暗記メーカー
ログイン
CHROMOSOME STRUCTURE
  • Jef Marc Valencia

  • 問題数 81 • 2/5/2025

    記憶度

    完璧

    12

    覚えた

    29

    うろ覚え

    0

    苦手

    0

    未解答

    0

    アカウント登録して、解答結果を保存しよう

    問題一覧

  • 1

    Operates at the end of the chromosome this is an enzyme consisting of a protein and an rna component which the rna serves as a template for synthesizing telomere dna

    TELOMERASE

  • 2

    Replication of faculty petrochromatin occurs during the late what stage of the cell cycle

    S STAGE

  • 3

    Ensures correct progression before leading to phases of cell cycle

    PROTEIN

  • 4

    Reduce levels of this regulatory protein for outcome for breast cancer patients

    p27

  • 5

    What are the different classifications of centromere based on its position

    METACENTRIC, ACROCENTRIC, SUBMETACENTRIC

  • 6

    Classification of centrome which centromere is position is between near one end of the q arm

    ACROCENTRIC

  • 7

    Chromosomes are joined together by which allow proper separation during mitosis and meiosis

    CENTROMERE

  • 8

    What are the two types of chromatin

    EUCHROMATIN, HETEROCHROMATIN

  • 9

    Cell cycle regulator which controls the g1 to s phase and also prepare dna replication

    CdK 4-G1 CdK

  • 10

    It is the physical end of chromosomes which acts as protective cups of chromosome ends and it prevents end to end fusion of chromosomes

    TELOMERE

  • 11

    Chromosomes are composed of

    NUCLEOPROTEIN

  • 12

    How many pairs of non sex chromosomes do human have

    22

  • 13

    This holds sister chromatid destroyed by the APC/C

    COHESIN

  • 14

    What are the different stages of mitosis

    PROPHASE, METAPHASE, ANAPHASE, TELOPHASE

  • 15

    It is an specific chromosomal region found in the satellite stalks of human acrocentric chromosome

    NUCLEOLAR ORGANIZING REGION

  • 16

    Condensation of facultative heterochromatin occurs during

    INTERPHASE

  • 17

    What are the two types of heterochromatin

    FACULTATIVE, CONSTITUTIVE

  • 18

    What are the stages of the cell cycle

    GAP 1, SYNTHESIS, GAP 2, MITOSIS

  • 19

    It is also known as cyclosome which destroys Cohesin allowing sister chromatids to separate and degrades mitotic cyclins

    ANAPHASE PROMOTING COMPLEX

  • 20

    Classification of centromere which the centrome is located in the middle ensures that chromosomes from the p and q arm are equally divided

    METACENTRIC

  • 21

    G1 cyclins activates what CdK in preparation of DNA replication

    4, 6

  • 22

    This refers to cytoplasmic division

    CYTOKINESIS

  • 23

    Process of cell cycle which halving of the genome

    MITOSIS PHASE

  • 24

    This refers to the production of similar genes of offspring from the parent cell

    REPLICATION

  • 25

    What are the two alternating processes of the cell cycle

    S PHASE, M PHASE

  • 26

    This chromosomes determines the biological sex

    SEX CHROMOSOME

  • 27

    Serves as the attachment site for kinetochore

    CENTROMERE

  • 28

    Constitutive heterochromatin are commonly found on

    CENTROMERE, TELOMERE

  • 29

    This is a result of dna degradation or chromosome breakage due to collision

    END TO END FUSION

  • 30

    A constriction visible on metaphase chromosomes where two sister chromatids are joined together. It is essential to the survival of the chromosome during cell division.

    CENTROMERE

  • 31

    Also known as D cyclin

    G1 CYCLIN

  • 32

    This is the stage of cell cycle which the nuclear division or the chromosome separates in identical sets and the cytoplasmic division which is the cytokinesis occurs

    MITOSIS

  • 33

    Tumor suppressor protein which functions to block the cell cycle if the dna is damaged and it can also lead to apoptosis when the dna damage is severe.

    p53

  • 34

    How many pairs of sex chromosomes do human have

    1

  • 35

    Type of chromatin which is highly contracted genetically inactive and late replicating during the space of mitosis which is does not participate in gene expression

    HETEROCHROMATIN

  • 36

    This refers to the condition where the extreme case of p53 mutation leads to high frequency of cancer in affected individuals

    LI FRAUMENI SYNDROME

  • 37

    A disease that results when the regulation of the cell cycle is not controlled and normal cell growth and behavior is lost

    CANCER

  • 38

    This refers to the pairing of homologous chromosome

    SYNAPSIS

  • 39

    A ordered set of events resulting in cell growth and division into two daughter cells

    CELL CYCLE

  • 40

    How many chromosomes are are found in one copy of acrocentric chromose of humans

    5

  • 41

    Stage of cell cycle which is the final preparation of mitosis

    GAP 2

  • 42

    Stage of cell cycle which is the growth and preparation of the chromosomes for replication in which the cell also experiences growth and prepares for dna replication. This also produce rna and proteins

    GAP 1

  • 43

    Group is added to a variety of protein substrate that control processes into the cell cycle

    PHOSPHATE

  • 44

    Cell cycle regulator ensures that there is accurate separation of chromosomes in the cell division

    CdK 1-M PHASE CdK

  • 45

    What is the chromosome for female

    XX

  • 46

    These are non sex chromosomes that carries genetic information related to the body traits and function

    AUTOSOME

  • 47

    Inactivated x chromosome of female cells are also known as

    BARR BODY

  • 48

    Cell regulator which levels remain fairly stable but each must bind with the appropriate cycling in order to be activated

    CYCLIN DEPENDENT KINASE

  • 49

    Chromosome is the site where interaction with the____during cell division

    MITOTIC SPINDLE

  • 50

    What is the chromosome for males

    XY

  • 51

    A cell cycle inhibitor which blocks the entry in the space by binding to cyclins and CdK

    p27

  • 52

    These are the structure of chromosome which contains the dna which packages the nuclear genetic material of the cell

    NUCLEOPROTEIN

  • 53

    This refers to dna forming rna to protein

    TRANSCRIPTION

  • 54

    This contains the tightly called double helix structure of dna

    SISTER CHROMATID

  • 55

    What is the general role of ribosome

    PROTEIN SYNTHESIS

  • 56

    Cell cycle regulator which regulates s phase and ensures dna duplication

    CdK2-S PHASE CdK

  • 57

    A process of cell cycle which is the doubling of its genome which doubles DNA

    SYNTHESIS PHASE

  • 58

    Regulatory proteins that find to cdk which levels rise and fall with the stages of cell cycle

    CYCLIN

  • 59

    This prevents dna degradation resulting after chromosome breakage and it plays a role in synapsis during meiosis

    TELOMERE

  • 60

    A protein context which that allows the attachment and alignment of the mitotic spindle fibers

    KINETOCHORE

  • 61

    Type of Heterochromatin which is the condensed inactivated x chromosome of female cells in which one x chromosome of every female cell is randomly inactivated

    FACULTATIVE

  • 62

    What phase do centromere is visible at

    METAPHASE

  • 63

    This ensures chromosome stability and proper cell segregation during cell division

    CENTROMERE

  • 64

    This occurs during cytokinesis

    CLEAVAGE FURROW, CELL PLATE

  • 65

    This is the stage when the dna replication occurs and the duplication of the centrosome

    SYNTHESIS

  • 66

    How many pairs of chromosomes in somatic cells do human have

    23

  • 67

    Also known as Mitotic cyclin

    B

  • 68

    The type of a heterochromatin is able to switch to active to inactive chromatin depending on the cell type and development

    FACULTATIVE

  • 69

    Type of heterochromatin which consists of simple repeats of nitrogenous bases responsible for the regulation of crossing over the exchange of genes from one sister chromatid to the other during cell division

    CONSTITUTIVE

  • 70

    Also known as S phase cyclin

    E, A

  • 71

    What chromosomes do acrocentric chromosome of nuclear organizing region found

    13, 14, 15, 22

  • 72

    This is the functional elements microtubules that separate the sister chromatids during cell division

    MITOTIC SPINDLE

  • 73

    This attach to chromosomes to the spinal fibers during cell division

    KINETOCHORE APPARATUS

  • 74

    Is the structure that is found in the nucleus and where genes are located

    CHROMOSOME

  • 75

    Type of chromatin which is loosely organized extended and uncoiled which is applicable for transcription. It contains active early replicating genes for gene expression during S phase of cell cycle

    EUCHROMATIN

  • 76

    How many nor human chromosome have

    10

  • 77

    It is responsible for the formation of nucleoli during interphase cell cycle also serves as the site of rrna genes and its production

    NUCLEOLAR ORGANIZING REGION

  • 78

    They play crucial role for the accurate distribution of genetic information to the daughter cells.

    CHROMOSOME

  • 79

    How many sister chromatids contains in one chromosome

    2

  • 80

    Mutation of this cell cycle regulator is the most frequent mutation leading to cancer

    p53

  • 81

    Classification of centromere which found at the end or slightly of the center between middle and end resulting to one arm longer

    SUBMETACENTRIC