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- Question
What happens during the S-phase of the cell cycle?
Options- A. cell division
- B. cell growth
- C. DNA replication
- D. protein and enzyme synthesis
- Correct Answer
- DNA replication
ExplanationS-phase (synthesis phase) is the part of the cell cycle in which DNA is replicated, occurring between G1 phase and G2 phase. Precise and accurate DNA replication is necessary to prevent genetic abnormalities which often lead to cell death or disease.
- 1. Spiders belong to which class of animals?
Options- A. Arachnids
- B. Aves
- C. Gastropods
- D. Anthozoa Discuss
- 2. Some roots, called _________________, arise from an organ other than the radicle.
Options- A. tap roots
- B. stilt roots
- C. fibrous roots
- D. adventitious roots Discuss
- 3. Prawns belong to which family?
Options- A. Crustaceans
- B. Fish
- C. Amphibians
- D. Reptiles Discuss
- 4. Which drug is used as an Anti-Inflammatory?
Options- A. Metformin
- B. Diazepam
- C. Latanoprost
- D. Prednisone Discuss
- 5. Name the respiratory organs of insects
Options- A. Skin
- B. Body Surface
- C. Gills
- D. Tracheae Discuss
- 6. Which of these is a human disease caused by bacteria?
Options- A. TB
- B. Ascariasis
- C. Chickenpox
- D. Common cold Discuss
- 7. Which organelle is the control center of a cell?
Options- A. Nucleus
- B. Cytoplasm
- C. Cell membrane
- D. endoplasmic reticulum Discuss
- 8. Pressure, pain, and temperature receptors in the skin are
Options- A. Exteroceptors
- B. Proprioceptors
- C. Interoceptors
- D. Mechanoreceptors Discuss
- 9. Select the correct statement about oxygen transport in blood
Options- A. A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal
- B. During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2
- C. During conditions of acidosis, hemoglobin is able to carry oxygen more efficiently
- D. Increased BPG levels in the red blood cells enhance oxygen-carrying capacity Discuss
- 10. What is the first thing that alcohol effects?
Options- A. Judgement
- B. Speech
- C. Vision
- D. Balance Discuss
Biology problems
Search Results
Correct Answer: Arachnids
Correct Answer: adventitious roots
Correct Answer: Crustaceans
Correct Answer: Prednisone
Correct Answer: Tracheae
Correct Answer: TB
Explanation:
Bacteria which causes disease are called Pathogenic Bacteria. TB is caused by bacteria.
Some of the diseases caused by bacteria are::
1. Tuberculosis, TB (affects the lungs)
2. Salmonella (causes food poisoning)
3. Whooping cough (affects the lungs)
4. Septic Sore Throat
Correct Answer: Nucleus
Explanation:
Nucleus serves as the control center for cell metabolism and reproduction.
Correct Answer: Exteroceptors
Correct Answer: During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2
Correct Answer: Judgement
Explanation:
Alcohol impairs your judgement. Judgement is in your brain stupid and it impairs your brain.
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