Bio 101 Review - The Beginning

What is the goal of science?

• To discover facts

• To prove theories

• To gain new knowledge

• To experiment

A logical interpretation based on prior knowledge or experience is a/an

• Inference

• Hypothesis

• Theory

• Law

Which one is NOT a step in the scientific method?

• Analyze data

• Prove a hypothesis

• Research

• Report conclusions

What makes an experiment valid?

• Only one variable is changed

• It proves the hypothesis

• The same results occur every time

• The results are shared with others

What are the 3 different types of variables in a controlled experiment?

• Dependent Variable

• Co-dependent variable

• Controlled variable

• Independent variable

This type of data gathered from observations describes characteristics that can't be counted.

• Quantitative

• Qualitative

• Inferential

• Theoretical

Which of these are characteristics of life?

• Living things use energy

• Living things reproduce

• Living things respond to their environment

• Living things are made of cells

7 is neutral on the pH scale. Which of these is correct?

• Acids are lower,

  Bases are higher.

• Bases are lower,

  Acids are higher.

The four macromolecules are Carbohydrates, Proteins,

• Lipids and Nucleic acids

• Fatty acids and Nucleic acids

• Lipids and Polysaccharides

• Polymers and Enzymes

What do enzymes do?

• Produce energy in chemical reactions

• Speed up chemical reactions

• Start chemical reactions

• Raise the activation energy needed to start a chemical reaction