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BIOL1001- Vidrine, M. > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

ability of DNA to change
A. replication
B. transcription
C. synapsis
D. mutation
E. condensation

A

mutation

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2
Q

ability of DNA to conjoin maternal and paternal chromosomes
A. replication
B. transcription
C. synapsis
D. mutation
E. condensation

A

synapsis

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3
Q

ability of DNA to supercoil
A. replication
B. transcription
C. synapsis
D. mutation
E. condensation

A

condensation

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4
Q

ability of DNA to copy itself
A. replication
B. transcription
C. synapsis
D. mutation
E. condensation

A

replication

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5
Q

ability of DNA to make RNA
A. replication
B. transcription
C. synapsis
D. mutation
E. condensation

A

transcription

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6
Q

The “start” codon in the genetic code is
A. GO
B. AUG
C. UUU
D. AGU
E. none of the above

A

b. AUG

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7
Q

Three base unit of mRNA which codes for an amino acid is a:
A. cistron
B. codon
C. anticodon
D. triplet
E. trypsin

A

b. codon

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8
Q

Three base unit of tRNA which codes for an amino acid is a:
A. cistron
B. codon
C. anticodon
D. triplet
E. trypsin

A

c. anticodon

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9
Q

Membranous system which builds conjugate polymers of lipids and proteins are:
A. golgi
B. ser
C. rer
D. lysosomes
E. all of the above

A

a. golgi

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10
Q

DNARNA____metabolismlife. A. genes, B. cells, C. enzymes, D. all of the above, E. none of the above

A

C. enzymes

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11
Q

The bases in DNA are:
A. ATCG
B. TACU
C. GABC
D. TAYZ
E. ABCD

A

A. ATCG

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12
Q

The major hypothesis governing enzyme genetics is:
A. nucleic acid content
B. one geneone enzyme
C. lock and key
D. all of the above
E. none of the above

A

C. lock and key

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13
Q

site of ATP synthesis
a. mitochondria
b. rer
c. ser
d. chloroplasts
e. golgi

A

mitochondria

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14
Q

site of protein synthesis
a. mitochondria
b. rer
c. ser
d. chloroplasts
e. golgi

A

rer

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15
Q

site of photosynthesis
a. mitochondria
b. rer
c. ser
d. chloroplasts
e. golgi

A

chloroplasts

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16
Q

site of macromolecular synthesis and packaging
a. mitochondria
b. rer
c. ser
d. chloroplasts
e. golgi

A

golgi

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17
Q

site of carbohydrate and lipid synthesis
a. mitochondria
b. rer
c. ser
d. chloroplasts
e. golgi

A

ser

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18
Q

The molecules DNA and RNA have ____ backbones. A. nitrogenous bases
B. ATP
C. sugar-phosphate
D. protein
E. phosphate.

A

C. sugar-phosphate

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19
Q

Can a type O blood type father have a type AB blood type child?
A. yes, B. no.

A

A. yes

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20
Q

The development of Round-up Ready (RR) rice and soybeans may lead to the end of flooding rice fields for weed control.
A. true, B. false

A

A. true

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21
Q

With incomplete dominance, a red bull and a white cow have calves that are F1 hybrids colored as:
A. red
B. white
C. roan
D. a mix of all of the above
E. none of the above

A

C. roan

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22
Q

Which is not a major characteristic of a gene?
A. piece of DNA
B. has triplets
C. has codons
D. occurs in all cells
E. major ingredient in the nucleus

A

C. has codons

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23
Q

Team science, mutation, mapping, crossing over, and neodarwinism are all products of the lab of:
A. Mendel
B. Watson
C. Morgan
D. Dobzhansky
E. none of the above

A

C. Morgan

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24
Q

In a paternity suit, the father (blood type O) is accused of fathering a child (type A) with the mother (type A). Is he the father by virtue of the blood type evidence?
A. yes, B. no

A

A. yes

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25
Q

percent/degree to which a dominant allele expresses itself
a. penetrance
b. meiosis
c. haploid
d. lethality
e. polypoid

A

penetrance

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26
Q

involves reduction division
a. penetrance
b. meiosis
c. haploid
d. lethality
e. polypoid

A

meiosis

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27
Q

gametic condition
a. penetrance
b. meiosis
c. haploid
d. lethality
e. polypoid

28
Q

Mendelian violation–ratio contains a ‘0’ e.g., 9:4:0
a. penetrance
b. meiosis
c. haploid
d. lethality
e. polypoid

29
Q

tetraploid as in watermelons
a. penetrance
b. meiosis
c. haploid
d. lethality
e. polypoid

30
Q

The impact of a single gene on many traits is:
A. interaction
B. codominance
C. pleiotropy
D. all of the above
E. none of the above

A

C. pleiotropy

31
Q

Huntington’s disease, Parkinson’s disease and cocaine usage are all related to the body’s use of the molecule known as:
A. dopamine
B. serotonin
C. aldosterone
D. melanin
E. colchicine

A

A. dopamine

32
Q

Cummulative interaction generates:
A. normal distributions
B. a wide-ranging trait variability
C. quantitative traits with ratios from Pascal’s triangle
D. all of the above
E. none of the above

A

D. all of the above

33
Q

An AB blood type mother and an O type father cannot have children with the following blood type:
A. A
B. B
C. O
D. A, B
E. C and D

A

E. C and D

34
Q

Kary Mullis authored:
A. gene theory
B. RFLP
C. PCR
D. enzymology
E. none of the above

35
Q

Phenotypically, the default sex morphotype is:
A. female, B. male.

36
Q

F2 of dihybrid cross–genotypic ratio
a. 1:2:1:2:4:2:1:2:1
b. 27:9:9:9:3:3:3:1
c. 9:7
d. 3:1
e. 9:3:3:1

A

1:2:1:2:4:2:1:2:1

37
Q

F2 of trihybrid cross–phenotypic ratio
a. 1:2:1:2:4:2:1:2:1
b. 27:9:9:9:3:3:3:1
c. 9:7
d. 3:1
e. 9:3:3:1

A

27:9:9:9:3:3:3:1

38
Q

F2 of dihybrid cross–genotypic ratio; nonMendelian
a. 1:2:1:2:4:2:1:2:1
b. 27:9:9:9:3:3:3:1
c. 9:7
d. 3:1
e. 9:3:3:1

39
Q

F2 of monohybid cross–phenotypic ratio
a. 1:2:1:2:4:2:1:2:1
b. 27:9:9:9:3:3:3:1
c. 9:7
d. 3:1
e. 9:3:3:1

40
Q

F2 of dihybrid cross–phenotypic ratio
a. 1:2:1:2:4:2:1:2:1
b. 27:9:9:9:3:3:3:1
c. 9:7
d. 3:1
e. 9:3:3:1

41
Q

The eukaryotic cell is a community of prokaryotic cells.
A. true, B. false

42
Q

Genetic testing before birth involves a test called amniocentesis.
A. true, B. false

43
Q

Down syndrome involves Trisomy ___.
A. 15
B. 7
C. 13
D. 31
E. none of the above

A

E. none of the above

44
Q

Klinefelter’s syndrome involves an extra chromosome and is represented by:
A. XXX
B. XXY
C. XYY
D. YYY
E. none of the above

45
Q

Gregor Mendel is father of genetics.
A. true, B. false

46
Q

Lock and key mechanisms depict:
A. the unique morphology of each enzyme
B. the specificity of enzymes
C. the ability of single enzymes to have powerful impacts on metabolic pathways
D. all of the above
E. none of the above

A

D. all of the above

47
Q

One gene-one enzyme theory assigns:
A. one gene to each enzyme
B. one allele to each enzyme
C. one protein from each allele
D. all of the above
E. none of the above

A

D. all of the above

48
Q

Sickle cell (HbS) and thalassemia (HbT) are:
A lethal but codominant
B. abnormal hemoglobins
C. resistant to malaria
D. all of the above
E. none of the above

A

D. all of the above

49
Q

Lethals include Huntington’s disease, a condition caused by a ___ allele.
A. codominant
B. recessive
C. dominant
D. all of the above
E. none of the above

A

C. dominant

50
Q

Mendel’s Law of segregation does not apply to linked genes on the same chromosome.
A. true, B. false

51
Q

central theory of molecular genetics
a. DNARNAProteins
b. triplets
c. amino acid
d. anticodons
e. codons

A

DNARNAProteins

52
Q

three base units of DNA code
a. DNARNAProteins
b. triplets
c. amino acid
d. anticodons
e. codons

53
Q

tRNA is an ____ recognition system
a. DNARNAProteins
b. triplets
c. amino acid
d. anticodons
e. codons

A

amino acid

54
Q

three base units of RNA found on the tRNA
a. DNARNAProteins
b. triplets
c. amino acid
d. anticodons
e. codons

A

anticodons

55
Q

three base units of RNA found on the mRNA
a. DNARNAProteins
b. triplets
c. amino acid
d. anticodons
e. codons

56
Q

The SRY gene is found in:
A. females
B. males

57
Q

A representation of a genotype as AB/ab indicates:
A. linkage between genes A and B,
B. distance between two genes, A and B
C. locus of an individual gene A respective to B on a chromosome
D. all of the above
E. none of the above

A

A. linkage between genes A and B

58
Q

Mendel’s classical genetics includes:
A. particulate inheritance
B. law of segregation
C. law of independent assortment
D. law of dominance
E. all of the above

A

D. law of dominance

59
Q

In modern crime investigation, ___ is used to increase the amount of DNA,
and ___ is used to conduct the DNA fingerprinting.
A. RFLP, PCR
B. PCR, RFLP
C. PCX, RFD
D. all of the above
E. none of the above

A

B. PCR, RFLP

60
Q

Karyotyping includes:
A. number of chromosomes
B. ploidy
C. chromosome banding
D. all of the above
E. none of the above

A

D. all of the above

61
Q

gene control mechanism employing ‘jumping genes’
a. Operon hypothesis
b. Second messengers
c. transcriptional control
d. Negative feedback
e. Transposons

A

Transposons

62
Q

gene control mechanism unique to eukaryotes
a. Operon hypothesis
b. Second messengers
c. transcriptional control
d. Negative feedback
e. Transposons

A

transcriptional control

63
Q

gene control mechanism using hormones and cAMP
a. Operon hypothesis
b. Second messengers
c. transcriptional control
d. Negative feedback
e. Transposons

A

second messengers

64
Q

gene control mechanism–gene product turns off gene
a. Operon hypothesis
b. Second messengers
c. transcriptional control
d. Negative feedback
e. Transposons

A

negative feedback

65
Q

gene control mechanism with regulators and promoters
a. Operon hypothesis
b. Second messengers
c. transcriptional control
d. Negative feedback
e. Transposons

A

operon hypothesis

BIOL1001- Vidrine, M. (1 decks)

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