DskA is required for the regulation of rrn  transcription by these two small molecules. Indeed, rrn  transcription is insensitive to iNTP and ppGpp in mutants lacking DskA.

TLS Online TPP Program

#Id: 2040

#Unit 8. Inheritance Biology

Bacterial Defense -

a. Secrete polysaccharide coats

b. Prevent viruses from injecting their nucleic acids

c. Restriction endonucleases

d. CRISPR- Cas systems

TLS Online TPP Program

#Id: 10231

#Unit 6. System Physiology – Plant

BIN2 is a serine/threonine protein kinase that, in the absence of brassinolide, negatively regulates the closely related transcription factors BES1 and BZR1 by phosphorylation.

TLS Online TPP Program

#Id: 4014

#Unit 7. System Physiology – Animal

Membrane ion channels that play important roles in generation of the action potential:

T (transient) channels 

L (long-lasting) channels Voltage gated potassium ion channel

TLS Online TPP Program

#Id: 1521

#Unit 2. Cellular Organization

Free-energy change for dissociation of a subunit from the D-form polymer is more favorable (negative) than the free-energy change for dissociation of a subunit from the T-form polymer.

TLS Online TPP Program

#Id: 7776

#Unit 2. Cellular Organization

In one minute, each NPC is estimated to import 60,000 protein molecules into the nucleus, while exporting 50–250 mRNA molecules, 10–20 ribosomal subunits, & 1000 tRNAs out of the nucleus.