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PRELIMS > CYTOGEN (QUIZ) > Flashcards

CYTOGEN (QUIZ) Flashcards

1
Q

A karyotype is a visual profile of stained chromosomes. A karyogram is a complete set of chromosomes of an individual.

A. 1st statement is correct, 2nd statement is incorrect
B. Both statement are correct
C. Both statements are wrong
D. 1st statement is incorrect, 2nd statement is correct.

A

C

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2
Q

True or False:
E. coli is the only prokaryote with a single linear chromosome.

A

False

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3
Q

In Karyotyping, chromosomes are analyzed during:

A. Prophase
B. Metaphase
C. Anaphase
D. Telophase

A

B

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4
Q

True or False:
In its diffused state, chromosomes are termed as chromatids.

A

False

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5
Q

What stain is used in NOR staining?

A. Giemsa
B. Leishman
C. Silver
D. Gram Stain

A

C

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6
Q

True or False:
Prokaryotes have circular chromosomes.

A

True

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7
Q

True or False.
Circular chromosomes are found in the nucleoid region.

A

True

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8
Q

FISH applications are the following EXCEPT:

A. Detecting DNA sequences
B. Locating DNA sequences
C. Deleting DNA sequences
D. None of the above

A

C

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9
Q

Cytogenetic technique used to detect whether genes for a mutation are turned on or off:

A. FISH
B. DNA Microarray Analysis
C. Karyotyping
D. None of the above

A

B

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10
Q

True or False:
Interphase is the time when cells start to divide.

A

FALSE

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11
Q

True or false:
During Anaphase, chromosomes are arranged at the cell’s equatorial plate.

A

FALSE

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12
Q

Amino acids : proteins ; ﹏ : DNA

A. Saccharides
B. Triglycerides
C. Nucleotides
D. Others

A

C

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13
Q

Determine the Mitotic phase:
Nuclear envelope starts to disintegrate and spindle fibers form.

Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

A

Prophase

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14
Q

Determine the Mitotic phase:
Chromosomes are aligned at the equatorial plate.

Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

A

Metaphase

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15
Q

Determine the Mitotic phase:

Two new daughter cells are formed.

Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

A

Cytokinesis

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16
Q

Determine the Mitotic phase:
Formation of cleavage furrow

Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

A

Telophase

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17
Q

Determine the phase during Interphase:
Cell goes in time out. Performs normal functions but does not divide.

G1
G0
G2
S phase
M phase

A

G0

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18
Q

Determine the phase during Interphase:
Cell enters do not disturb mode and makes a copy of your genetic material.

G1
G0
G2
S phase
M phase

A

S phase

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19
Q

Determine the phase during Interphase:
Cell balloons in size and synthesizes molecules like protein, lipids, and carbohydrates.

G1
G0
G2
S phase
M phase

A

G1

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20
Q

Determine the phase during Interphase:
Cell adds finishing touches and gets ready to divide.

G1
G0
G2
S phase
M phase

A

G2

21
Q

Lipid Synthesis:

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

SER

22
Q

encapsulates the cell’s genetic material:

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Nucleus

23
Q

Energy extraction

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Mitochondria

24
Q

Dismantles Debris

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Lysosome

25
Q

Detoxification:

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Peroxisome

26
Q

Protein Synthesis:

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

RER

27
Q

Give shape and rigidity to the cell

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Cell wall

28
Q

Processes secretions

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Golgi apparatus

29
Q

Site of ribosome synthesis

Nucleus
Nucleolus
Cytoplasm
Cell wall
RER
SER
Golgi Apparatus
Lysozome
Lysosome
Peroxisome
Mitochondria
Endosome
Exosome

A

Nucleolus

30
Q

Who was the first animal to be cloned ?

Diego the Sheep
Dorothy the Sheep
Digong the Sheep
Dolly the Sheep

A

Dolly the Sheep

31
Q

True or False:

Gregor Mendel’s experiments reinforced the Theory of Blending.

A

False

32
Q

When a sperm cell and an egg cell meet, the resulting zygote will contain how many chromosomes?

46 pairs
36 pairs
23 pairs
26 pairs

A

23 pairs

33
Q

Determine the Mitotic phase:
Spindles disassemble, nuclear membrane reappears, cleaving of the cell occurs

Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

A

Telophase/Cytokinesis

34
Q

Frederick Sanger had a multitude of contributions to Genetics. In one of his experiments, he discovered the amino sequence of what compound in the human body?

glucagon
somatostatin
phenylalanine
glucose
insulin

A

insulin

35
Q

Rosalind Franklin has long been obscured when it comes to her contributions in the determination of DNA’s structure. What scientific proof did she provide that aided in the discovery of DNA’s double-helix structure?

Photo 31
Photo 41
Photo 51
Photo 61

A

Photo 51

36
Q

Case study:
A black-haired mother and a black-haired father have triplets, with 2 having black hair and 1 having ginger hair. Why does that 1 child have ginger hair instead of black hair?

The child with ginger hair was swapped during birth.
The mother has an affair with a ginger-haired man.
The father had an affair with a ginger-haired woman.
The ginger-haired child has a condition that causes a change in his/her hair color.
The ginger-haired child inherited 2 recessive alleles.
The ginger-haired child inherited a dominant allele.

A

The ginger-haired child inherited 2 recessive alleles.

37
Q

In the case study above, what could be the possible genotype of the mother?

Black hair
Ginger hair
BB
Bb
bb
None of the above

A

Bb

38
Q

In the case study above, what could be the possible genotype of the father

BB
Bb
bb
Black hair
Ginger hair
None of the above

A

Bb

39
Q

In the case study above, what could be the possible genotype of the ginger-haired child?

BB
bb
Bb
None of the above
Black hair
Ginger hair

A

bb

40
Q

How many chromosomes does a person have?

26 pairs
46 pairs
23 pairs
56 pairs

A

23 pairs

41
Q

How many chromosomes do somatic (body) cells have?

23
23 pairs
46 pairs
26
26 pairs

A

23 pairs

42
Q

How many chromosomes do gametes (sex) cells have?

23
23 pairs
46
46 pairs
26
26 pairs

A

23

43
Q

What is the correct arrangement from largest to smallest:

Chromosome<DNA<Nucleotides<Gene
Chromosome<Gene<DNA<Nucleotides
Chromosome<Nucleotide<Gene<DNA
Chromosome<DNA<Gene<Nucleotide

A

Chromosome<DNA<Gene<Nucleotide

44
Q

What is the correct arrangement from smallest to largest:

Nucleotide<DNA<Gene<Chromosome
Nucleotide<Chromosome<Gene<DNA
Nucleotide<Gene<DNA<Chromosome
DNA<Chromosome<Gene<Nucleotide

A

Nucleotide<Gene<DNA<Chromosome

45
Q

In meiosis, this is when two non-sister chromatids exchange genetic material.

Chromatid exchange
Synapsis
Genetic Barter
Genetic cross
Crossing over

A

Crossing over

46
Q

True or False:
In oogenesis, 4 ova (egg cells) are produced.

A

False

47
Q

True or False:
Spermatogenesis produces 1 viable sperm is and 3 polar bodies.

A

False

48
Q

What compound helps regulate the cell cycle?

Inhibins
Statins
Check cells
Proteins
Defensins

A

Proteins

49
Q

True or False:
During Cytokinesis in Meiosis, 4 identical haploid cells are produced.

A

False

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