Thalidomide, now banned for use as a sedative during pregnancy, was used in the early 1960s by many women in their first trimester of pregnancy. Some of these women gave birth to children with limb and organ deformities, suggesting that the drug most likely influenced ________.

TLS Online TPP Program

#Question id: 14764

#Unit 2. Cellular Organization

Match the following proteins (Column I) with their function (Column II). Which of the following is correct?

Column I	Column II
a. Profilin	i. binds to the (+) end of an actin filament, thereby inhibiting subunit addition or loss.
b. Cofilin	ii. blocks (−) ends, inhibits filament disassembly, to stabilize filaments
c. Thymosin-β4	iii. involved in actin treadmilling, but it binds specifically to F-actin in which the subunits contain ADP
d. Cap Z	iv. binds ADP–G-actin and catalyzes the exchange of ADP for ATP
e. Tropomodulin	v. binds to ATP–G-actin in such a way that it inhibits addition of the actin subunit to either end of the filament.

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#Question id: 300

#Unit 1. Molecules and their Interaction Relevant to Biology

Hydrogen bonding occurs in molecules when ___________________.

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#Question id: 4695

#Unit 3. Fundamental Processes

snRNAs undergo specific post-transcriptional modifications, such as pseudouridinylylation and the addition of methyl groups. These modifications occur in__A__,  where they are directed by__B_.

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#Question id: 23789

#Unit 7. System Physiology – Animal

Which of the following is correct regarding Optic nerve lesion?

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#Question id: 10746

#Unit 10. Ecological Principles

The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.