Free and unesterified fatty acids bind to one of a number of chaperone proteins in order to be transported in the aqueous environment of the cytosol. Which of the following facilitates this intracellular transport?

TLS Online TPP Program

#Question id: 8778

#Unit 9. Diversity of Life Forms

The following question refers to this phylogenetic tree, depicting the origins of life and the three domains. Horizontal lines indicate instances of gene or genome transfer.

A possible phylogenetic tree for the three domains of life.

If the early history of life on Earth is accurately depicted by the figure, then which statement is most in agreement with the hypothesis proposed by this tree?

TLS Online TPP Program

#Question id: 12306

#Unit 7. System Physiology – Animal

 Which of the following is true of the tubular fluid that passes through the lumen of the early distal tubule in the region of the macula densa?

TLS Online TPP Program

#Question id: 11508

#Unit 9. Diversity of Life Forms

Which of these taxa contains species that produce potent toxins that can cause extensive fish kills, contaminate shellfish, and poison humans?

TLS Online TPP Program

#Question id: 20321

#Unit 4. Cell Communication and Cell Signaling

Quorum sensing receptors are-

a. histidine sensor kinases

b. cytoplasmic transcription factors

c.  tyrosine kinases

TLS Online TPP Program

#Question id: 778

#Unit 1. Molecules and their Interaction Relevant to Biology

Inactive miRNA undergoes how many cleavages before incorporation into the RISC complex?