Shirley Zhu
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High School AP Biology Quiz am Cells, erstellt von Shirley Zhu am 21/03/2015.

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Shirley Zhu
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Cells

Frage 1 von 22

1

All of the following distinguish plant cells from animal cells EXCEPT

Wähle eine der folgenden:

  • Plant cells have a large central vacuole; animal cells do not

  • Plant cells have cell walls; plant cells do not

  • Animal cells have mitochondria; plant cells do not

  • Animal cells have centrioles; plant cells do not

  • Animal cells have lysosomes; plant cells do not.

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Frage 2 von 22

1

Cells of the salivary gland and pancreas likely have a large amount of

Wähle eine der folgenden:

  • DNA

  • peroxisomes

  • rough endoplasmic reticulum

  • smooth endoplasmic reticulum

  • lysosomes

Erklärung

Frage 3 von 22

1

All of the following are surrounded by a membrane EXCEPT

Wähle eine der folgenden:

  • Nucleus

  • Bacteria

  • Lysosome

  • Chromosome

  • Vacuole

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Frage 4 von 22

1

All of the following are true concerning mitochondria and chloroplasts EXCEPT

Wähle eine der folgenden:

  • They were once free-living prokaryotes

  • They both perform mainly anabolic reactions

  • They both have electron transport chains for ATP production

  • They both perform chemiosmosis

  • They both have DNA and ribosomes

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Frage 5 von 22

1

All of the following statements regarding cilia or flagella are true EXCEPT

Wähle eine der folgenden:

  • The flagella of prokaryotes and eukaryotes are analogous structures.

  • Prokaryotes and eukaryotes have cilia.

  • The cells lining the oviduct in mammals are ciliated.

  • The cells lining the respiratory tract in humans are ciliated.

  • THe sperm of ferns and mosses are flagellated.

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Frage 6 von 22

1

Pancreatic islet cells were cultured in a medium containing radio-labeled amino acids. Every five minutes, a sample of cells were removed from the culture, washed and fractionated. The radioactivity of each fraction was then measured. The results showed that in the first five minutes, most of the radioactivity was found in the rough ER. After 30 minutes, most of the radioactivity was found in the Golgi body. After 60 minutes, almost all of the radioactivity was found in the cell membrane. Which of the following is most likely the identity and function of the radio-labeled protein?

Wähle eine der folgenden:

  • A hormone to lower blood glucose concentrations.

  • A hormone to raise blood glucose concentrations.

  • An enzyme to oxidize glucose in the pancreas.

  • A receptor for a hormone that helps regulate blood glucose concentrations.

  • A neurotransmitter involved in appetite regulation.

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Frage 7 von 22

1

Which of the following shows the correct sequence of events regarding the radio-labeled protein in the cell from question 6?

Wähle eine der folgenden:

  • Nucleus --> cytoplasm --> ribosome --> rough ER --> Golgi --> exocytosis

  • Nucleus --> rough ER --> Golgi --> membrane --> exocytosis

  • Rough ER --> Golgi --> membrane

  • Rough ER --> Golgi --> membrane --> exocytosis

  • Rough ER --> Golgi --> lysosome --> membrane

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Frage 8 von 22

1

Which of the following best describes the mechanism of transport if a substance is observed to move down its concentration gradient (from high to low concentration) across a cell membrane at a much faster rate than expected by simple diffusion, but without the hydrolysis of ATP?

Wähle eine der folgenden:

  • Osmosis

  • Facilitated diffusion

  • Active diffusion

  • Active transport

  • Cyclosis

Erklärung

Frage 9 von 22

1

Which of the following is a membrane-bound molecule responsible for active transport?

Wähle eine der folgenden:

  • Glycolipid

  • Protein

  • Phospholipid

  • Cholesterol

  • ATP

Erklärung

Frage 10 von 22

1

Red blood cells moved from an isotonic medium into distilled water would most likely

Wähle eine der folgenden:

  • shrivel.

  • swell and lyse.

  • not change.

  • become sickle shaped.

  • undergo apoptosis.

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Frage 11 von 22

1

A plant cell removed from a healthy, well-watered plant into an isotonic medium would most likely

Wähle eine der folgenden:

  • become turgid.

  • become flaccid.

  • swell and lyse.

  • elongate.

  • undergo apoptosis.

Erklärung

Frage 12 von 22

1

Dialysis tubing contains tiny holes through which only small molecules like water can pass. A dialysis bag containing a 10 percent sucrose solution is placed in a beaker of distilled water. After two hours, the bag increased in mass by 50 percent. Which of the following is a reasonable interpretation of this observation.

Wähle eine der folgenden:

  • Sucrose left the bag and entered the beaker.

  • Sucrose entered the bag from the beaker by osmosis.

  • Water entered the bag from the beaker by osmosis.

  • Water left the bag and entered the beaker by osmosis.

  • None of the answers are correct.

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Frage 13 von 22

1

All of the following statements regarding cell size are true EXCEPT

Wähle eine der folgenden:

  • Cells are small because their surface area is larger than their volume.

  • As cells grow, their surface area increases.

  • As cells grow, their volume increases.

  • As cells grow, their surface area to volume ratio decreases.

  • Large cells have a lower surface area to volume ratio.

Erklärung

Frage 14 von 22

1

All of the following are true of cells EXCEPT

Wähle eine der folgenden:

  • They come from preexisting cells.

  • They all perform aerobic respiration to make ATP.

  • They all have membranes.

  • They all contain DNA and ribosomes.

  • Their small size permits the largest surface area to volume ratio for gas exchange.

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Frage 15 von 22

1

Which of the following is the best match between the research technique and its use?

Wähle eine der folgenden:

  • Light microscopy: to see the structures of bacteria and viruses

  • Electron microscopy: to study the interaction between protists in a sample of pond water

  • Cell fragmentation: to determine the metabolic functions of particular organelles.

  • Freeze fracture: to determine the location of cytosolic enzymes

  • Gel electrophoresis: to determine the source of DNA in the cell

Erklärung

Frage 16 von 22

1

All of the following are true regarding the cells of diploid, sexually reproducing, multicellular organisms EXCEPT

Wähle eine der folgenden:

  • Somatic cells contain the same DNA because they arise from mitotic cell division of the zygote.

  • Different types result from differential gene expression.

  • Although the cells contain the same DNA, they contain different genes.

  • Most cells contain two copies of each autosomal gene.

  • Cells are diploid because they inherited one set of chromosomes from each parent.

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Frage 17 von 22

1

All of the following are true of mitosis EXCEPT

Wähle eine der folgenden:

  • Two genetic clones of the original cell are produced.

  • Genetic recombination does not occur.

  • Both diploid and haploid cells can undergo mitosis.

  • Only diploid cells can undergo mitosis.

  • Mitotic cell division occurs during growth and healing.

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Frage 18 von 22

1

Which of the following is true of mitosis?

Wähle eine der folgenden:

  • It is also called cytokinesis.

  • It is the same as binary fission.

  • It evenly distributes homologous chromosomes to daughter cells.

  • DNA replication occurs during prophase.

  • It maintains chromosome number from parent cell to daughter cells.

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Frage 19 von 22

1

Which of the following normally occurs during mitosis?

Wähle eine der folgenden:

  • Homologous chromosomes line up along the equatorial plate.

  • Tetrads condense during prophase.

  • Replicated (sister) chromatids are pulled apart during anaphase.

  • Maternal and paternal chromosomes are separated.

  • The nuclear membrane breaks down during telopahse.

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Frage 20 von 22

1

Which of the following best describes the significance of mitosis?

Wähle eine der folgenden:

  • Symmetrical division of cytoplasm.

  • Accurate segregation of organelles.

  • High-fidelity DNA replication.

  • Provides a copy of each chromosome to each daughter cell.

  • Formation of gametes in animals.

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Frage 21 von 22

1

If a skin cell of a particular animal contained 32 chromosomes, a sperm cell from this animal would be expected to contain how many chromosomes?

Wähle eine der folgenden:

  • 32

  • 64

  • 16

  • 8

  • 23

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Frage 22 von 22

1

All of the following are true of meiosis EXCEPT

Wähle eine der folgenden:

  • Diploid cells divide to produce four haploid cells.

  • Haploid cells dived to produce four haploid cells.

  • Genetic recombination occurs during prophase I

  • Microtubules pull chromosomes to opposite poles of the cell during anaphase I and II

  • Meiosis II is very similar to mitosis.

Erklärung

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