Print Options

Card layout: ?

← Back to notecard set|Easy Notecards home page

Instructions for Side by Side Printing
  1. Print the notecards
  2. Fold each page in half along the solid vertical line
  3. Cut out the notecards by cutting along each horizontal dotted line
  4. Optional: Glue, tape or staple the ends of each notecard together
  1. Verify Front of pages is selected for Viewing and print the front of the notecards
  2. Select Back of pages for Viewing and print the back of the notecards
    NOTE: Since the back of the pages are printed in reverse order (last page is printed first), keep the pages in the same order as they were after Step 1. Also, be sure to feed the pages in the same direction as you did in Step 1.
  3. Cut out the notecards by cutting along each horizontal and vertical dotted line
To print: Ctrl+PPrint as a list

50 notecards = 13 pages (4 cards per page)

Viewing:

Chapter 10

front 1

A bacterial chromosome consists of:

  1. a linear DNA molecule many times larger than the cell.
  2. a circular DNA molecule many times larger than the cell.
  3. a circular DNA molecule smaller than the cell.
  4. a linear DNA molecule smaller than the cell.
  5. a linear or circular DNA molecule smaller than the cell.

back 1

a circular DNA molecule many times larger than the cell.

front 2

Eukaryotic chromosomes consist of:

  1. circular DNA molecules complexed with positively charged nonhistone proteins.
  2. circular DNA molecules complexed with negatively charged histone proteins.
  3. linear DNA molecules complexed with positively charged histone proteins.
  4. linear DNA molecules complexed with negatively charged histone proteins.
    circular DNA molecules.

back 2

linear DNA molecules complexed with positively charged histone proteins.

front 3

Nucleosomes are best described as:

  1. eukaryotic DNA associated with histone proteins.
  2. prokaryotic DNA associated with nonhistone proteins.
  3. eukaryotic DNA associated with nonhistone proteins.
  4. prokaryotic DNA associated with histone proteins.
  5. eukaryotic DNA associated with scaffolding proteins.

back 3

eukaryotic DNA associated with histone proteins.

front 4

What is the function of nucleosomes?

  1. To prevent DNA strands from tangling.
  2. To help DNA replicate.
  3. To make RNA synthesis possible.
  4. To prevent RNA from tangling with DNA during transcription.
  5. To prevent histones from tangling.

back 4

To prevent DNA strands from tangling.

front 5

Nucleosomes are organized into large coiled loops held together by:

  1. histones.
  2. centromeres.
  3. kinetochore proteins.
  4. scaffolding proteins.
  5. condensins.

back 5

scaffolding proteins.

front 6

The cell cycle of a typical somatic cell consists of __________ and M phase.

  1. interphase
  2. meiosis I
  3. crossing-over
  4. meiosis II
  5. mitosis

back 6

interphase

front 7

The M phase of the cell cycle involves two main processes:

  1. mitosis and cytokinesis.
  2. meiosis I and meiosis II.
  3. homologous pairing and crossing-over.
  4. interphase and mitosis.
  5. mitosis and meiosis.

back 7

mitosis and cytokinesis

front 8

Once nerve cells become mature, they don't usually undergo cell division. Based on your knowledge of the cell cycle, you would predict that mature nerve cells become arrested in the __________ of the cell cycle.

  1. G0 phase
  2. S phase
  3. prophase
  4. G1 phase
  5. G2 phase

back 8

G0 phase

front 9

Chromosomes are duplicated during __________ of the cell cycle.

  1. G1 phase
  2. G2 phase
  3. S phase
  4. metaphase
  5. prophase

back 9

S phase

front 10

Which of the following represents the overall sequence of events during mitosis?

  1. prophase - prometaphase - metaphase - anaphase -telophase
  2. interphase - prometaphase - metaphase - anaphase - telophase
  3. anaphase - telophase - metaphase - prophase - interphase
  4. interphase - prophase - anaphase - metaphase - prometaphase
  5. metaphase - telophase - prometaphase - anaphase - prophase

back 10

  1. prophase - prometaphase - metaphase - anaphase -telophase

front 11

If a cell is in G2:

  1. it has twice the amount of DNA present in a telophase nucleus.
  2. it has visibly distinct chromosomes.
  3. it lacks a visible nuclear membrane.
  4. it is in mitosis.
  5. it is in cytokinesis.

back 11

it has twice the amount of DNA present in a telophase nucleus.

front 12

During prophase, __________ is(are) compacted into visible chromosomes.

  1. chromatin
  2. centrioles
  3. centromeres
  4. kinetochores
  5. colchicine

back 12

chromatin

front 13

The __________ is responsible for the separation of the chromosomes during __________ of mitosis.

  1. cell wall; anaphase
  2. flagellum; metaphase
  3. mitotic spindle; anaphase
  4. kinetochore; prophase
  5. centromere; telophase

back 13

mitotic spindle; anaphase

front 14

__________ contain identical DNA sequences and are held together by __________ during mitosis.

  1. Daughter chromosomes; hydrogen bonding
  2. Daughter chromosomes; ionic bonding
  3. Sister chromatids; spindle fibers
  4. Sister chromosomes; histone proteins
  5. Sister chromatids; centromeres

back 14

Sister chromatids; centromeres

front 15

The mitotic spindle is made of:

  1. collagen.
  2. condensin.
  3. histones.
  4. keratin.
  5. microtubules.

back 15

microtubules.

front 16

Which of the following represents the overall sequence of events during mitosis?

  1. prophase - prometaphase - metaphase - anaphase -telophase
  2. interphase - prometaphase - metaphase - anaphase - telophase
  3. anaphase - telophase - metaphase - prophase - interphase
  4. interphase - prophase - anaphase - metaphase - prometaphase
  5. metaphase - telophase - prometaphase - anaphase - prophase

back 16

  1. prophase - prometaphase - metaphase - anaphase -telophase

front 17

All of the following events occur during prometaphase EXCEPT:

  1. the nuclear envelope breaks down.
  2. the nucleoli disappear.
  3. the mitotic spindle is completely assembled.
  4. the spindle fibers "capture" chromosomes.
  5. the duplicated chromosomes become visible with the light microscope.

back 17

the duplicated chromosomes become visible with the light microscope.

front 18

A cell is in metaphase if:

  1. the chromosomes are visible as threadlike structures.
  2. the nuclear envelope is clearly visible.
  3. the chromosomes are aligned at the midplane of the cell.
  4. the chromosome are separated into distinct groups at opposite poles of the cell.
  5. cytokinesis is occurring.

back 18

the chromosomes are aligned at the midplane of the cell.

front 19

Duplicated centrioles move to opposite poles of a dividing __________ cell during __________ of the cell cycle.

  1. plant; metaphase
  2. plant; anaphase
  3. prokaryotic; metaphase
  4. animal; interphase
  5. animal; prophase

back 19

animal; prophase

front 20

The chromosome makeup of an individual organism is called a:

  1. kinetochore.
  2. chromosome plot.
  3. centromere.
  4. karyotype.
  5. centriole.

back 20

karyotype.

front 21

Chromosomes are condensed to their greatest extent during __________ of mitosis.

  1. metaphase
  2. prophase
  3. telophase
  4. interphase
  5. anaphase

back 21

metaphase

front 22

Cytokinesis in animal cells involves contraction of a ring of __________ microfilaments.

  1. tubulin plus actin
  2. actin plus myosin
  3. cyclin plus myosin
  4. keratin plus actin
  5. cyclin plus actin

back 22

actin plus myosin

front 23

Cytokinesis in plant cells occurs via the formation of a(n):

  1. aster.
  2. mitotic spindle.
  3. Golgi complex.
  4. cell wall.
  5. cell plate.

back 23

cell plate.

front 24

If a cell is dividing by binary fission then you know that:

  1. mitosis has taken place without cytokinesis.
  2. homologous chromosomes have already paired.
  3. the cyclin-Cdk complex is no longer phosphorylating enzymes.
  4. the cell cycle is out of control.
  5. the cell is prokaryotic.

back 24

the cell is prokaryotic.

front 25

To prevent disastrous consequences, the eukaryotic cell cycle is controlled by:

  1. the mitochondria.
  2. helper viruses.
  3. environmental signals.
  4. a very detailed, rigid genetic program.
  5. a series of cell cycle checkpoints.

back 25

a series of cell cycle checkpoints.

front 26

Which of the following statements concerning the cell cycle is FALSE?

  1. The activity of Cdks increases and decreases during the cell cycle.
  2. Cyclins fluctuate during the cell cycle.
  3. are active only when they bind to cyclins.
  4. The anaphase-promoting complex stimulates the separation of sister chromatids.
  5. M-Cdk inhibits mitosis.

back 26

M-Cdk inhibits mitosis.

front 27

The correct number of chromosomes is maintained during sexual reproduction by:

  1. a process by which one half of the chromosomes in gametes are removed.
  2. chromosome doubling in the newly formed zygote.
  3. meiosis, which reduces the chromosome number by half.
  4. mitosis, which maintains the original chromosome number.
  5. replication of chromosomes twice during meiosis.

back 27

meiosis, which reduces the chromosome number by half.

front 28

Animal cells are stimulated to divide by mitosis by:

  1. colchicines.
  2. magnetic fields.
  3. mating.
  4. growth factors.
  5. nutrients.

back 28

growth factors.

front 29

If meiosis did not occur in sexually reproducing organisms, then:

  1. growth of the zygote would be halted.
  2. mitosis would be sufficient.
  3. gametes would remain haploid.
  4. chromosome number would double in each generation.
  5. eggs would be haploid, but sperm would be diploid.

back 29

chromosome number would double in each generation.

front 30

What evolutionary advantage is provided by sexual reproduction?

  1. increased genetic diversity
  2. making clones
  3. making diploidy possible
  4. making polyploidy possible
  5. being able to work with chromosomes

back 30

increased genetic diversity

front 31

Plant hormones known as __________ stimulate mitosis.

  1. gametophytes
  2. kinesin and dynein
  3. cytokinins
  4. colchicines
  5. kinetochores

back 31

cytokinins

front 32

Homologous chromosomes undergo synapsis during:

  1. anaphase I.
  2. prophase I.
  3. anaphase II.
  4. telophase II.
  5. prophase II.

back 32

prophase I.

front 33

A maternal homologue and a paternal homologue synapse to form:

  1. a tetrad.
  2. a parental pair.
  3. a paternal pair.
  4. sister chromatids.
  5. a maternal pair.

back 33

a tetrad.

front 34

During which phase does crossing-over occur?

  1. interphase
  2. prophase I
  3. metaphase I
  4. prophase II
  5. metaphase II

back 34

prophase I

front 35

A zygote contains the __________ number of chromosomes.

  1. haploid
  2. diploid
  3. polyploid
  4. spermatogenesis
  5. none of these

back 35

diploid

front 36

In a human cell at prophase I, there are __________ tetrads.

  1. 92
  2. 46
  3. 23
  4. 2
  5. 4

back 36

23.

front 37

An animal with a diploid number of 36 chromosomes will have __________ chromosomes in its gametes and __________ chromosomes in its somatic cells.

  1. 18; 18
  2. 18; 36
  3. 36; 18
  4. 36; 36
  5. 36; 72

back 37

18;36

front 38

During prophase I, each chiasma represents:

  1. the remnants of the nuclear membrane.
  2. the remnant of the nucleolus.
  3. a newly formed haploid gamete.
  4. a site of crossing-over.
  5. the site where sister chromatids are connected.

back 38

a site of crossing-over.

front 39

During which of the following stages of meiosis do the sister chromatids separate?

  1. metaphase I
  2. anaphase I
  3. metaphase II
  4. anaphase II
  5. telophase II

back 39

anaphase II

front 40

Which of the following represents the overall sequence of events during mitosis?

  1. prophase - prometaphase - metaphase - anaphase -telophase
  2. interphase - prometaphase - metaphase - anaphase - telophase
  3. anaphase - telophase - metaphase - prophase - interphase
  4. interphase - prophase - anaphase - metaphase - prometaphase
  5. metaphase - telophase - prometaphase - anaphase - prophase

back 40

  1. prophase - prometaphase - metaphase - anaphase -telophase

front 41

The sources of genetic variation during meiosis are:

  1. crossing-over and the random assortment of maternal and paternal chromosomes.
  2. crossing-over and random pairing of tetrads.
  3. random pairing of tetrads and mutations.
  4. polyploidy and random pairing of tetrads.
  5. random pairing of tetrads and random assortment of maternal and paternal chromosomes.

back 41

crossing-over and the random assortment of maternal and paternal chromosomes.

front 42

Which of the following events does not occur during meiosis I?

  1. DNA exchange
  2. pairing of homologous chromosomes
  3. separation of sister chromatids
  4. separation of homologous chromosomes
  5. crossing-over between homologous chromosomes

back 42

separation of sister chromatids

front 43

Figure 10-1 Use the figure to answer the corresponding question(s). Refer to Figure 10-1. Which of the following combinations of letters accurately represents two sister chromatids?

  1. A and B
  2. A and C
  3. A and D
  4. A and E
  5. B and F

back 43

A and C

front 44

Figure 10-1 Use the figure to answer the corresponding question(s). Refer to Figure 10-1. Which of the following combinations of letters accurately represents two homologous chromatids?

  1. A and B
  2. A and C
  3. A and D
  4. B and F
  5. D and E

back 44

A and D

front 45

The formation of female gametes is termed:

  1. oogenesis.
  2. macrogenesis.
  3. spermatogenesis.
  4. ovogenesis.
  5. microgenesis.

back 45

oogenesis

front 46

Which of the following are NOT produced by meiosis?

  1. polar bodies
  2. animal eggs
  3. animal sperm
  4. plant spores
  5. zygotes

back 46

zygotes

front 47

Figure 10-2 Use the figure to answer the corresponding question(s). Refer to Figure 10-2. The chromosome complement of item 6 in the life cycle is:

  1. twenty.
  2. haploid.
  3. diploid.
  4. forty-eight.
  5. four.

back 47

haploid

front 48

Figure 10-2 Use the figure to answer the corresponding question(s). Refer to Figure 10-2. The process occurring at arrow 3 in the associated figure is:

  1. fertilization.
  2. G1.
  3. meiosis.
  4. mitosis.
  5. fusion.

back 48

meiosis

front 49

Gametophyte plants produce gametes using:

  1. mitosis.
  2. meiosis.
  3. fertilization.
  4. polyploidy.
  5. sporogenesis.

back 49

mitosis

front 50

Sporophyte plants produce spores using:

  1. mitosis.
  2. meiosis.
  3. fertilization.
  4. macrogenesis.
  5. microgenesis.

back 50

meiosis