Biology College

A neuroscientist is interested in seeing how quickly groups of neurons can respond to a complex
sequence of stimuli. Which parameters would be most important for measuring responses given
the technique she chooses to use?

Answers

Answer 1

EEG stands for electroencephalography, a procedure in which electrodes are tiny detectors that are applied to the scalp using a cap or a headset. The electrical activity of clusters of neurons that simultaneously transmit electrical impulses with a similar pattern is measured by EEG.

What method is the most widely used to gauge brain activity?

Electroencephalography (EEG), magneto encephalography (MEG), and functional magnetic resonance imaging (fMRI) are the three most popular and often utilized measurements (EEG). EEG is the most adaptable and economical approach among these techniques.

Which of the following can be used to assess the neuronal activity of the brain?

An EEG can identify variations in brain activity that may help in the diagnosis of several brain illnesses, including epilepsy or another seizure disorder.

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Related Questions

If you are watching a bird fly from one tree to another, the _____ is responsible for tracking that object.
red nucleus
thalamus
suprachiasmatic nucleus
superior colliculus
hypothalamus

Answers

The correct option is  A; Red nucleus , If you are watching a bird fly from one tree to another, the Red nucleus is responsible for tracking that object.

Anatomists have long debated the anatomical nature and content of the red nucleus. This midbrain region is vital for movement, and numerous theories propose that it changed drastically with the evolution of bipedalism.

Because there is still considerable disagreement in the scientific community about this structure, this article will concentrate exclusively on the anatomical and functional properties that have been agreed upon within the arena.

The efferent and afferent pathways, gross anatomy, and clinical points associated with the nucleus will be highlighted in particular.

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Which of the following most likely would be an immediate result of growth factor binding to its receptor?
a. protein kinase activity
b. adenylyl cyclase activity
c. GTPase activity
d. protein phosphatase activity
e. phosphorylase activity

Answers

Protein kinase activity would be an immediate result of growth factor binding to its receptor.

Thus, the correct answer is A.

What is the growth factor?

Growth fаctors аre smаll extrаcellulаr ligаnds thаt trаnsmit signаls between cells аnd their environment. They cаn control cell function by binding to trаnsmembrаne receptors, аctivаting а myriаd of different intrаcellulаr signаling pаthwаys. Growth fаctors commonly bind to the receptor tyrosine kinаse fаmily of trаnsmembrаne receptors (RTKs).

RTKs hаve аn extrаcellulаr domаin thаt binds to ligаnd, а trаnsmembrаne domаin, аnd аn intrаcellulаr domаin thаt hаs tyrosine kinаse аctivity. Once bound to ligаnd, the RTKs dimerize, аnd trаnsphosphorylаte on tyrosine residues. This usuаlly leаds to the binding of аdаpter proteins to the phospho-tyrosine residues, leаding in turn to а cаscаde of events within the cell.

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Carbon forms the basis of all the following except _____.

Choose one:

-fats

-nucleic acids

-sugar

-metals

Answers

pretty sure it’s metals!!
Metals is the correct answer.

Carbon forms the basis of all the following: fats, nucleic acids, and sugar. However, metals are not formed from carbon.

Carbon is a chemical element that is the building block of all known life on Earth. It is a highly versatile element that can form a wide variety of compounds, including fats, nucleic acids, and sugars. Fats and oils are composed of long chains of carbon atoms bonded to hydrogen atoms, and they are important sources of energy for living organisms. Nucleic acids are complex molecules that carry the genetic information for living organisms, and they are made up of long chains of nucleotides, which are composed of carbon, hydrogen, oxygen, and nitrogen atoms. Sugars are simple carbohydrates that are composed of carbon, hydrogen, and oxygen atoms, and they are important sources of energy for living organisms.

Metals, on the other hand, are a class of chemical elements that are characterized by their ability to conduct electricity and heat, and they are not composed of carbon. Some examples of metals include copper, gold, iron, and silver.
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