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#Question id: 9251


Which of the following is responsible for the differences in summer and winter temperature stratification of deep temperate zone lakes?

#Unit 9. Diversity of Life Forms
  1. Water is most dense at 4°C.
  2. Oxygen is most abundant in deeper waters.
  3. Winter ice sinks in the summer.
  4. Stratification is caused by a thermocline
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#Question id: 3438

#Unit 11. Evolution and Behavior

The type of learning that causes specially trained dogs to salivate when they hear bells is called

TLS Online TPP Program

#Question id: 23557

#Unit 1. Molecules and their Interaction Relevant to Biology

The aim of vocationalisation of education is:

TLS Online TPP Program

#Question id: 5265

#Unit 8. Inheritance Biology

The mechanism by which genes are transferred into bacteria via viruses is called

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#Question id: 1522

#Unit 4. Cell Communication and Cell Signaling

Conversion of a proto-oncogene into an oncogene, also called activation, generally involves a gain-of-function mutation. Following statements are regarding to the mechanisms that produce oncogenes from the corresponding proto-oncogenes.

A. A change in a single base pair in a proto-oncogene that results in a hyperactive or constitutively active protein product.

B. A chromosomal translocation that fuses two genes together to produce a hybrid gene encoding a chimeric protein whose activity, unlike that of the parent proteins, is permanently suppress.

C. A chromosomal translocation that brings a growth regulatory gene under the control of alternative enhancers that cause inappropriate expression of the gene.

D. Amplification of a DNA segment including a proto-oncogene so that numerous copies exist, leading to overproduction of the encoded protein.

Which of the following statements are correct?

TLS Online TPP Program

#Question id: 11937

#Unit 7. System Physiology – Animal

Transmission of the electrical signal from the dendrites to the soma of a neuron occurs by which of the following?