Biology A - Unit 1 Test

For lipids, the ratio of Hydrogen to Oxygen .

• 1:1

• 2:1

• 3:1

• 4:1

Lipids are composed of

• Amino acids

• Nucleotides

• Monosaccharides

• Fatty acids

This is used for stored energy and make up cell membranes

• Proteins

• Carbohydrates

• Lipids

• Nucleic acids

Which of the following is NOT a function of proteins?

• Catalyzing chemical reactions

• Transporting molecules

• Storing genetic information

• Providing structural support

Which of the following descriptions best describes what a Claim is?

• A possible answer to a question or problem

• A signal to which a living thing reacts

• Conditions inside living organisms are kept within certain limits

• The basic unit of life

What minimum amount of Evidence should you gather to support a Claim?

• None

• Some

• A lot

• All available

Which of the following statements includes Reasoning?

• The scientific method is a process used to investigate the natural world

• The scientific method begins with making observations and asking questions

• If your hypothesis is not supported by your data, you should revise your hypothesis

• The independent variable is the variable that is manipulated in an experiment

Which of the following connects the evidence to the claim with background information or scientific knowledge?

• Hypothesis

• Conclusion

• Reasoning

• Data

Which of the following statements is an example of Evidence?

• The sky is blue

• The temperature is 25 degrees Celsius

• The plant grew 5 centimeters in height

• The pH of the solution is 7

The scientific method is

• A process used to investigate the natural world

• A set of rules to follow in an experiment

• A way to prove a hypothesis

• A method used only in biology