Biology Semester 2 Final Exam for CK12

Which of the following is a macromolecule? (4)

• protein

• vitamin

• carbohydrate

• nucleic acid

• lipid

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Which of the following contains the instructions for making proteins? (2)

• cell membrane

• mitochondria

• DNA

• nucleus

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Which of the following statements are true regarding cells? (3)

• cells are the basic unit of structure and function in all living things

• organisms can be unicellular or multicellular

• cells are a larger unit than a tissue

• cells are specialized to do a particular job in a unicellular organism

• animal and plant cells are eukaryotic

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Which organelles or cell parts are in all cells? (3)

• DNA

• vacuole

• cell membrane

• cytoplasm

• cell wall

Proteins are made on which of the following organelles? (1)

• Nucleus

• Golgi Apparatus

• DNA

• Ribosome

• Mitochondria

The basic needs of all cells include which of the following? (3)

• Obtain matter and energy from their environment

• Respond to their environment

• Use sunlight for energy

• Maintain Homeostasis

• Move from place to place

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Which of the following statements are true in regard to viruses? (3)

• Viruses evolve but do not mutate

• Viruses can contain DNA or RNA

• Viruses are made up of cells

• Viruses have a protein capsid made of a head, a collar, and a tail

• Viruses by numbers are the largest biological entity on Earth

Which type of organic compound is DNA? (1)

• Protein

• Lipid

• Nucleic Acid

• Carbohydrate

Which of the following statements are true when trying to limit the spread of disease? (3)

• Masks are worn to protect us from breathing in viruses

• Cleaning surfaces with alcohol or bleach helps to kill viruses on those surfaces

• Maintaining a healthy immune system by diet and exercise will not help us fight disease

• Hand washing with soap helps us to kill viruses on our skin

• Masks are worn to stop particles containing viruses from being put into the air.

Which of the following is a life function that all cells must be able to maintain in order to survive? (3)

• Moving from one place to another

• Metabolism

• Obtaining matter and energy

• Homeostasis

• Breathing

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