A student encounters an animal embryo at the eight-cell stage. The four smaller cells that comprise one hemisphere of the embryo seem to be rotated 45 degrees and lie in the grooves between larger, underlying cells (spiral cleavage). If we were to separate these eight cells and attempt to culture them individually, then what is most

likely to happen?

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#Question id: 12382

#Unit 7. System Physiology – Animal

A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.

What is the approximate interstitial fluid volume?

TLS Online TPP Program

#Question id: 10398

#Unit 6. System Physiology – Plant

Which of the following phytochromes shows very few responses due to their highly regulated transcriptional and translational level?

TLS Online TPP Program

#Question id: 5073

#Unit 5. Developmental Biology

The emergence of the polarity of an embryo is the result of:

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#Question id: 30697

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true regarding Plasmalogen and Platelet-activating factor

a. The head group of Plasmalogen – ethanolamine

b. The head group of Plasmalogen – choline

c. The head group of Platelet-activating factor – ethanolamine

d. The head group of Platelet-activating factor – choline

TLS Online TPP Program

#Question id: 5649

#Unit 5. Developmental Biology

From earliest to latest, the overall sequence of early development proceeds in which of the following sequences?