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| 1.
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How many ATP molecules are available to a cell during lactic acid fermentation? 1.a |
| | A) | 6 ATP |
| | B) | 2 ATP |
| | C) | 20 ATP |
| | D) | 36 ATP |
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| 2.
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_____________ are single-celled organisms that do not have membrane-bound organelles. 5.a |
| | A) | Prokaryotes |
| | B) | Eukaryotes |
| | C) | Amoebas |
| | D) | Protists |
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| 3.
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The human has ______ homologous chromosomes. 1.e |
| | A) | billions of |
| | B) | 46 pairs |
| | C) | 23 pairs |
| | D) | many hundreds of |
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| 4.
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Which cells remain undifferentiated? 1.f |
| | A) | liver cells |
| | B) | blood cells |
| | C) | cardiac cells |
| | D) | stem cells |
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| 5.
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What contains the genetic information? 1.c, 2.e |
| | A) | cell wall |
| | B) | central vacuole |
| | C) | chromosome |
| | D) | cell membrane |
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| 6.
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Which is found in both plant and animal cells? 1.a, 1.b |
| | A) | central vacuole |
| | B) | chloroplast |
| | C) | cell wall |
| | D) | ribosomes |
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| 7.
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Which cell organelle has its own DNA and can duplicate itself? 1.c |
| | A) | cell membrane |
| | B) | mitochondria |
| | C) | cytoplasm |
| | D) | ribosome |
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| 8.
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What are the copies of a chromosome made during S phase called? 1.e |
| | A) | homologous |
| | B) | centromeres |
| | C) | daughter genes |
| | D) | sister chromatids |
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| 9.
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Which organelle does the cell use for storage? 1.a |
| | A) | lysosome |
| | B) | chromosome |
| | C) | endoplasmic reticulum |
| | D) | vacuole |
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| 10.
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Which is NOT a function of the cell wall? 1.b |
| | A) | provide the cell with support |
| | B) | regulate what enters the cell |
| | C) | give the cell its shape |
| | D) | protect the cell |
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| 11.
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Which process produces ATP without the use of oxygen? 1.a |
| | A) | lactic acid fermentation |
| | B) | photosynthesis |
| | C) | glycolysis |
| | D) | cellular respiration |
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| 12.
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Which organ is part of your lymphatic system? 1.f |
| | A) | heart |
| | B) | spleen |
| | C) | kidney |
| | D) | lungs |
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| 13.
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During what phase of the cell cycle does a cell prepare to reproduce? 1.e |
| | A) | prophase |
| | B) | anaphase |
| | C) | metaphase |
| | D) | interphase |
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| 14.
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In which phase does a new membrane form around each set of chromosomes? 1.e |
| | A) | metaphase |
| | B) | anaphase |
| | C) | telophase |
| | D) | prophase |
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| 15.
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____________ is the process in which cytoplasm divides. 1.e |
| | A) | Meiosis |
| | B) | Cytokinesis |
| | C) | Mitosis |
| | D) | Plasmosis |
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| 16.
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Which is NOT one of the 6 main kinds of atoms that make up the molecules of living things? 1.a |
| | A) | sulfur |
| | B) | carbon |
| | C) | nitrogen |
| | D) | lead |
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| 17.
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Sugar, starch, cellulose, and chitin are all types of __________. 1.a |
| | A) | carbohydrates |
| | B) | lipids |
| | C) | nucleic acids |
| | D) | proteins |
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| 18.
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Which organelle is called the power plant of the cell? 1.d |
| | A) | nucleus |
| | B) | golgi apparatus |
| | C) | mitochondrion |
| | D) | ribosome |
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| 19.
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Of organ system, organ, tissue, and organism, which is the most basic? 1.f |
| | A) | organ |
| | B) | tissue |
| | C) | organ system |
| | D) | organism |
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| 20.
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What substance makes up most of your body's mass? 1.b |
| | A) | salt |
| | B) | carbon |
| | C) | oxygen |
| | D) | water |
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| 21.
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What type of cells do NOT have a nucleus and other membrane-bound organelles? 1.a |
| | A) | plant cells |
| | B) | eukaryotic cells |
| | C) | prokaryotic cells |
| | D) | animal cells |
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| 22.
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Which is a true statement about ribosomes? 1.a |
| | A) | Ribosomes are made in the cell membrane. |
| | B) | Ribosomes are found on both smooth and rough endoplasmic reticulum. |
| | C) | Ribosomes are surrounded by a membrane. |
| | D) | Ribosomes build proteins. |
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| 23.
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During which part of interphase does organelle reproduction occur? 1.e, 1.f |
| | A) | S |
| | B) | G1 |
| | C) | G2 |
| | D) | G3 |
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| 24.
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Which is NOT part of your nervous system? 1.f |
| | A) | sensory receptors |
| | B) | brain |
| | C) | liver |
| | D) | spinal cord |
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| 25.
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Brain cells and nerve cells are _________ to enable them to send and receive signals from many directions. 1.f |
| | A) | striated |
| | B) | round |
| | C) | smooth |
| | D) | branched |
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| 26.
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What is the function of both cilia and flagella? 1.a |
| | A) | release energy |
| | B) | make food |
| | C) | store water |
| | D) | movement |
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| 27.
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Which is NOT a main idea of the cell theory? 1.a |
| | A) | An egg contains a miniature version of the adult organism. |
| | B) | All new cells come from preexisting cells. |
| | C) | The cell is the smallest unit of life. |
| | D) | All organisms are made of one or more cells. |
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| 28.
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What is a difference between the cell membrane and the cell wall? 1.a |
| | A) | The cell wall is selectively permeable, but the cell membrane allows substances to pass through freely. |
| | B) | The cell membrane is selectively permeable, but the cell wall allows substances to pass through freely. |
| | C) | The cell wall is found only in animals, while the cell membrane is found in plant cells. |
| | D) | The cell wall is found only in plant cells, and the cell membrane is found only in animal cells. |
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| 29.
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Which describes cytokinesis in an animal cell? 1.e |
| | A) | A cell plate forms between the two nuclei. |
| | B) | The cell membrane pinches inward. |
| | C) | The new cell wall is built by molecules released from the cell membrane. |
| | D) | The chromosomes align at the middle of the cell. |
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| 30.
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Which event occurs during prophase? 1.e |
| | A) | The DNA that make up a replicated chromosome twists into tight coils. |
| | B) | The chromosomes move to the middle of the cell. |
| | C) | The sister chromatids begin to separate. |
| | D) | A membrane forms around each set of chromosomes. |
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