Which of the following is not a component of a nucleotide?
Phosphate group
Anti-codon
Ribose sugar
Nitrogen base -
Answer☑️
Anti-codon
Quiz_________________?
According to Chargaff's rule of base pairing, adenine pairs with: -
Answer☑️
Thymine
Quiz_________________?
What genes would be screened in a breast cancer panel? -
Answer☑️
HER2, ERBB2, BRCA1
Quiz_________________?
Next Generation Sequencing uses: -
Answer☑️
,Short sequence reads
Quiz_________________?
Purines and pyrimidines differ from each other in that: -
Answer☑️
Purines have two rings; pyrimidines have one ring
Quiz_________________?
The purines are:
Cytosine and uracil
Adenine and thymine
Thymine and cytosine
Adenine and guanine -
Answer☑️
Adenine and guanine
Quiz_________________?
What is the rate of mutation per round of DNA replication?
1 in 1,000 base pairs
1 in 10,000 base pairs
1 in 1,000,000 base pairs
1 in 1,000,000,000 base pairs -
Answer☑️
1 in 1,000,000,000 base pairs
Quiz_________________?
The rate of DNA migration through an agarose gel during electrophoresis does not depend on which of
the following factors?
Net charge of the molecule
Size of the molecule
,Shape of the molecule
Nucleotide sequence of the molecule -
Answer☑️
Nucleotide sequence of the molecule
Quiz_________________?
What are the phases in a qPCR Amplification Plot?
Initiation, exponential, plateau
Baseline, exponential, plateau
Baseline, threshold, exponential, plateau
Baseline, initiation, threshold, exponential, plateau -
Answer☑️
Initiation, exponential, plateau
Quiz_________________?
Find the palindrome in this restriction enzyme site: 5'-CTGCAG-3'?
5'-GAC
3'-GAC
3'-CTG
5'-GTC -
Answer☑️
3'-GAC
Quiz_________________?
A patient with impaired judgment, personality changes, signs of abnormal body movements and
depression comes to the physician's office for a follow-up visit. The physician suspects a single-gene
disorder may be the cause of those clinical manifestations. A blood specimen was then sent to your
clinical laboratory for mutation screening in the Huntington gene. Testing with standard PCR indicates
that patient has Huntington Disease, HD. Which of the following would be consistent with this
diagnosis?
, 25 CAG repeats in the Huntington gene
85 CAG repeats in the Huntington gene
25 CGA repeats in the Huntington gene
85 CGA repeats in the Huntington gene -
Answer☑️
85 CAG repeats in the Huntington gene
Quiz_________________?
Which two HPV types are responsible for most cases of cervical cancer?
16 and 18
31 and 59
16 and 58
44 and 59 -
Answer☑️
16 and 18
Quiz_________________?
Replication forks, known as origins of DNA replication, are created by this enzyme:
Ligase
Taq Polymerase
Primase
Helicase -
Answer☑️
Helicase
Quiz_________________?
Mutation in what gene is associated with Fragile X syndrome? -
Answer☑️
FMR1