FREE AND STUDY GAMES ABOUT MOLE. DIAGNOS. EXAMS

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FREE AND STUDY GAMES ABOUT MOLE. DIAGNOS. EXAMS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -139 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: An analysis that takes place in silico is happening in which of the following places?

Answer:

Computer Question 2: Li-Fraumeni syndrome, in which affected patients have an increased predisposition to cancer, is caused by a mutation in which of the following genes?

Answer:

p53 tumor suppressor gene Question 3: When gene expression is regulated by mechanisms other than the interaction of cis

elements and trans factors, the regulation is called:

Answer:

epigenetics Question 4: a family reveals that about 50% of the males in the family are affected by a mutation and about 50% of the females are carriers of the mutation that affects the males.

Answer:

. X-linked recessive

Question 5: Which of the following is a genetic sequence database that is sponsored by the National Institutes of Health?

Answer:

GenBank Question 6: In translation, what is the starting material, ending material, and the major enzyme that catalyzes the process?

Answer:

RNA, protein, peptidyl transferase Question 7: Which of the following is the molecular target for most epidemiological investigations of Mycobacterium tuberculosis?

Answer:

IS6110

Question 8: Which of the following is a purine?

Answer:

Adenine and Guanine Question 9: Which of the following is involved in connecting the centromere to the spindles during chromosome segregation in mitosis?

Answer:

Kinetochore Question 10: All sex-linked disorders involve which of the following chromosomes?

Answer:

X Question 11: A nucleosome consists of DNA and which of the following combinations of histone proteins?

Answer:

2(H2a), 2(H2b), 2(H3), 2(H4)

Question 12: An individual who has two populations of cells that were derived from two different

zygotes is called a:

Answer:

chimera

Question 13: In DNA replication, where does replication begin and end?

Answer:

Origin of replication; end of the molecule Question 14: Diethyl pyrocarbonate (DEPC) is a chemical that is used to:

Answer:

inactivate RNAses Question 15: Which of the following genetic diseases is a storage disease in which sulfatides accumulate inside the lysosomes?

Answer:

Niemann-Pick Question 16: The chemical nature of alanine, leucine, phenylalanine, and tryptophan is

described as:

Answer:

nonpolar Question 17: The ability of a typing method to distinguish between unrelated strains is which of the following criteria?

Answer:

Discriminatory power Question 18: In the lactose operon, which of the following configurations would result in gene expression?

Answer:

Promoter +, Operator +, Repressor -, no inducer present

Question 19: When two sequences are found to be the same, they have which of the following?

Answer:

Identity Question 20: Which of the following typing methods has high typing capacity, discriminatory power, reproducibility, and moderate ease of use?

Answer:

PFGE Question 21: Which of the following assays can be used to detect multiple mutations simultaneously?

Answer:

Invader assay Question 22: A patient presented complaining of slurred speech and difficulty swallowing. The patient's DNA was tested to determine the number of CAG repeats in the Huntingtin gene by PCR. The patient had 10-29 repeats. This result is interpreted as?

Answer:

Normal Question 23: Which of the following syndromes is caused by deletions in mitochondrial genes as detected by Southern blot?

Answer:

Pearson's Question 24: What is the yield of DNA from the sample described in Question 11 when the sample has a volume of 0.5 mL?

Answer:

37.5 ?g Question 25: Which of the following polymorphisms can be used to compare DNA samples derived from males but not females?

Answer:

Y-STR