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- Question
The energy in most ecosystems comes from
Options- A. Water
- B. Carbon dioxide
- C. Sun
- D. Soil
- Correct Answer
- Sun
ExplanationThe energy in most ecosystems comes from sun light.
- 1. 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 Discuss
- 2. 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
- 3. 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
- 4. Sponges are most accurately described as
Options- A. marine predators
- B. chemoautrophs
- C. filter feeders
- D. freshwater scavengers Discuss
- 5. Which bacteria cause the greatest harm in the food industry?
Options- A. Recycling
- B. Digestive
- C. Fermenting
- D. Pathogenic Discuss
- 6. Which of the following cells produce antibodies?
Options- A. Plasma cells
- B. Monocytes
- C. Mast cells
- D. Neutrophils Discuss
- 7. The external oblique muscle is named due to its
Options- A. Action
- B. Fiber detection
- C. Location
- D. Attachment points Discuss
- 8. Cholesterol belongs to which class of molecules?
Options- A. Lipids
- B. Carbohydrates
- C. Nucleic acids
- D. Proteins Discuss
- 9. 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
- 10. Where would rna polymerase attach?
Options- A. Phosphate groups
- B. DNA
- C. Both A & B
- D. None of the above Discuss
Biology problems
Search Results
Correct Answer: electrical signals are converted into chemical
Explanation:
At the synapse between two neurons, electrical signals are converted into chemical signals. A synapse is the gap between the two neurons.
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: 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.
Correct Answer: DNA
Explanation:
RNA polymerase attach to DNA molecule.
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