mitosis

Question 1

An organism’s DNA, containing arrays of genes, is organized
into structures called ___

Answer 1

chromosomes

Question 2

___ serve as vehicles for transmitting genetic information

Answer 2

Chromosomes

Question 3

what re the two major processes involved in the genetic
continuity of nucleated cells:

Answer 3

mitosis and meiosis

Question 4

__ leads to production of two cells with the same number
of chromosomes as the parent cell

Answer 4

Mitosis

Question 5

___ REDUCES the genetic content and the number of
chromosomes by HALF

Answer 5

Meiosis

Question 6

In meiosis, This reduction in the number of chromosomes is important in
the production of ___

Answer 6

sex cells or gametes

Question 7

Chromosomes are visible only
during ___

Answer 7

mitosis and meiosis

Question 8

When the cell is not
undergoing division, the
genetic material making up
chromosomes unfolds and
uncoils into diffuse network
within the nucleus, generally
referred to as ___

Answer 8

chromatin

Question 9

The chromosomes contains a constricted region called the
___, whose location establishes the general
appearance of each chromosome

Answer 9

centromere

Question 10

Chromosomes can be classified as ____ based on centromere location

Answer 10

metacentric
submetacentric
acrocentric
telocentric

Question 11

the short arm is called__
and the longer arm is called __

Answer 11

p arm - short
q arm - long

Question 12

if the centromere is at the middle, it is called as

Answer 12

metacentric

Question 13

if the centromere is between the middle and end - near the end

Answer 13

submetacentric

Question 14

if the centromere is close at the end, it is called

Answer 14

acrocentric

Question 15

if the centromere is at the end, it is called

Answer 15

telocentric

Question 16

All somatic cells derived from members of the same
species contain an identical number of chromosomes.

true or false

Answer 16

true

Question 17

chromosomes exist in
pairs is called

Answer 17

homologous chromosomes

Question 18

Note that each chromosomes in the karyotype is
clearly a double structure consisting of two parallel
___ connected by a common
centromere

Answer 18

sister chromatids

Question 19

The genetic information contained in a haploid set of
chromosomes constitute the ___ of the species.

Answer 19

genome

Question 20

Homologous chromosomes have genetic similarities
* They contain IDENTICAL GENE sites along their lengths. Each site is
called a ___

Answer 20

locus

Question 21

, homologous chromosomes are IDENTICAL IN THE TRAITS that
they influence and in their genetic potential.
true or false

Answer 21

true

Question 22

a process wherein the genetic material is partitioned into daughter cells during
nuclear division

Answer 22

karyokinesis

Question 23

a process associated to cytoplasmic division is called

Answer 23

cytokinesis

Question 24

It partitions the cell volume inti two parts and then encloses
each new cell in a distinct plasma membrane

Answer 24

cytokinesis

Question 25

The ___ is a series of events that describe the sequence of activities a cell prepares for division and then divides

Answer 25

cell cycle

Question 26

stages of the cell cycle

Answer 26

interphase - g1 - s phase - g2 Mitosis - prophase -prometaphase -metaphase -anaphase -telophase

Question 27

The __ is note devoted solely to cell’s growth and normal function. It is also when the cell replicates the DNA on each chromosome

Answer 27

interphase

Question 28

DNA synthesis occurs before the cell enters mitosis. This period is called the ___

Answer 28

S phase

Question 29

During G1, S phase, and G2, __,, ___, and ____ are evident.

Answer 29

intensive metabolic activity, cell growth and cell differentiation

Question 29

At a point during G1, all cell follow one of two paths what are those?

Answer 29

G0 or proceed with the process G0 means withdrawing from the cycle, become quiescent (dormant)

Question 29

There are two periods during interphase in which there is NO synthesis of DNA.

Answer 29

G1 and G2, before and after S phase

Question 29

Under the prophase, The chromosomes appear as a double structure split longitudinally except at a single point of constriction, the ___

Answer 29

centromere

Question 29

By the end of ___, DNA has been replicated and the cell volume has doubled.

Answer 29

G2

Question 29

are chromosomes visible during the interphase?

Answer 29

no Instead, the nucleus is filled with chromatin fibers formed from the uncoiling and dispersal of the chromosomes after the previous mitosis

Question 29

The nuclear envelope break down and disappear, and the nucleolus disintegrates

Answer 29

prophase

Question 29

Cells that enter the G0 remain viable and metabolically active but are ___

Answer 29

not proliferative

Question 29

After centriole migration, the centrosomes, are responsible for organizing cytoplasmic microtubules into spindle fibers that run between the poles

Answer 29

prophase

Question 29

The two parts of each chromosome are called ___ because the DNA contained in each of them is genetically identical

Answer 29

sister chromatids

Question 30

The diffuse chromatin fibers condenses, and the chromosomes become visible

Answer 30

prophase

Question 30

a stage where The centrioles migrate to opposite ends of the cell OPPOSITE ENDS - MEANS THEY ARE PULLED - P-

Answer 30

Prophase

Question 30

the middle portion of the cell where the metaphase primarily occurs

Answer 30

metaphase plate

Question 30

The chromosomes migrate to the equatorial plane (also called the metaphase plate)

Answer 30

metaphase

Question 30

The sister chromatids are held together by protein complexes called ___

Answer 30

cohesin

Question 30

the ___ is the midline region of the cell, a plane that lies perpendicular to the axis established by the spindle fibers

Answer 30

metaphase plate

Question 30

Even though one cannot see the chromatids in the interphase because the chromatin is uncoiled and dispersed in the nucleus, the chromosomes are already double structures, which becomes apparent in ___.

Answer 30

late prophase

Question 30

Migration is made possible by the binding of spindle fibers to the chromosome’s ___, an assemble of multilayered plates of proteins associated with the centromere.

Answer 30

kinetochore

Question 30

refers to the period of chromosome movement

Answer 30

Prometaphase

Question 30

Is the chromosome configuration following migration

Answer 30

Metaphase

Question 31

The shortest stage of mitosis, the ___, whose events are critical to the chromosome distribution during mitosis

Answer 31

anaphase

Question 32

During this phase, the sister chromatids of each chromosome, separate from one another and pulled to opposite ends of the cell

Answer 32

Anaphase

Question 33

the sister chromatids of each chromosome, separate from one another (an event described as ___), and pulled to opposite ends of the cell.

Answer 33

disjunction

Question 34

As the anaphase proceed, each migrating chromatid is now referred to as a

Answer 34

daughter chromosome

Question 35

The steps that occur during anaphase are critical in providing each subsequent daughter cell with an identical set of chromosomes tru or false

Answer 35

tru