Here are the answers to the questions based on your provided options:
Question 1: What is the main difference between a hypothesis and a theory in scientific research?
Answer: A hypothesis is a tentative explanation that can be tested by experiments, while a theory is a well-substantiated explanation based on a body of evidence.
Question 2: What part of the scientific method is most likely to lead to changes in a theory?
Answer: Results
Question 3: What is the primary building block of proteins?
Answer: Amino acids
Question 4: What is the main function of enzymes in biological systems?
Answer: To speed up chemical reactions
Question 5: What is the main function of carbohydrates in the body?
Answer: Provide energy
Question 6: Viruses are often considered non-living entities because they
(Note: The original question is incomplete, please provide options if available for the correct answer.)
Question 8: Which systems are primarily involved in protecting the body from pathogens?
Answer: Immune and integumentary
Question 9: A virus that is actively copying its nucleic acid and then bursting the host cell is undergoing what type of reproduction?
Answer: Lytic
Question 10: Place the following phases of mitosis in chronological order from beginning to end.
(Note: The specific phases are not provided; please list them for proper ordering.)
Question 11: During which phase of the cell cycle does DNA replication occur?
Answer: S phase
Question 12: The movement of water molecules from an area of higher concentration to an area of lower concentration is called osmosis.
Question 13: The phase of mitosis characterized by the lining up of chromosomes along the middle of the cell is known as metaphase.
Question 14: Which organelle is primarily responsible for photosynthesis in plant cells?
Answer: Chloroplast
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