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AP Biology Cell Structure — practice questions — page 2

Explore 62 free Cell Structure questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Cell Structure questions and exercises with answers

Showing questions 31–60 of 62.

True or false: inside the cellRead the answer and worked solution →Which one does not belong?Read the answer and worked solution →Plants, algae and cyanobacteria that use light to make their own food are called:Read the answer and worked solution →Bacteria at a deep sea vent make sugars using energy from inorganic chemicals. They are:Read the answer and worked solution →Photosynthesis powers what share of Earth's ecosystems?Read the answer and worked solution →In leaves, most photosynthesis occurs in the middle cell layer called the:Read the answer and worked solution →Gas exchange in a leaf occurs through small regulated openings called:Read the answer and worked solution →Each stoma is flanked by cells that open and close it by swelling or shrinking, called:Read the answer and worked solution →Stacked disc-shaped structures inside a chloroplast where chlorophyll is embedded are:Read the answer and worked solution →A stack of thylakoids is called a:Read the answer and worked solution →The liquid-filled space surrounding the grana, where the Calvin cycle occurs, is the:Read the answer and worked solution →The light-dependent reactions take place in the thylakoid membrane and produce:Read the answer and worked solution →Shorter wavelengths of light carry:Read the answer and worked solution →Which colour of visible light has the shortest wavelength and most energy?Read the answer and worked solution →Chlorophyll appears green because green light is:Read the answer and worked solution →Photosystems are numbered by:Read the answer and worked solution →In photosystem II, the electron lost by the reaction center is replaced by splitting:Read the answer and worked solution →The reaction center of photosystem II is called:Read the answer and worked solution →About what share of oxygen made in a leaf is used by its own mitochondria?Read the answer and worked solution →The flow of hydrogen ions through ATP synthase from the thylakoid lumen to the stroma is called:Read the answer and worked solution →The enzyme that catalyses the reaction between carbon dioxide and RuBP is:Read the answer and worked solution →RuBP, the molecule that starts the Calvin cycle, has how many carbon atoms?Read the answer and worked solution →How many turns of the Calvin cycle are needed to produce one three-carbon G3P for export?Read the answer and worked solution →Cacti conserve water by fixing and storing CO2 temporarily at:Read the answer and worked solution →Catch the light reaction partsRead the answer and worked solution →Pop the Calvin cycle playersRead the answer and worked solution →Run through photosynthesisRead the answer and worked solution →Slice the photosynthesis wordsRead the answer and worked solution →Light reactions or Calvin cycleRead the answer and worked solution →Sort pigments, structures and moleculesRead the answer and worked solution →

Worked practice questions

True or false: inside the cell

Read exercise and reference answers
Questions
  1. Statement is true
    No
    Statement
    A cell that loses its centrosome can no longer divide.
  2. Statement is true
    Yes
    Statement
    Lysosomes are more acidic inside than the cytoplasm is.
  3. Statement is true
    Yes
    Statement
    The nuclear envelope is made of two bilayers, not one.
  4. Statement is true
    No
    Statement
    Electron microscopes work with a beam of light.
  5. Statement is true
    No
    Statement
    Most microbes cause disease in humans.
  6. Statement is true
    Yes
    Statement
    Ribosomes are found in practically every cell.
Instructions
Tap True or False for each statement.
_Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 4 'Cell Structure', sections 4.1-4.6_

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Which one does not belong?

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Questions
  1. Items
    1. Granum
    2. Stroma
    3. Thylakoid
    4. Cristae
    Odd item
    Cristae
  2. Items
    1. Fungi
    2. Bacteria
    3. Archaea
    4. Prokaryote
    Odd item
    Fungi
  3. Items
    1. Tight junction
    2. Plasmodesma
    3. Gap junction
    4. Desmosome
    Odd item
    Plasmodesma
  4. Items
    1. Actin
    2. Tubulin
    3. Connexin
    4. Keratin
    Odd item
    Connexin
Instructions
Tap the item that does not fit with the other three.
_Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 4 'Cell Structure', sections 4.1-4.6_

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Plants, algae and cyanobacteria that use light to make their own food are called:

  1. Photoautotrophs
  2. Heterotrophs
  3. Chemoautotrophs
  4. Decomposers
Show answer and solution

Correct answer: A. Photoautotrophs

1. They are literally self-feeders using light. 2. Photoautotrophs perform photosynthesis. 3. Animals and fungi are heterotrophs. _Source: OpenStax Biology 2e, Chapter 8, Photosynthesis (CC BY 4.0)._

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More Biology topics

Gene ExpressionEcology and the BiosphereEvolution and the Origin of SpeciesDNA Structure and FunctionBiological MacromoleculesCellular RespirationMetabolismPhotosynthesis