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TLS Online TPP Program
#Question id: 12436
#Unit 10. Ecological Principles
A diagram of a food web, for the following questions. (Arrows represent energy flow and letters represent species.)
If this were a terrestrial food web, the combined biomass of C + D would probably be
TLS Online TPP Program
#Question id: 26869
#Unit 10. Ecological Principles
Conclude the NPP per Kg biomass per Year in decreasing order
TLS Online TPP Program
#Question id: 1166
#Unit 4. Cell Communication and Cell Signaling
In muscle, glycogen phosphorylase kinase can be activated by nerve stimulation even in the absence of hormonal signals. Nerve stimulation alone results in activation of glycogen phosphorylase kinase as a result of:
TLS Online TPP Program
#Question id: 16119
#Unit 7. System Physiology – Animal
Following statements are regarding to Shivering, which is the most potent mechanism for increasing heat production in the body.
A. Cold environmental temperatures activate centers in the posterior hypothalamus during shivering, which then activate the α and γ motoneurons innervating skeletal muscle.
B. Shivering involves skeletal muscle contracts rhythmically, generating heat and raising body temperature.
C. Shivering involves stimulation of Na+-K+ ATPase and raising body temperature.
D. Shivering involves stimulation of β receptors in brown fat, which increases metabolic rate and heat production.
Which of the following combination is correct?
TLS Online TPP Program
#Question id: 19291
#Unit 9. Diversity of Life Forms
Reptilian embryos are protected from desiccation by a leathery shell. Similarly, which pair of structures protects seed plantsʹ embryos and male gametophytes, respectively, from desiccation?