Molecular Biology MCQs

1

Which processes are parts of mRNA maturation?

1

Down syndrome is caused by

1

During anaphase II of meiosis

1

What is a promoter

1

A primer is a short sequence of

1

A primer is a short

1

DNA replication is

1

Necrosis is

1

The nucleosome

1

RNA Polymerase III transcribes:

1

Synapsis occurs during

1

Which statements for oogenesis are true?

1

Oogenesis begins

1

In oogenesis meiosis II is accomplished

1

A missense mutation

1

tRNA carries

1

snRNA are localized in the

1

snRNA is used in

1

Helicase

1

Necrosis is characterized by

1

In eukaryotes the first amino acid synthesized during translation is

1

Western blotting is a method for detection of:

1

Southern blotting is a method for
detection of:

1

Northern blotting is a method for detection of

1

The nitrogen bases in the DNA helix are linked by

1

In metaphase of mitosis

1

Pyrimidines are

1

Purines are

1

Mitochondrial DNA is

1

If the mRNA has 90 codons, then the polypeptide chain is made of

1

. mRNA

1

The acrosomal reaction

1

The cortical reaction

1

Crossing-over occurs during

1

Okazaki fragments form in the process of:

1

. A missense mutation changes the

1

PCR is a method for amplification of

1

47 XX+21 is the genetic formula of a
female with

1

A male with a karyotype 47, XXY has

1

A female with a karyotype 45, X0 has

1

The genetic formula 45, XO is typical of

1

Turner syndrome is

1

Edwards syndrome is a trisomy of chromosome

1

In proteins amino acids are linked by

1

In anaphase of mitosis

1

In meiosis sister chromatids separate during

1

An enhancer is a

1

In DNA nucleotides are linked by

1

The functions of miRNAs are

1

The nitrogen bases in the DNA helix are linked by

1

The 5’ cap is important for

1

The TATA sequence is commonly found
in:

1

In meiosis sister chromatids separate
during

1

The Robertsonian translocation is a

1

Which proteins control the cell cycle?

1

Polyadenylation occurs at

1

The spliceosome contains

1

Capacitation is a reaction that occurs in

1

The START codon for translation is

1

How many types of rRNA exist in
eukaryotes?

1

DNA replication takes place during

1

Prokaryotic mRNA

1

Heterochromatin

1

Euchromatin

1

Apoptosis

1

Which enzymes promote apoptosis?

1

Intron is the

1

Exon is the:

1

Spermatogenesis

1

The consequence of a nonsense mutation
is

1

The first AUG sequence in eukaryotes is
located in the

1

Kozak sequence

1

Which method is used for DNA
amplification?

1

Which enzyme is not involved in DNA
replication?

1

The acrosome is:

1

The polypeptide chain is built up of

1

In oogenesis meiosis II is accomplished

1

The nucleosome

1

The ribosome is a complex of

1

Restriction enzymes are used in

1

Which nucleic acid functions as a
ribozyme?

1

Plasmids are circular DNAs in

1

. The nucleosome contains

1

SSB proteins are required for

1

Which enzyme does not take part in DNA
replication?

1

Which enzyme unwinds DNA?

1

What is the sequence of the mRNA, if the DNA antisense strand is
AATCCGGAT?

1

Topoisomerase

Quiz sobre Molecular Biology MCQs, criado por Hussain Basheer em 07-06-2019.

Molecular Biology MCQs

Which processes are parts of mRNA maturation?

Down syndrome is caused by

During anaphase II of meiosis

What is a promoter

A primer is a short sequence of

A primer is a short

DNA replication is

Necrosis is

The nucleosome

RNA Polymerase III transcribes:

Synapsis occurs during

Which statements for oogenesis are true?

Oogenesis begins

In oogenesis meiosis II is accomplished

A missense mutation

tRNA carries

snRNA are localized in the

snRNA is used in

Helicase

Necrosis is characterized by

Southern blotting is a method for
detection of: