Exploring Spanish River Biology Concepts

What is the first step in the scientific method?

• Identify a problem

• Draw a conclusion

• Conduct an experiment

• Form a hypothesis

What is the main purpose of a control group in an experiment?

• To provide a standard for comparison

• To confirm the hypothesis

• To manipulate variables

• To collect data

Which statement best describes a scientific law?

• It is a possible explanation

• It is a proven fact

• It is an educated guess

• It is an observed phenomenon

What is the primary function of carbohydrates?

• Cell structure regulation

• Genetic information storage

• Quick energy release

• Long-term energy storage

What defines a eukaryotic cell?

• Has no genetic material

• Is typically smaller than prokaryotic cells

• Lacks a nucleus

• Contains membrane-bound organelles

Which organelle is responsible for photosynthesis in plant cells?

• Vacuole

• Ribosome

• Chloroplast

• Mitochondria

What is the main function of the cell membrane?

• DNA storage

• Regulating material entry and exit

• Protein synthesis

• Energy production

What is osmosis?

• Movement of water from low to high concentration

• Active transport of ions

• Movement of solutes from high to low concentration

• Movement of water through a semi-permeable membrane from high to low concentration

Which process produces ATP in cells?

• DNA replication

• Cellular respiration

• Photosynthesis

• Protein synthesis

What happens to enzymes at extreme pH or temperatures?

• They produce energy

• They replicate

• They change shape

• They work faster