Based on cladistics, which eukaryotic kingdom is polyphyletic and, therefore, unacceptable?

TLS Online TPP Program

#Question id: 10989

#Unit 7. System Physiology – Animal

What is the resting membrane potential of the sinus nodal fibers?

TLS Online TPP Program

#Question id: 33694

#Unit 2. Cellular Organization

Find true & false statements

A. Gene clusters mispairing between nonallelic loci can cause unequal crossing over. 

B. Unequal crossing over produces a deletion in one recombinant chromosome and a corresponding duplication in the other.

C. Different thalassemias are caused by various duplication that eliminate a- or b-globin genes.

TLS Online TPP Program

#Question id: 32350

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphorylated form of pyruvate kinase 

a. Strongly inhibited by ATP and alanine

b. Activated by AMP, F-1,6-BP

c. Inhibited by ATP & acetyl CoA

d. Covalent phosphorylation strongly inhibits pyruvate kinase

Which of the above statements are correct

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#Question id: 2992

#Unit 2. Cellular Organization

DNA was isolated from three different cell types of the same organism, the relative DNA content for each type was determined, and the results were plotted on the graph shown in the figure below. Refer to the graph to answer the following questions. Which sample of DNA might be from a cell that stopped the process of cell division in G0 phase of the cell cycle prior to meiosis?

TLS Online TPP Program

#Question id: 1762

#Unit 4. Cell Communication and Cell Signaling

What do Th1 cells secrete?