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Fall Semester Exam Retake

Last updated 12 months ago
36 questions
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1

Eight components present in nucleic acids are listed in the box.


Which components bond with adenine in a section of double-stranded DNA?

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1

Which four body systems interact to allow a person to sneeze?

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Students use a microscope to look for structures present in four different cells. The students placed an X for each structure that was viewed for each cell on the table shown.


Which cell that was viewed is most likely a prokaryote?

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A student produces a labeled drawing of a virus for a presentation. The student states that the capsid has a function similar to the nuclear membrane found in animal cells.


Which of these describes the similar functions of capsids and nuclear membranes?

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Enzymes are proteins that have a three-dimensional shape that is specific to a particular substrate. Environmental conditions can change the shape of the protein.

What is the most likely result if the shape of the enzyme changes?

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A type of cellular transport is shown.


Which description best identifies this type of cellular transport?

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Gibberellins are hormones produced in the root tips of plants. The plant uses these hormones to stimulate the growth of shoots.

How are gibberellins able to affect other parts of the plant?

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The diagram shows molecules that a mitochondrion uses and produces during a cellular process.


Which other molecule is a product of this process?

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When cells lose their ability to regulate the cell cycle, they can divide at an accelerated rate and form a mass of cells. This mass of cells is referred to as —

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The fuzzy millipede, Polyxenus fasciculatus, is found in Texas and is preyed upon by most species of ants. To protect itself against the ants, it ejects fibers from a tuft located at the tail end of its body. The tufts have hooks at the tips and barbs along their length that lock and interlink with the ant’s setae, small hairs that cover the body of the ant. When an ant attacks, the millipede flexes its back end toward the ant and wipes the tufts against it. As the ant attempts to remove the tufts, it entangles itself more, becoming immobilized.


Which two systems most directly interact in the fuzzy millipede’s defense against ants?

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In a study of physical endurance, researchers observed significant increases in the heart rates and breathing rates of participants immediately after they engaged in strenuous exercise.

Which statement best explains the increase in the heart rate and the breathing rate during exercise?

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In 1898 Friedrich Loeffler and Paul Frosch found evidence that the cause of the highly contagious hoof-and-mouth disease in livestock was a microscopic infectious particle. It was discovered that this particle requires a host cell to reproduce.

Which pathogen is most likely responsible for causing hoof-and-mouth disease in livestock?

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A chart of some plant systems and functions is shown.


Which system interactions are dependent on the plant’s ability to respond to the direction of light?

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A feedback mechanism in the human body is shown.


Based on this diagram, which two systems interact to maintain homeostasis?

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A table of four types of carbohydrates is shown.


Which list correctly matches the functions to the types of carbohydrates?

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A segment of a DNA strand is shown.

3’ AGGTCAGGT 5’
Which of these is the correct complementary DNA strand for the segment shown?

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Which statement accurately describes the energy needs for photosynthesis and cellular respiration?

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Which table shows two steps of DNA replication?

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Transmembrane proteins span the width of cell membranes. Four types of transmembrane proteins are shown in a section of cell membrane.


Although these proteins have different specific functions, they all —

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When the skin comes in contact with an irritant, receptors in the skin send signals to the spinal cord. The signal is then sent to the brain for processing, and the individual begins to scratch the affected area. Which two systems are most likely interacting when a person experiences itching caused by a skin irritant?

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During the cell cycle, proteins called cyclins bind to enzymes that send signals for the cell to progress through stages of cell replication. At the end of this cycle, the cyclins degrade to prevent further signaling for the cell to divide. Uncontrolled production of cyclins will most likely result in —

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Which property is shared by the cells of all living things?

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A segment of DNA is shown in the diagram.


Which of these identifies the part of the DNA segment labeled X?

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Which statements best compare the function of an ATP molecule to a DNA molecule?

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Which statement describes the process of osmosis in an animal cell?

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For an enzyme to be able to catalyze a reaction, the active site must —

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A flower that has both male and female reproductive structures is shown.


Which statement best describes an interaction that will allow a flowering plant to reproduce by self-pollination?

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Breaking down food for nutrients involves many body systems. A student made a partial list of the processes that occur.


Which body systems interact most directly in the three listed processes?

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Materials are provided to students to build models of a prokaryotic cell, a eukaryotic cell, and a virus. The materials and the structures they represent are listed in the table shown.


Which material will students use in all three models?

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A student makes a Venn diagram to compare the functions of carbohydrates and lipids.


Which cellular function of carbohydrates and lipids should be placed in the shared section of the Venn diagram?

Which table correctly identifies how the plasma membrane contributes to the maintenance of cellular homeostasis?
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Which table correctly identifies how the plasma membrane contributes to the maintenance of cellular homeostasis?

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The diagram shows the major stages of the cell cycle and the percentage of time spent in each phase.


Which statement best describes why a cell spends the majority of its time in interphase?

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A diagram of an HIV infection is shown.


Which conclusion about the HIV infection of a host cell is best supported by the diagram?

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Students set up a controlled experiment by growing the same type of seedlings in two different locations. After a period of time, the students observed the seedlings and recorded their observations in the table shown.


What caused the shoots of the seedlings on the windowsill to bend toward the window?

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An illness caused by a certain virus includes fever, rash, joint pain, red eyes, and headache. The virus is transmitted to people by infected mosquitoes. Symptoms quickly occur within three to twelve days after contracting the virus. There is no vaccine for this virus. Which description best explains the reproductive cycle of this virus?

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Which statement best describes an interaction between the muscular system and the respiratory system?