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- Question
What happens at the synapse between two neurons?
Options- A. electrical signals are converted into chemical
- B. chemical signals are converted into physical
- C. physical signals are converted into chemical
- D. None of the above
- Correct Answer
- electrical signals are converted into chemical
ExplanationAt the synapse between two neurons, electrical signals are converted into chemical signals. A synapse is the gap between the two neurons.
- 1. Select the correct statement about the uterine cycle.
Options- A. During the secretory phase, estrogen levels are at their highest.
- B. During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone.
- C. If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
- D. The menstrual phase of the cycle is from day 1 to day 8. Discuss
- 2. The arbor vitae refers to
Options- A. the pleatlike convolutions of the cerebellum
- B. cerebellar gray matter
- C. flocculonodular nodes
- D. cerebellar white matter Discuss
- 3. Sponges are most accurately described as
Options- A. marine predators
- B. chemoautrophs
- C. filter feeders
- D. freshwater scavengers Discuss
- 4. Which bacteria cause the greatest harm in the food industry?
Options- A. Recycling
- B. Digestive
- C. Fermenting
- D. Pathogenic Discuss
- 5. Which systems comprise the nervous system?
Options- A. Central nervous system
- B. Peripheral nervous system
- C. Both A & B
- D. None of the above Discuss
- 6. The energy in most ecosystems comes from
Options- A. Water
- B. Carbon dioxide
- C. Sun
- D. Soil Discuss
- 7. Which of the following cells produce antibodies?
Options- A. Plasma cells
- B. Monocytes
- C. Mast cells
- D. Neutrophils Discuss
- 8. The external oblique muscle is named due to its
Options- A. Action
- B. Fiber detection
- C. Location
- D. Attachment points Discuss
- 9. Cholesterol belongs to which class of molecules?
Options- A. Lipids
- B. Carbohydrates
- C. Nucleic acids
- D. Proteins Discuss
- 10. The light reactions of photosynthesis supply the calvin cycle with
Options- A. CO2and ATP
- B. ATP and NADPH
- C. light energy
- D. H2O and NADPH Discuss
Biology problems
Search Results
Correct Answer: If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Explanation:
"If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo." is the only correct statement about the uterine cycle among the options.
Correct Answer: cerebellar white matter
Correct Answer: filter feeders
Correct Answer: Pathogenic
Explanation:
Pathogenic bacteria cause the greatest harm in the food industry.
Correct Answer: Both A & B
Explanation:
The nervous system of the human brain consists of the central nervous system which has brain and the spinal cord and the peripheral nervous system which has perpheral, cranary, spinal nerves.
Correct Answer: Sun
Explanation:
The energy in most ecosystems comes from sun light.
Correct Answer: Plasma cells
Correct Answer: Fiber detection
Correct Answer: Lipids
Explanation:
Cholesterol belongs to lipids class of molecules. Lipids are sometimes called as fats which act as storing energy and structural components of cell membranes.
Correct Answer: ATP and NADPH
Explanation:
The light reactions of photosynthesis supply the calvin cycle with ATP and NADPH.
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