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- Question
Humans cannot digest cellulose because they
- Correct Answer
- Humans cannot digest cellulose because they are lacking with the enzymes responsible to breakdown the beta acetal linkages
- 1. Select the correct statement about immune system?
Options- A. The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins
- B. The most common form of immunodeficiency is graftversushost (GVH) disease
- C. Severe combined immunodeficiency (SCID) disease is an acquired condition
- D. Hodgkin's disease is a hereditary immunodeficiency found in children Discuss
- 2. Yeast used in making bread is a
Options- A. Fungus
- B. Bacteria
- C. Seed
- D. Plant Discuss
- 3. Which of the following vitamins is synthesized by intestinal bacteria?
Options- A. Vitamin B
- B. Vitamin A
- C. Vitamin D
- D. Vitamin K Discuss
- 4. Where are the taste receptors located?
Options- A. epiglottis
- B. upper esophagus
- C. tip of the tongue
- D. All of the above Discuss
- 5. Homeostasis is the condition in which the body maintains
Options- A. a relatively stable internal environment within limits
- B. a changing state within an unlimited range
- C. the lowest possible energy usage
- D. a static state with no deviation from preset points Discuss
- 6. Dysfunctional behaviors are maladaptive which means that they
Options- A. are medicated
- B. interfere with everyday life
- C. cause of stress
- D. all of the above Discuss
- 7. A sudden loss of memory is a symptom of
Options- A. Alzheimer's
- B. Dementia
- C. Amnesia
- D. None of the above Discuss
- 8. Some niacin is formed in the body from
Options- A. Liver
- B. Skin
- C. Appendix
- D. None of the above Discuss
- 9. Part of the plant where photosynthesis generally occurs
Options- A. roots
- B. leaves
- C. branches
- D. flowers Discuss
- 10. Produces a usable form of energy for the cell
Options- A. Lysosomes
- B. Vacuoles
- C. Mitochondria
- D. Ribosomes Discuss
Biology problems
Search Results
Correct Answer: The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins
Explanation:
Among the given options, the correct statement about immunodeficiency is "The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins".
Correct Answer: Fungus
Explanation:
Yeast used in making bread is a Fungus.
Correct Answer: Vitamin K
Explanation:
Most of the Vitamin K is synthesized by intestinal bacteria in the large intestine.
Correct Answer: All of the above
Correct Answer: a relatively stable internal environment within limits
Correct Answer: interfere with everyday life
Explanation:
Dysfunctional behaviors are maladaptive which means that they interfere with everyday life.
Correct Answer: Amnesia
Explanation:
A sudden loss of memory is a symptom of Amnesia which is caused by an injury or damage to our brain. In that situation we cannot remember about ourself and our life.
Correct Answer: Liver
Explanation:
Niacin is the name for vitamin(B3).
Liver can produce small amount of niacin from tryptophan.
To produce 1 mg of niacin we require 60 mg of tryptophan.
Correct Answer: leaves
Explanation:
In a plant, photosynthesis generally occurs in the leaves part as leaves have chlorophyll which is used for making food using sunlight.
Correct Answer: Mitochondria
Explanation:
We all know that, Mitochondria is the powerhouse of the cell. In both Plants and animals, it produces a usable form of energy.
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