The description above refers to a disease called Broca's desease which incudes symptoms like confusion, loss of muscle coordination and many times is related to unintelligible speech. Researchers have concluded that these symptoms arise due to a deficiency of the vitamin known as thiamine.
Answer:
Plants stem grow against the gravity while roots grow towards the gravity and this prices is known as the geotropism or gravitism explains that the roots grow toward the direction of the gravity pull termed as positive geotropism.
Auxin is a hormone that acts at the bottom of the cell and have different function in roots and stems as in stems it promotes the elongation of the cell against gravity while in roots it is promotes the elongation of the cell towards the gravity.
<span>The human population is increasing, so the likelihood of a mass extinction is also increasing.
The human population is increasing, and historically, as human population has increased, species have gone extinct. As human population increases, and also destroy more habitats to pay for higher standards of living, the probability of mass extinction increases. </span>
The student is wrong. Phosphorylation
cascade is important in cell signaling. Most cell signaling involves cyclic AMP (synthesized from
ATP). The cAMP activates Protein Kinases (PKA)
that phosphorylates protein
substrates involved in the signaling pathways
such as the GPCR. This helps in amplifying the initial signal.
A. The Deepwater Horizon
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