TLS Online TPP Program

#Question id: 15461


When doing experiments with bacteria,

#Unit 2. Cellular Organization
  1. it is usually not necessary to standardize which stage of growth is used.
  2. it is best to use colonies as all the bacteria in a colony are at the same stage of growth.
  3. it is best to use bacteria from the same stage of growth.
  4. the age of the bacteria is not important.
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TLS Online TPP Program

#Question id: 12070

#Unit 7. System Physiology – Animal

A 26-year-old man develops glomerulonephritis, and his GFR decreases by 50% and remains at that level. For which of the following substances would you expect to find the greatest increase in plasma concentration?

TLS Online TPP Program

#Question id: 5014

#Unit 11. Evolution and Behavior

 Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear

TLS Online TPP Program

#Question id: 520

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes that catalyze the same reaction are called ________.

TLS Online TPP Program

#Question id: 5709

#Unit 8. Inheritance Biology

What is probability of couple where male is karyotypically normal and the female in pericentric inversion in heterozygous condition produced child with disability if 50% chance of crossing over takes placed within pericentric inversion. (Note: Duplication and deletion in gamete will results  in disability)

TLS Online TPP Program

#Question id: 15306

#Unit 4. Cell Communication and Cell Signaling

The transformation of a normal cell to a cancer cell is accompanied  by the loss of function of one or more tumor‐suppressor genes. High‐throughput sequencing studies have identified hundreds of genes that are implicated as tumor suppressors in humans. Some of the better characterized genes;

Gene

Primary tumor

Proposed function

i) APC

Colorectal

Binds β ‐catenin acting as transcription factor

ii) BRCA1

Breast

DNA repair

iii) MSH2, MLH1

Melanoma, pancreatic

p16: Cdk inhibitor

ARF: stabilizes p53

iv) E‐Cadherin

Breast, colon

Cell adhesion molecule

v) INK4a

Colorectal

Mismatch repair

vi) NF1

Neurofibromas

Activates GTPase of Ras

Choose incorrect matching regarding tumor‐suppressor genes/primary tumor/proposed functions;