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AP Biology Cell Reproduction — practice questions

Explore 55 free Cell Reproduction questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Cell Reproduction questions and exercises with answers

Showing questions 1–30 of 55.

A cell's complete DNA, packaged as a double-stranded molecule, is called its:Read the answer and worked solution →Cells that carry two matched sets of chromosomes are described as:Read the answer and worked solution →Human eggs and sperm carry one set of chromosomes, so they are:Read the answer and worked solution →The photographed chromosomes of a cell, arranged by length, form a:Read the answer and worked solution →Interphase is divided into three phases: Gap 1, Gap 2 and:Read the answer and worked solution →Which stage of mitosis has all chromosomes lined up midway between the poles?Read the answer and worked solution →The beadlike complex of DNA wrapped around histone protein is called a:Read the answer and worked solution →Laid end to end, the DNA from all 46 chromosomes of one human cell would measure about:Read the answer and worked solution →Wrapping DNA into nucleosomes makes the molecule roughly how much shorter?Read the answer and worked solution →A cell that has stopped actively preparing to divide has entered:Read the answer and worked solution →Nuclear division during the mitotic phase is called:Read the answer and worked solution →During anaphase the sister chromatids separate because which proteins degrade?Read the answer and worked solution →Spindle microtubules that never attach to a chromosome are called:Read the answer and worked solution →In an animal cell, cytokinesis pinches the cell in two along a structure called the:Read the answer and worked solution →Plant cells complete cytokinesis differently from animal cells because they build a:Read the answer and worked solution →Human blood type is determined by two versions of a gene drawn from how many possible sequences?Read the answer and worked solution →Conjoined sister chromatids become visible under a light microscope at a diameter of about:Read the answer and worked solution →Naming the mitotic stages in order gives prophase, prometaphase, metaphase and then:Read the answer and worked solution →At which stage does the nuclear envelope begin to break into small vesicles?Read the answer and worked solution →Put the cell cycle in orderRead the answer and worked solution →Match each mitotic stage to its moveRead the answer and worked solution →Animal cell or plant cell?Read the answer and worked solution →Measure the packagingRead the answer and worked solution →True or false: cell divisionRead the answer and worked solution →Complete the packing storyRead the answer and worked solution →The human haploid genome contains about how many base pairs?Read the answer and worked solution →Friedrich Miescher named the phosphate-rich chemical from white blood cell nuclei:Read the answer and worked solution →Mice injected with heat-killed S strain plus live R strain died. Griffith's 1928 finding is called:Read the answer and worked solution →Avery, MacLeod and McCarty (1944) showed the transforming principle was:Read the answer and worked solution →Hershey and Chase labelled phage DNA with radioactive:Read the answer and worked solution →

Worked practice questions

A cell's complete DNA, packaged as a double-stranded molecule, is called its:

  1. Ribose
  2. Plasmid
  3. Genome
  4. Vesicle
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Correct answer: C. Genome

1. Every cell carries a full set of hereditary instructions. 2. That whole set is given a single name. 3. A cell's DNA, packaged as a double-stranded DNA molecule, is called its genome. 4. Plasmids are small extra rings of DNA, not the whole complement. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 10 'Cell Reproduction', sections 10.1-10.5_

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Cells that carry two matched sets of chromosomes are described as:

  1. Haploid
  2. Diploid
  3. Triploid
  4. Aneuploid
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Correct answer: B. Diploid

1. The letter n stands for a single set of chromosomes. 2. Two sets is therefore written 2n. 3. The letter n is used to represent a single set of chromosomes; therefore, a diploid organism is designated 2n. 4. Gametes carry one set and are haploid, written 1n. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 10 'Cell Reproduction', sections 10.1-10.5_

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Human eggs and sperm carry one set of chromosomes, so they are:

  1. Diploid cells
  2. Triploid cells
  3. Multiploid cells
  4. Haploid cells
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Correct answer: D. Haploid cells

1. Sex cells must halve the chromosome number so fertilisation restores it. 2. Human cells that contain one set of chromosomes are called gametes, or sex cells. 3. These are eggs and sperm, and are designated 1n, or haploid. 4. A diploid cell would double the count at every generation. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 10 'Cell Reproduction', sections 10.1-10.5_

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More Biology topics

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