Biology EOC Review

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

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Which of the following converts food into energy for the cell?

• vacuole

• mitochondria

• cytoplasm

• cell membrane

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What is something that prokaryotic and eukaryotic cells have in common?

• They have a nucleus. 
• They are multi-cellular. 
• They have DNA. 
• They have organelles that are membrane-bound.

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

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What are the two reactants of cellular respiration?

• C₆H₁₂O₆ & 6CO₂
• 6 CO₂ & 6H₂O
• C₆H₁₂O₆ & 6O₂
• 6CO₂ & 6O₂

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Plant cells are able to produce their own food. This process happens in which structure?

• cell wall

• chloroplast

• mitochondrion

• vacuole

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These diagrams show a variety of cells from the same organism.

How can cells from the same organism have such different shapes and functions?As each cell differentiates, the DNA changes so that each type of cell has different DNA once it reaches maturity.

• As each cell differentiates, the DNA changes so that each type of cell has different

• Mutations in the cells’ nuclei lead to new combinations of DNA, resulting in different shapes and functions in the different types of cells.

• During differentiation, different parts of the DNA in each type of cell are activated, resulting in the different structure and function of the cells.

• During differentiation, different types of cells produce proteins which destroy the nonactive DNA, leading to cell specialization.

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Which statement best explains how sweating during exercise maintains homeostasis?

• It regulates mineral concentrations in cells

• It regulates body temperature

• It maintains water balance

• It maintains sugar balance in cells

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Which statement best explains why animals are considered heterotrophic?

• They are able to produce food through the process of photosynthesis.

• They are able to produce food through the process of respiration.

• They are able to obtain nutrients by decomposing plant and animal tissue.

• They are able to obtain nutrients by consuming other organisms or their products