Practice Questions

TLS Online TPP Program

#Question id: 117

Which of the following is not true of sterols?

#Unit 1. Molecules and their Interaction Relevant to Biology

Cholesterol is a sterol that is commonly found in mammals.
They are commonly found in bacterial membranes.
They are more common in plasma membranes than in intracellular membranes (mitochondria, lysosomes, etc.).
They are precursors of steroid hormones.

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TLS Online TPP Program

#Question id: 10683

#Unit 10. Ecological Principles

Which of the following interaction shown in figure

TLS Online TPP Program

#Question id: 26362

#Unit 2. Cellular Organization

In a cluster of genes mispairing between nonallelic loci can cause unequal crossing over can gives arise

TLS Online TPP Program

#Question id: 34144

#Unit 7. System Physiology – Animal

Select A if the item is associated with (a), B if the item is associated with (b), C if the item is associated with both (a) and (b), and D if the item is associated with neither (a) nor (b).

(a) V1A vasopressin receptors

(b) V2 vasopressin receptors

I. Activation of Gs

II. Vasoconstriction

III. Increase in intracellular IP3

IV. Movement of aquaporin

V. Milk ejection

TLS Online TPP Program

#Question id: 32577

#Unit 2. Cellular Organization

Which of the following binds to and stabilizes microtubules & causing a net increase in tubulin polymerization?

TLS Online TPP Program

#Question id: 507

#Unit 1. Molecules and their Interaction Relevant to Biology

Isozymes are enzymes