Test Prep Biology Unit 1

Which of the measurements below is the most accurate?

• Graduated cylinder -80.6 mL

• Erlenmeyer flask - 325 mL

• Beaker - 48 mL

• Beaker - 400 mL

Which piece of glassware is never used for making measurements?

• Graduated Cylinder

• Beaker

• Test Tube

• Flask

Jimmy needs 45mL of motor oil to test his combustion engine. Which tool would give him the most precise measurement.

• beaker

• flask

• test tube

• graduated cylinder

When leaving a movie theater, a person notices that the sidewalk is now wet. If the person assumes it rained during the movie the person is making...

• hypothesis

• inference

• an observation

• prediction

Which of the following terms represents the smallest part of an element that still has the properties of that element?

• cell

• matter

• atom

• molecule

When placed in water, oil does not dissolve and stay separate. This means oil is ______ and________.

• hydrophilic and polar

• hydrophilic and nonpolar

• hydrophobic and polar

• hydrophobic and nonpolar

Life can exist under frozen surfaces in polar seas because....

• water is less dense as a solid

• water is terrific solvent

• water has high surface tension

• water has a high specific heat

If available the body will always digest which macromolecule for energy first?

• lipids

• proteins

• enzymes

• carbohydrates

Tags

NGSS.MS-LS1-7

The macromolecules that would most likely be involved in contracting muscles would be________.

• lipids

• proteins

• enzymes

• carbohydrates

Tags

NGSS.MS-LS3-1

The macromolecules that make up the majority of the cell membrane's structure are___________.

• lipids

• proteins

• enzymes

• carbohydrates

Tags

NGSS.MS-LS1-2