BIO305 TMA1 Answers
Q1 Organisms that
reproduce sexually have __chromosome number.
diploid
haploid
hemiploid
euploid
Q2 Dogs have a total
of __ chromosomes.
59
48
24
78
Q3 Which of the
following is not true of chromosomes
they are esssential
for cellular division
they must be
replicated
they must be passed
successfully to their daughter cells
they are
embedded in thechromatin
Q4 The following are the
shapes of chromosomes except:
rod-like
spherical
filamentous
thread-like
Q5 __ postulated the
theory of mutations?
Benzer
Johannson
Morgan
De Veries
Q6 Who discovered
that chromosomes are the carriers of genes?
Morgan
De Veries
Benzer
Johannson
Q7 Which of the
following best describe a ricon?
a portion of DNA
specifying a single polypeptide chain
a subdivisional cocept of cistron provided as a result of
recombination of cistron
the smallest genetic
unit that can mutate
the smallest form of
alleles
Q8 The smallest
genetic unit that can mutate is a __.
ricon
loci
cistron
muton
Q9 A portion of DNA
specifying a single polypeptide chain is referred to as a __.
muton
gene
ricon
cistron
Q10 Which of the
following is not true of genes?
each occupies a specific
locus on a chromosomes
they are fundamental
units of heredity
they cannot be assorted
each is capable of
reproducing itself at each cell division
Q11 Who coined the
term gene?
Mendel
Johannson
Benzer
De Veries
Q12 Why is E. coli
particalarly useful for investigations of fundamental aspects of molecular
biology?
I. their genetic
simplicity, II. ease of study, III. microscopic nature.
I and II
II and III
I and III
all of the above
Q13 How many base
pairs does a genome of sacchoromyces cerevisae contain?
12 million
10 million
14 million
8 million
Q14 Which of the
following is the simplest eukaryotes?
escherichia coli
yeast
bacteria
plasmodium
Q15 __ is a common
method in which molecules are separated based on the rate of their migration in
an electric field.
resticted
fragmentation lenngth polymorphism analysis
polypherase chain
reaction
expression of cloned
genes
gel electrophorosis
Q16 __ is a molecular
cloning that enables the determination of the nucleotide sequence of genes.
gel electrophorosis
expression of cloned genes
restricted
fragmentation length polymorphism analysis
polymerae chain
reaction
Q17 Which of the
following molecular biology techniques allow individual DNA fragments to be
propagated in
bacteria and isolated in large amounts?
expression of cloned
genes
restricted
fragmentation length polymorphism analysis
polymerase chain reaction
gel electrophorosis
Q18 Which of the
following molecular biology techniques enable the isolation and
characterization of
individual genes?
nuceic acid hybridization
gel electrophoresis
restricted
fragmentation length polymorphism analysis
polymerase chain
reaction
Q19 The term
molecular biology was first used in the year __.
1948
1958
1945
1955
Q20 In which of the
following fields is the knowledge of molecular biology being applied? I.
Agriculture, II.
Biotechnology, III. medicine.
I and II
II and III
I and III
all of the above
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