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- Question
When it comes to cholesterol it is better to have
Options- A. more LDL
- B. more HDL
- C. more cholesterol
- D. a high ratio of LDL to HDL
- Correct Answer
- more HDL
ExplanationHDL stands for high-density lipoproteins.
HDL is called the "good" cholesterol because it carries cholesterol from other parts of your body back to your liver. Your liver then removes the cholesterol from your body.
Hence, when it comes to cholesterol it is better to have more HDL.
- 1. Which statements about viruses are true?
Options- A. HIV contains reverse transcriptase.
- B. A retrovirus contains RNA.
- C. Both A & B
- D. All RNA-containing viruses are retroviruses. Discuss
- 2. Which of the following is a risk factor for osteoporosis?
Options- A. Smoking cigarettes
- B. Drinking alcohol
- C. Both A & B
- D. None of the above Discuss
- 3. What are the four bases that make up DNA? Discuss
- 4. Receptors for hearing are located in the
Options- A. Vestibule
- B. Tympanic membrane
- C. Semicircular canals
- D. Cochlea Discuss
- 5. Skin is an example of what type of tissue?
Options- A. epithelial
- B. connective
- C. nervous
- D. All of the above Discuss
- 6. Process occurs in cytoplasm
Options- A. Glycolysis
- B. Cell division
- C. Both A & B
- D. None of the above Discuss
- 7. Why is RNA necessary to act as a messenger? Discuss
- 8. What base does guanine pair with?
Options- A. Adenine
- B. Thymine
- C. Uracil
- D. Cytosine Discuss
- 9. Cellulose is a major component of the
Options- A. Pythium
- B. Pseudomonas
- C. Xanthomonas
- D. Saccharomyces Discuss
- 10. Which virus is not associated with cancer?
Options- A. Epstein-Barr virus
- B. Papillomavirus
- C. Retrovirus
- D. Hepatitis virus Discuss
Biology problems
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Correct Answer: Both A & B
Explanation:
The statements true about viruses are :
1. The capsid enters the host cell if the virus is enveloped.
2. Enveloped viruses bud from the host cell.
3. HIV contains reverse transcriptase.
4. A retrovirus contains RNA.
Correct Answer: Both A & B
Explanation:
Osteoporosis makes you more likely to loss bone mass and density resulting in fractures. Smoking cigarettes and drinking alcohol can lead to loss bone mass and density. Oseoporosis is more common in women than men.
Correct Answer: A DNA is made up of four bases called Adenine, Thymine, Cytosine and Guanine
Correct Answer: Cochlea
Correct Answer: epithelial
Explanation:
Epithelial tissue is made of layers of cells that cover the surfaces of the body that come into contact with the exterior world, line internal cavities, and form glands.
The four types of tissue in the body are epithelial, connective, muscle, and nervous.
Correct Answer: Both A & B
Explanation:
Most cellular activities will occur in the cytoplasm of the cell. Many metabolic pathways including glycolysis and process such as cell division occurs in the cytoplasm of the cell.
Correct Answer: RNA acts as a messenger in between the DNA and ribosome as it transforms the genetic information from the DNA and as DNA is big and can't fit into the nuclear pores
Correct Answer: Cytosine
Explanation:
In DNA, the chemicals are Adenine, thymine, guanine and cytosine. They always pair as basepairs like Adenine with Thymine and Guanine with Cytosine.
Correct Answer: Pythium
Correct Answer: Retrovirus
Explanation:
In the above given options, Retrovirus is the only virus which is not associated with cancer. Here the viruses which are associated with different types of cancer. They are:
Hepatitis virus which is associated with Liver cancer
Papillomavirus which is associated with Cervical cancer
Epstein-Barr virus which is associated with Burkitt's lymphoma.
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