High School Biology Final

Scientist famous for determining that we have dominant and recessive traits?

• Isaac Newton

• Gregor Mendal

• Thomas Ely

• Albert Einstein

What should you do after completing a lab in which chemicals or biological specimens were used?

• Wipe your hands on your clothing

• Wash your hands with soap and water

• Wipe your hands with a paper towel

• Rub some skin lotion on your hands

What should be done with long hair before starting a lab?

• Do nothing, let it hang freely

• Hold it back with your hand

• Tie it back out of the way

• Use a hat to hold it back

Why are food and drink not permitted during an experiment?

• They could make your lab partner hungry

• They could attract ants and other insects

• They could make your instructor hungry

• They could contaminate the experiment

What is the process by which cells make copies of their DNA called?

• Transcription

• Translation

• Replication

• Mitosis

Answer explanation

The process by which cells make copies of their DNA is called replication. During replication, the DNA molecule unwinds and separates into two strands, then produces two new complementary strands following the rules of base pairing.

How does a hypothesis become a theory?

• A hypothesis becomes a theory once proven true.

• A hypothesis becomes a theory once there are a lot of experiments to support the idea, and none to disprove it.

• A hypothesis cannot become a theory.

Tags

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There are partial charges within a water molecule which cause water to have special properties. This makes water a ________ molecule.

• Polar

• Nonpolar

• Hydrophobic

• Ionic

What makes water a universal solvent?

• It is a polar molecule that can form hydrogen bonds, allowing it to dissolve many substances.

• It is a nonpolar molecule that can form hydrogen bonds, allowing it to dissolve many substances.

• It is a polar molecule with a low specific heat, allowing it to dissolve many substances.

• It is a nonpolar molecule with a low specific heat, allowing it to dissolve many substances.

What is the function of nucleic acids?

• Short Term Energy

• Storing Genetic Information

• Long Term Energy

• Speeding Up Chemical Reactions

Tags

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NGSS.HS-LS3-1

A ______________ is a large molecule.

• Micromolecule

• Polymer

• Amino Acid

• Macromolecule

Tags

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