A parasite Toxoplasma gondii infects rat and changes behaviour of rat through odour, such as

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#Question id: 24512

#Unit 10. Ecological Principles

which parasites are involve to changes in the behaviour of host and making that host more susceptible to being eaten by a second host ?

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#Question id: 19020

#Unit 9. Diversity of Life Forms

The main way that pine trees disperse their offspring is by using 

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#Question id: 28481

#Unit 5. Developmental Biology

A transcriptional factor Cdx2 which downregulate the Oct4 and nanog, also regulated by____

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#Question id: 3824

#Unit 3. Fundamental Processes

State whether the following statements is true/false regarding DNA replication.

1. The polymerization of DNA is essentially irreversible due to the hydrolysis of pyrophosphate.

2. On average about twenty errors are made during each replication of the human genome.

3. DNA polymerase I possesses 5ʹ → 3ʹ exonuclease activity.

4. All DNA ligase enzymes use ATP as a cosubstrate.

5. The purpose of SSB is to prevent single-stranded DNA from folding back on itself to form double-helical regions.

TLS Online TPP Program

#Question id: 33356

#Unit 1. Molecules and their Interaction Relevant to Biology

Hemoglobin undergoes substantial changes in quaternary structure on oxygen binding: the a1b1 and a2b2 dimers rotate with respect to each other by