Quarter 2 Unit 2 Test

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Which statement best describes the term theory?

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A student was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experimen

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Which statement best describes the difference between a scientific theory and a scientific law?

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1. Scientists use a _______  to interpret the results of investigations about the structure and behavior of atoms.

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A student notices that sound travels quickly underwater. She develops a _______  that sound will move more quickly through water than it moves through air.

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Students presented the statements shown in the chart. Which student’s statement would best be characterized as a scientific theory?

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Four pieces of evidence collected by scientists are listed above. How did the scientists most likely use these pieces of evidence?

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A big debate in the scientific community revolves around how to classify viruses. A virus is described as having genetic material enclosed inside protein crystal. Many do not classify viruses as living specimens. When inside a living host, they will reproduce to create more viruses. Which aspect of the cell theory are viruses not meeting?

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Which tenet of modern cell theory does this represent?

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The cell theory has advanced from the original three tenets to the addition of the 3 modern tenets with the advancement of technology. The nature of science allows for changes in scientific understanding as new evidence is collected. What technology development was critical for the advancement in the understanding of cells?

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Which statement best describes the role of the Golgi apparatus within the cell?

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Plant cells use sunlight to make their own food. Which structure allows plant cells to perform this function?

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Antibiotics are medicines that slow the growth of disease-causing bacteria. One of the ways that antibiotics work is by interfering with the normal functioning of bacterial ribosomes. How does this interference reduce the rate of bacterial reproduction?

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A molecule is produced within a ribosome in a cell. What most likely happens to the newly formed molecule once it is inside the Golgi apparatus of the cell?

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Cells possess structures that perform specific jobs. Which statement correctly pairs a cell structure with a function it performs in the cells?

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Which reaction helps maintain homeostasis when the body becomes dehydrated?

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Which conclusion is best supported by the presence of ribosomes in prokaryotes and eukaryotes?

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Lungs and capillaries both have porous linings that allow certain substances to move into or out of the structures. Which function do these porous linings most likely serve in living organisms?

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An example of an activity that best contributes to maintaining homeostasis in an organism is

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The shivering mechanism in bumblebees often serves the same purpose as it does in mammals. During which condition will the action of shivering most help a bumblebee to maintain homeostasis?

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The diagram shows a bone and some of its components. Which statement best describes a relationship among some of these components?

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Life functions are performed at many levels of biological organization. Which level of biological organization is the simplest level at which a structure can support life functions?

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Which statement best explains why these cells have structural differences?

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The numbers 1, 2, and 3 in the diagram below represent the different levels of organization in a multicellular organism.

Which chart correctly identifies the levels of organization of 1, 2, and 3?

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After meiosis II, a spermatid cell changes and develops into a mature sperm cell. What process causes this change in structure to optimize the function of the cell?

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Which of the following is most involved in providing structure for a plasma membrane?

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Which statement best describes a function of the proteins embedded in the plasma membrane of cells?

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Which action is prevented by the plasma membrane?

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The presence of cholesterol in the plasma membranes of some animals

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Which of these often serve as receptors or cell recognition molecules on cell surfaces?

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The relative concentration of solute inside and outside a cell can cause water molecules to move across the membrane. Which phrase would be an alternate title to the diagram?

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In the diagram, the cell will because the solution is ___ compared to the contents of the cell.

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Which transport mechanisms require the formation of a vesicle to transport material into or out of a cell?

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A semi permeable membrane is stretched across a chamber filled with water. The membrane is only permeable to water. 60 mg of salt is added to the left side of the chamber. Which of the following will happen?

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Which of the following statements is correct about diffusion?

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The diagram shows two types of cell transport . Which pair of statements best compares the two types of cell transport?

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Which statement best describes how channel and carrier proteins in the plasma membrane are similar?

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Cell membranes inside the cells that line the stomach pump hydrogen ions from areas of low concentration inside the cells to areas of higher concentration outside the cells. Which activity produces the ATP that makes this pumping possible?

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Which statement best describes how active transport differs from passive transport?

1

Which statement best describes the term theory?

A student was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experimen

Which statement best describes the difference between a scientific theory and a scientific law?

Students presented the statements shown in the chart. Which student’s statement would best be characterized as a scientific theory?

Four pieces of evidence collected by scientists are listed above. How did the scientists most likely use these pieces of evidence?

Which tenet of modern cell theory does this represent?

Which statement best describes the role of the Golgi apparatus within the cell?

Plant cells use sunlight to make their own food. Which structure allows plant cells to perform this function?

Antibiotics are medicines that slow the growth of disease-causing bacteria. One of the ways that antibiotics work is by interfering with the normal functioning of bacterial ribosomes. How does this interference reduce the rate of bacterial reproduction?

A molecule is produced within a ribosome in a cell. What most likely happens to the newly formed molecule once it is inside the Golgi apparatus of the cell?

Cells possess structures that perform specific jobs. Which statement correctly pairs a cell structure with a function it performs in the cells?

Which reaction helps maintain homeostasis when the body becomes dehydrated?

Which conclusion is best supported by the presence of ribosomes in prokaryotes and eukaryotes?

Lungs and capillaries both have porous linings that allow certain substances to move into or out of the structures. Which function do these porous linings most likely serve in living organisms?

An example of an activity that best contributes to maintaining homeostasis in an organism is

The shivering mechanism in bumblebees often serves the same purpose as it does in mammals. During which condition will the action of shivering most help a bumblebee to maintain homeostasis?

The diagram shows a bone and some of its components. Which statement best describes a relationship among some of these components?

Life functions are performed at many levels of biological organization. Which level of biological organization is the simplest level at which a structure can support life functions?

Which statement best explains why these cells have structural differences?

The numbers 1, 2, and 3 in the diagram below represent the different levels of organization in a multicellular organism.Which chart correctly identifies the levels of organization of 1, 2, and 3?

After meiosis II, a spermatid cell changes and develops into a mature sperm cell. What process causes this change in structure to optimize the function of the cell?

Which of the following is most involved in providing structure for a plasma membrane?

Which statement best describes a function of the proteins embedded in the plasma membrane of cells?

Which action is prevented by the plasma membrane?

The presence of cholesterol in the plasma membranes of some animals

Which of these often serve as receptors or cell recognition molecules on cell surfaces?

The relative concentration of solute inside and outside a cell can cause water molecules to move across the membrane. Which phrase would be an alternate title to the diagram?

In the diagram, the cell will __________________ because the solution is _____________________ compared to the contents of the cell.

Which transport mechanisms require the formation of a vesicle to transport material into or out of a cell?

A semi permeable membrane is stretched across a chamber filled with water. The membrane is only permeable to water. 60 mg of salt is added to the left side of the chamber. Which of the following will happen?

Which of the following statements is correct about diffusion?

The diagram shows two types of cell transport . Which pair of statements best compares the two types of cell transport?

Which statement best describes how channel and carrier proteins in the plasma membrane are similar?

Cell membranes inside the cells that line the stomach pump hydrogen ions from areas of low concentration inside the cells to areas of higher concentration outside the cells. Which activity produces the ATP that makes this pumping possible?

Which statement best describes how active transport differs from passive transport?

How does a mitochondrion facilitate the movement of some materials between cells?

The numbers 1, 2, and 3 in the diagram below represent the different levels of organization in a multicellular organism.

Which chart correctly identifies the levels of organization of 1, 2, and 3?

In the diagram, the cell will because the solution is ___ compared to the contents of the cell.