Deck 8: How Cells Reproduce

Question 1

What does taxol do?

A) interferes with mitosis
B) speeds up cell division
C) blocks the activity of RNA polymerase
D) causes the disassembly of ribosomes
E) causes two of the gametes from meiosis to die

Answer 1

A

Question 2

Which of the following is NOT correct about the cell cycle?

A) The cell cycle includes all the events that occur from the time that a cell forms until the time it divides.
B) During the cell cycle, DNA is replicated.
C) The cell cycle always terminates at G2.
D) Cytoplasmic division is part of the cell cycle.
E) All of these are NOT correct.

Answer 2

C

Question 3

In mitosis,

A) the chromosome number is halved.
B) the chromosome number is doubled.
C) the chromosome number stays the same.
D) the chromosome number may double or be halved depending on the species.
E) gametes are formed in bacteria only.

Answer 3

C

Question 4

HeLa cells allowed a formal identification of the causative agent of

A) cholera.
B) polio.
C) chickenpox.
D) Lassa fever.
E) smallpox

Question 5

HeLa's cells were critical in

A) the development of polio vaccines.
B) developing a cure for malaria.
C) understanding fertilization.
D) the development of a cervical vaccine.
E) more than one of these.

Question 6

HeLa cells are

A) normal cells.
B) stem cells.
C) cancer cells.
D) viral-infected cells.
E) bacterial cells.

Question 7

If a eukaryotic cell divided by binary fission,

A) only one of its offspring would get the nucleus.
B) only one of its offspring would get a complete cytoplasm.
C) only sperm would be produced.
D) only eggs would be produced.
E) the chromosome number would be halved.

Question 8

Meiosis is the basis for

A) cellular division.
B) sexual reproduction.
C) asexual reproduction.
D) sexual and asexual reproduction.
E) distribution of cytoplasm.

Question 9

Henrietta Lack died of

A) cervical cancer.
B) breast cancer.
C) polio.
D) malaria.
E) old age.

Question 10

About how many cells per day divide in a healthy adult human?

A) thousands of cells
B) millions of cells
C) billions of cells
D) trillions of cells
E) quadrillions of cells

Question 11

After meiosis,resulting daughter cells are likely to contain

A) the same number of chromosomes as the parent cell.
B) half the number of chromosomes than the parent cell carries.
C) twice the number of chromosomes than the parent cell carries.
D) three times the number of chromosomes than the parent cell carries.
E) four times the number of chromosomes than the parent cell carries.

Question 12

Researchers use HeLa cells to

A) study cancer.
B) study viral growth.
C) perform protein synthesis.
D) study the effects of radiation.
E) do all of these.

Question 13

Meiosis produces

A) sperm cells.
B) egg cells.
C) body cells.
D) sperm and egg cells.
E) sperm, egg, and body cells.

Question 14

The cell line HeLa was isolated from a

A) chimpanzee.
B) rat.
C) human.
D) guinea pig.
E) dog.

Question 15

Which of the following is NOT true about meiosis?

A) it produces eggs and sperm in all eukaryotes
B) it is a nuclear division
C) it halves the chromosome number
D) it is not done by prokaryotes
E) more than one of these is NOT true

Question 16

Which of the following events is (are)characteristic of the interphase?

A) The cytoplasm divides.
B) The cell doubles its content.
C) The cell doubles its content, and the cytoplasm divides.
D) DNA is synthesized.
E) more than one of these.

Question 17

By the time of birth,the human body contains approximately

A) a thousand cells.
B) a million cells.
C) a billion cells.
D) a trillion cells.
E) a quadrillion cells.

Question 18

DNA is replicated during

A) the G1 stage.
B) the S stage.
C) the G2 stage.
D) prophase.
E) more than one of these.

Question 19

Which of the following organisms do NOT reproduce cells by mitosis?

A) plants
B) fungi
C) animals
D) archaea
E) plants and fungi

Question 20

Organisms use _____ for asexual reproduction.

A) mitosis
B) binary fission
C) meiosis
D) more than one of these
E) none of these

Question 21

During the S stage,

A) chromosomes condense.
B) the cell is producing proteins in preparation for mitosis.
C) the cytoplasm begins to divide.
D) DNA is replicated.
E) sister chromatids separate from each other.

Question 22

In which phase of mitosis do chromosomes arrive at opposite sides of the cell?

A) anaphase
B) prophase
C) metaphase
D) telophase
E) interphase

Question 23

Examine the micrographs above and answer the following question(s).
The cell in micrograph "II" is at which stage of the cell cycle?

A) prophase
B) telophase
C) interphase
D) anaphase
E) metaphase

Question 24

The spindle apparatus appears during

A) anaphase.
B) metaphase.
C) interphase.
D) prophase.
E) telophase.

Question 25

In mitosis,if a parent cell has 12 chromosomes,each daughter cell will have how many chromosomes?

A) 48
B) 24
C) 12
D) 6
E) 3

Question 26

Nuclear membranes re-forms during

A) prophase.
B) telophase.
C) interphase.
D) anaphase.
E) metaphase.

Question 27

Sister chromatids detach from one another and become visibly separate chromosomes during

A) anaphase.
B) metaphase.
C) interphase.
D) prophase.
E) telophase.

Question 28

The spindle apparatus is made of

A) centromeres.
B) microfilaments.
C) microtubules.
D) chromatids.
E) nucleotides.

Question 29

Which of the following represents the complete stages of interphase?

A) G1 and G2
B) S and G2
C) G1 and S
D) G1, S, and G2
E) prophase, metaphase, anaphase, and telophase

Question 30

Examine the micrographs above and answer the following question(s).
The cell in micrograph "I" is at which stage of the cell cycle?

A) prophase
B) telophase
C) interphase
D) anaphase
E) metaphase

Question 31

The event directly before the beginning of DNA replication is

A) the S phase.
B) cytoplasmic division.
C) the G1 stage.
D) the G2 stage.
E) mitosis.

Question 32

Cells with two of each kind of chromosome are described by the term

A) polyploid.
B) diploid.
C) triploid.
D) haploid.
E) tetraploid.

Question 33

In which of the following stages does each chromosome consist of two DNA molecules?

A) III and IV
B) I, III, and IV
C) I and III
D) I, II, and III
E) I, II, III, and IV

Question 34

DNA replication occurs

A) between the gap phases of interphase.
B) immediately after cytoplasmic division.
C) during prophase of mitosis.
D) between mitosis and G1.
E) after the S phase of interphase.

Question 35

Chromosomes are aligned at the middle of the cell during

A) anaphase.
B) metaphase.
C) interphase.
D) prophase.
E) telophase.

Question 36

Which of the following is the proper sequence for mitosis?

A) II, I, IV, III
B) I, II, III, IV
C) III, I, IV, II
D) IV, III, II, I
E) I, IV, II, III

Question 37

Which of the following cells would not proceed past G??

A) most skin cells
B) most liver cells
C) most intestinal cells
D) most red blood cells
E) most nerve cells

Question 38

Which of the following most accurately describes mitosis?

A) doubling of cellular material
B) DNA replication
C) separation of membrane-bound organelles during cell division
D) separation of chromosomes during nuclear division
E) cell division

Question 39

The chromosomes are moving to opposite sides of the cell during

A) anaphase.
B) metaphase.
C) interphase.
D) prophase.
E) telophase.

Question 40

Which of the following occurs in prophase?

A) sister chromatid attachment
B) the replication of DNA
C) chromosomes aligned in the middle of the cell
D) breakdown of the nuclear envelope
E) separation of sister chromatids.

Question 41

Which of the following is the longest phase of the cell cycle?

A) interphase
B) prophase
C) metaphase
D) anaphase
E) teleophase

Question 42

In what part of the cell cycle are most of our body cells?

A) G1
B) G2
C) S
D) prophase
E) telophase

Question 43

Animal cells divide by

A) budding.
B) contracting.
C) pinching.
D) cell plate formation.
E) more than one of these.

Question 44

In what phase of the cell cycle does a typical cell spend most of its life?

A) interphase
B) prophase
C) metaphase
D) anaphase
E) telophase

Question 45

In a non-dividing cell,what part of the life cycle is it in?

A) G1
B) S
C) G2
D) prophase
E) more than one of these

Question 46

Which of the following energy source fuels cell division in animal cells?

A) thymine nucleotides
B) ATP
C) kinetic energy of Golgi body movement
D) glycerol
E) fat deposits

Question 47

In what part of the life cycle does DNA replication occur?

A) G1
B) G2
C) S
D) prophase
E) more than one of these

Question 48

Which of the following is (are)essential for cleavage during cell division in animal cells?

A) a contractile ring
B) Golgi body vesicles
C) ATP molecules
D) a contractile ring and Golgi body vesicles
E) a contractile ring and ATP molecules

Question 49

Examine the micrographs above and answer the following question(s).
The cell in micrograph "III" is at which stage of the cell cycle?

A) prophase
B) telophase
C) interphase
D) anaphase
E) metaphase

Question 50

In what part of the cell cycle does an actively dividing cell produce the proteins necessary for mitosis?

A) G1
B) S
C) G2
D) prophase
E) more than one of these

Question 51

The controls of the cell cycle are like

A) the brakes of a bicycle.
B) the pedals of a bicycle.
C) the handles bars of a bicycle.
D) the seat of a bicycle.
E) more than one of these.

Question 52

If a cell had a chromosome number of four,after anaphase but before the cytoplasm divides,how many chromosomes does the cell have?

A) 2
B) 4
C) 8
D) 16
E) none of these

Question 53

Examine the micrographs above and answer the following question(s).
The cell in micrograph "IV" is at which stage of the cell cycle?

A) prophase
B) telophase
C) interphase
D) anaphase
E) metaphase

Question 54

What part of the cell cycle - in an actively dividing cell - does preparation for DNA replication take place?

A) G1
B) S
C) G2
D) prophase
E) telophase

Question 55

If a cell was to stop dividing,in which part of the cell cycle would it stop?

A) G1
B) S
C) G2
D) telophase
E) prophase

Question 56

The cell plate is composed of

A) microfilaments.
B) the cytoplasmic membrane.
C) vesicles with wall-building materials.
D) Golgi bodies.
E) microtubules.

Question 57

If a cell had four sets of chromosomes before mitosis,how many would it have after mitosis?

A) 2 sets
B) 4 sets
C) 8 sets
D) 0 sets
E) none of these because a cell can't have 4 sets of chromosomes

Question 58

Division of the cytoplasm in animal cells

A) begins with the formation of microtubules at each pole of the nucleus.
B) begins with Golgi body vesicles guided by microtubules to the center of the cell.
C) begins in the S phase of interphase.
D) begins with the deposition of a very rigid lipid bilayer, which is the major constituent of the cell wall.
E) is visible as a cleavage furrow created by microfilaments in the cell's midsection.

Question 59

Which of the following injuries would be most difficult for your body to repair?

A) broken leg
B) a deep cut on your foot
C) a twisted ankle
D) a torn biceps muscle
E) an ulcer

Question 60

In which of the following part or parts of the life cycle are duplicated chromosomes NOT connected to each other?

A) G1
B) S
C) G2
D) metaphase
E) more than one of these

Question 61

The spread of cancer cells from one site to others in the body is known as

A) abiogenesis.
B) metastasis.
C) benign transfer.
D) neoplastic movement.
E) mutational slippage.

Question 62

Which of the following statements is NOT true?

A) In asexual reproduction, the parent passes a complete set of genes to its offspring.
B) In sexual reproduction, both meiosis and fertilization are usual events in the life cycle.
C) In sexual reproduction, a human offspring receives two genes for every trait.
D) Sexual reproduction puts together new combinations of genes.
E) Sexual reproduction results in less variation within a population.

Question 63

What is NOT functional in malignant neoplasms that is functional in benign neoplasms?

A) oncogenes
B) centrioles
C) adhesion proteins
D) prophase
E) DNA polymerase

Question 64

Proto-oncogenes are

A) genes that will turn into cancer genes.
B) normal genes that promote mitosis.
C) genes that produce tumor suppressing proteins.
D) cancer genes that back mutate into normal genes.
E) normal genes that promote DNA replication.

Question 65

Sexual reproduction

A) leads to uniform characteristics in a population.
B) results in new combinations of genetic traits.
C) requires less tissue differentiation than asexual reproduction.
D) produces genetic clones.
E) produces genetic clones and requires less tissue differentiation than asexual reproduction.

Question 66

In cancer cells there is an increase in

A) fermentation.
B) proto-oncogene activity.
C) cell division.
D) all of these activities.
E) two of these activities.

Question 67

An oncogene is

A) a normal gene that promotes mitosis.
B) a gene that codes for a growth factor that stimulates cell division.
C) a gene that codes for tumor suppressing proteins.
D) a mutated gene that results in tumors.
E) more than one of these.

Question 68

Which of the following human viruses causes warts?

A) papillomavirus
B) rubella virus
C) adenovirus
D) Ebola virus
E) herpes virus

Question 69

Which of the following is NOT characteristic of cancer tissue?

A) retention of adhesion proteins
B) increased vascular flow
C) malformed cytoskeleton
D) abnormal chromosome number
E) all of these are characteristic of cancer tissue

Question 70

Which of the following is NOT an event of plant cell division?

A) vesicles from Golgi bodies are involved
B) a cell plate forms
C) contractile rings wrap around the cell's middle
D) cleavage furrows form
E) more than one of these is NOT an event of plant cell division

Question 71

Asexual reproduction

A) produces the events of meiosis.
B) produces clones.
C) is more like meiosis than mitosis.
D) leads to increased variation in offspring.
E) involves episodes of crossing over.

Question 72

An accumulation of cells that divide uncontrollably is known as

A) oncogenes.
B) proto-oncogenes.
C) neoplasms.
D) checkpoints.
E) descendant tumors.

Question 73

Which of the following organisms employs a cell plate in cell division?

A) bears
B) humans
C) roses
D) pigs
E) more than one of these

Question 74

Which of the following statements concerning cancer is most accurate?

A) Neoplasms are usually cancerous.
B) Neoplasms have lost control over cell division.
C) Tumor cells have an increased capacity for adhesion.
D) Benign tumors often spread to other body parts.
E) Metastasis is cell division which is stationary.

Question 75

Abnormal cell division that does not pose a threat to surrounding tissues are termed

A) malignant.
B) benign.
C) metastatic.
D) carcinogenic.
E) repressed.

Question 76

Cancer cells

A) have an abnormal chromosome number.
B) are unable to attach to other cells.
C) divide to produce high densities of cells.
D) have malformed cytoskeletons.
E) fit all of these descriptions.

Question 77

Asexually reproduced daughter cells are

A) identical to each other.
B) identical to the parent cell.
C) different from the parent cell.
D) different from each other.
E) identical to each other and to the parent cell.

Question 78

Which of the following is NOT an event in cell division in animals?

A) contractile rings wrap around the cell's middle
B) cleavage furrow forms
C) cell pinches into
D) a cell plate partitions the cytoplasm
E) all of these ARE events in cell division in animals

Question 79

Which of the following organisms employs a contractile ring during cell division?

A) bears
B) humans
C) roses
D) pigs
E) more than one of these

Question 80

Which of the following is NOT true of human papillomaviruses?

A) they causes warts
B) some kinds cause cervical neoplasms
C) they cause interference with tumor suppressors
D) they interfere with proteins that promote mitosis
E) all of these are TRUE of human papillomaviruses