Neurofibromatosis, a benign tumor of the sheath cells that surround nerves, is caused by

a.  Loss of both alleles of NF1

b.  Mutation in RAS GAP-type protein

c.  A single mutant NF1 allele

d.  Mutation in SRC protein

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#Question id: 5452

#Unit 8. Inheritance Biology

What are polygenes?

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#Question id: 2614

#Unit 2. Cellular Organization

Effects in synthesis, if replaces trp codons with different amino acids;

His concentration low	Run/ On
Ala concentration High	Off

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#Question id: 11063

#Unit 7. System Physiology – Animal

A man inspires 1000 ml from a spirometer. The intrapleural pressure was −4 cm H2O before inspiration and −12 cm H2O the end of inspiration. What is the compliance of the lungs?

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#Question id: 4396

#Unit 3. Fundamental Processes

It is suspected that a novel protein only interacts with the promoter region of a gene. Which of the following techniques should be used to confirm this suspicion?

A. EMSA

B. DNase footprinting

C. Filter binding

D. Gel mobility shift assay

TLS Online TPP Program

#Question id: 24655

#Unit 2. Cellular Organization

Which of the following integral membrane protein transport chemotherapeutic drug out of the cell and prevents their accumulation within a tumor and thus blocks their therapeutic effects?