wall of yeast cells. Then look up which very different group of organism also has this macromolecule in their exoskeletons. For an answer I'm looking for the name of that group of organism. Write ONE word as your answer in its plural. That word must have 7 letters. Use no punctuation in your answer ONLY the 7 letters in the word.