A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?

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#Question id: 23912

#Unit 1. Molecules and their Interaction Relevant to Biology

A significant effect of climate change on account of global warming of terrestrial plants will be on:

TLS Online TPP Program

#Question id: 21127

#Unit 12. Applied Biology

Which one of the following measures the heart and respiratory rates?

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#Question id: 68

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I               COLUMN II

1. Anhydride               a. RCOOR

2. Ether                       b. ROCOCH3

3. Acetyl                     c. ROR

4. Amido                     d. RCOOCOR

5. Ester                        e. RCONH2

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#Question id: 15008

#Unit 8. Inheritance Biology

You have a white eyed, male fruit fly with vestigial wings and a wild type female known to be heterozygous for both traits. You know that vestigial is located on an autosome. What is the probability that a mating between these two flies will generate a female offspring with vestigial wings and white eyes?

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#Question id: 12237

#Unit 10. Ecological Principles

Which of the following occurred first during the separation of the elements of Pangaea through continental drift?