across
5. water and ______ are products of cellular
respiration
6. step of respiration where acetyl-coa is transformed
into other molecules and carbon dioxide is released
as waste
7. the electron transport chain takes place in this part
of the mitochondria
8. this type of fermentation produces alcohol and
carbon dioxide
10. a type of cellular respiration that takes place in
absence of oxygen and is used to make foods
12. anaerobic first step of cellular respiration
13. energy currency molecule of the cell that provides
energy for cell processes
16. this type of fermentation takes place in animal cells
in the absence of oxygen
18. respiration that occurs in the absence of oxygen

down
1. step of respiration where the most amount of atp is
produced
2. water and carbon dioxide are the ______ of
cellular respiration
3. number of atp molecules produced during
glycolysis
4. respiration that occurs in the presence of oxygen
9. site of glycolysis
11. gaseous reactant of cellular respiration
12. this molecule is broken down in glycolysis
14. glucose and oxygen are the ______ of cellular
respiration
15. the krebs cycle takes place in this part of the
mitochondria
17. the number of carbon dioxide or water molecules
produced by 1 molecule of glucose during cellular
respiration

Question

across
5. water and ______ are products of cellular
respiration
6. step of respiration where acetyl-coa is transformed
into other molecules and carbon dioxide is released
as waste
7. the electron transport chain takes place in this part
of the mitochondria
8. this type of fermentation produces alcohol and
carbon dioxide
10. a type of cellular respiration that takes place in
absence of oxygen and is used to make foods
12. anaerobic first step of cellular respiration
13. energy currency molecule of the cell that provides
energy for cell processes
16. this type of fermentation takes place in animal cells
in the absence of oxygen
18. respiration that occurs in the absence of oxygen

down
1. step of respiration where the most amount of atp is
produced
2. water and carbon dioxide are the ______ of
cellular respiration
3. number of atp molecules produced during
glycolysis
4. respiration that occurs in the presence of oxygen
9. site of glycolysis
11. gaseous reactant of cellular respiration
12. this molecule is broken down in glycolysis
14. glucose and oxygen are the ______ of cellular
respiration
15. the krebs cycle takes place in this part of the
mitochondria
17. the number of carbon dioxide or water molecules
produced by 1 molecule of glucose during cellular
respiration

Accepted Answer

# Brief Explanations:
This is a crossword puzzle related to cellular respiration, which falls under the subfield of Biology (Natural Science). Let's solve some of the clues:

### Across Clues:
- **5. water and ____ are products of cellular respiration**: The products of cellular respiration are water, carbon dioxide, and ATP (energy). But the clue likely refers to the main gaseous waste, so "carbon dioxide" (or "CO₂" but since it's a crossword, the word length matters. Wait, let's check the number of letters. Wait, maybe "ATP" is not, but the main products are CO₂, H₂O, and ATP. Wait, the equation is $ C_6H_{12}O_6 + 6O_2
ightarrow 6CO_2 + 6H_2O + ATP $. So the products are CO₂, H₂O, and ATP. But the clue says "water and ____", so the other product (gaseous) is CO₂. But let's check the number of letters. If the blank is for a word, "carbon dioxide" is long, but maybe "ATP" is not. Wait, maybe the answer is "ATP"? No, ATP is energy. Wait, the main products are CO₂ and H₂O (and ATP). So the clue is "water and ____ are products", so the other product (besides water) could be "carbon dioxide" (but that's 12 letters) or "ATP" (3 letters). Wait, maybe the answer is "ATP"? No, ATP is the energy currency. Wait, the equation: reactants are glucose and oxygen, products are CO₂, H₂O, and ATP. So the products are CO₂, H₂O, and ATP. So the clue "water and ____ are products" – maybe "ATP" is not, but "carbon dioxide" is. But let's check the number of letters. If the blank is, say, 10 letters, "carbon dioxide" is 12. Wait, maybe the answer is "ATP"? No, ATP is the energy. Wait, maybe I'm overcomplicating. Let's move to other clues.

- **6. step of respiration where acetyl - CoA is transformed into other molecules and carbon dioxide is released as waste**: This is the Krebs cycle (or Citric Acid Cycle). The Krebs cycle takes acetyl - CoA, breaks it down, releases CO₂, and produces NADH, FADH₂, and ATP. So the answer is "Krebs" (or "Citric Acid Cycle" but the length: "Krebs" is 5 letters, "Citric Acid Cycle" is long. So likely "Krebs" or "Cycle" but "Krebs cycle" is the step.

- **7. the electron transport chain takes place in this part of the mitochondria**: The electron transport chain (ETC) occurs in the inner membrane of the mitochondria (the cristae, which are folds of the inner membrane). So the answer is "inner membrane" (but the length: "inner" is 5, "membrane" is 8. Wait, the blank: maybe "cristae" (7 letters) or "inner membrane". Wait, the ETC is in the inner mitochondrial membrane (the cristae are the folds of the inner membrane). So the answer is "inner membrane" (but the number of letters. If the blank is, say, 11 letters, "inner membrane" is 11. Or "cristae" (7).

- **8. this type of fermentation produces alcohol and carbon dioxide**: This is alcoholic fermentation (used by yeast, bacteria). So the answer is "alcoholic" (or "ethanol" but "alcoholic fermentation" is the process. So the answer is "alcoholic" (or "ethanol" but the type is "alcoholic" fermentation).

- **10. a type of cellular respiration that takes place in absence of oxygen and is used to make foods**: This is fermentation (lactic acid fermentation is used in making yogurt, alcoholic in making bread, beer). So the answer is "fermentation" (or "lactic acid" or "alcoholic" but the clue says "used to make foods" – lactic acid fermentation makes yogurt, cheese; alcoholic makes bread, beer. So the type is "fermentation" (or "lactic" or "alcoholic").

- **12. anaerobic first step of cellular respiration**: This is glycolysis. Glycolysis occurs in the cytoplasm, doesn't require oxygen, and is the first step of both aerobic and anaerobic respiration. So the answer is "glycolysis".

- **13. energy currency molecule of the cell that provides energy for cell processes**: This is ATP (adenosine triphosphate). So the answer is "ATP".

- **16. this type of fermentation takes place in animal cells in the absence of oxygen**: This is lactic acid fermentation (muscle cells produce lactic acid during anaerobic respiration). So the answer is "lactic acid" (or "lactic") fermentation.

- **18. respiration that occurs in the absence of oxygen**: This is anaerobic respiration (or fermentation, but anaerobic respiration includes fermentation). So the answer is "anaerobic".

### Down Clues:
- **1. step of respiration where the most amount of ATP is produced**: This is the electron transport chain (ETC) in aerobic respiration. The ETC produces the majority of ATP (32 - 34 ATP per glucose molecule). So the answer is "electron transport chain" (or "ETC" but the length: "electron transport chain" is long, maybe "ETC" but in words, "electron transport" or "transport chain".

- **2. water and carbon dioxide are the ____ of cellular respiration**: From the equation $ C_6H_{12}O_6 + 6O_2
ightarrow 6CO_2 + 6H_2O + ATP $, water and carbon dioxide are the products. So the answer is "products".

- **3. number of ATP molecules produced during glycolysis**: Glycolysis produces 2 ATP molecules (net gain; 4 are produced, 2 are used, so net 2). So the answer is "2" (or "two" but in numerals or words. If the blank is for a number, "2" or "two".

- **4. respiration that occurs in the presence of oxygen**: This is aerobic respiration. So the answer is "aerobic".

- **9. site of glycolysis**: Glycolysis occurs in the cytoplasm of the cell. So the answer is "cytoplasm".

- **11. gaseous reactant of cellular respiration**: The reactants are glucose (solid) and oxygen (gas). So the gaseous reactant is "oxygen" (or "O₂").

- **12. this molecule is broken down in glycolysis**: Glycolysis breaks down glucose into pyruvate. So the answer is "glucose".

- **14. glucose and oxygen are the ____ of cellular respiration**: From the equation, glucose and oxygen are the reactants. So the answer is "reactants".

- **15. the Krebs cycle takes place in this part of the mitochondria**: The Krebs cycle occurs in the matrix of the mitochondria. So the answer is "matrix".

- **17. the number of carbon dioxide or water molecules produced by 1 molecule of glucose during cellular respiration**: From the equation $ C_6H_{12}O_6 + 6O_2
ightarrow 6CO_2 + 6H_2O + ATP $, 6 molecules of CO₂ and 6 molecules of H₂O are produced per glucose molecule. So the answer is "6" (or "six").

Let's summarize some key answers:

- Across 5: products are CO₂, H₂O, and ATP. So "water and ____" – if we consider the gaseous product, "carbon dioxide" (but length? Maybe "ATP" is not, but the main products are CO₂ and H₂O. Wait, the equation: reactants are glucose and O₂, products are CO₂, H₂O, and ATP. So the clue is "water and ____ are products" – the other product (besides water) is "carbon dioxide" (or "CO₂" but as a word, "carbon dioxide" is long. Alternatively, "ATP" is the energy product. Maybe the answer is "ATP"? No, ATP is the energy. Wait, maybe the answer is "carbon dioxide". Let's assume the blank is for "carbon dioxide" (but length: if the blank is 10 letters, "carbon dioxide" is 12. Maybe the answer is "ATP"? No, ATP is 3 letters. Maybe the clue is referring to the energy product, so "ATP". But I'm not sure. Let's check the number of letters. If the blank is, say, 3 letters, "ATP" fits. So maybe "ATP".

- Across 6: "Krebs" (5 letters) or "Cycle" (5 letters) or "Krebs cycle" (but the step is the Krebs cycle, so "Krebs" or "Cycle".

- Across 7: "inner membrane" (the electron transport chain is in the inner mitochondrial membrane) or "cristae" (the folds of the inner membrane).

- Across 8: "alcoholic" (alcoholic fermentation produces alcohol and CO₂).

- Across 10: "fermentation" (anaerobic respiration used in food production like bread, yogurt).

- Across 12: "glycolysis" (anaerobic first step).

- Across 13: "ATP" (energy currency).

- Across 16: "lactic" (lactic acid fermentation in animal cells).

- Across 18: "anaerobic".

- Down 1: "electron transport chain" (or "ETC" but as a word, "transport" or "chain".

- Down 2: "products".

- Down 3: "2" (net ATP from glycolysis).

- Down 4: "aerobic".

- Down 9: "cytoplasm".

- Down 11: "oxygen".

- Down 12: "glucose".

- Down 14: "reactants".

- Down 15: "matrix".

- Down 17: "6".

These are the key answers to the crossword puzzle related to cellular respiration, which is a topic in Biology (Natural Science subfield).
# Answer:
Here are some key answers for the crossword:

- Across 5: carbon dioxide (or ATP, depending on the number of letters)
- Across 6: Krebs (or Cycle)
- Across 7: inner membrane (or cristae)
- Across 8: alcoholic
- Across 10: fermentation
- Across 12: glycolysis
- Across 13: ATP
- Across 16: lactic
- Across 18: anaerobic
- Down 1: electron transport chain (or ETC)
- Down 2: products
- Down 3: 2
- Down 4: aerobic
- Down 9: cytoplasm
- Down 11: oxygen
- Down 12: glucose
- Down 14: reactants
- Down 15: matrix
- Down 17: 6

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QUESTION IMAGE

Question

Explanation:

Across Clues:

Answer: