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Ber [7]
3 years ago
11

1. What function do photoreceptor cells perform?

Biology
1 answer:
Eddi Din [679]3 years ago
5 0

Answer:

The correct answer is 3 They detect light,allowing the spiders to see colors.

Explanation:

Photoreceptors are also called transducin  presnt in the rod cells of retina and play an important role in vision.

     The phoreceptor is a G protein coupled receptor that contain GDP.When light strikes the eye the GDP is coverted to GTP resulting in the activation of the photo receptors.

 The activation of photo receptors result in the closure of Na+ ion channels leading to hyperpolarization caused by lowering the cellular label of cGMP by the activation of phosphodiesterase enzyme.

  This ultimately result in the formation of 5"GMP.

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Que caracteristicas comparten todas las celulas eucariotas ?
Olenka [21]

Explanation:

Las células eucariotas son muy diversas en forma, forma y función. Sin embargo, algunas características internas y externas son comunes a todos. Estos incluyen una membrana plasmática (celular), un núcleo, mitocondrias, orgánulos unidos a la membrana interna y un citoesqueleto.

4 0
3 years ago
While looking at a cell under a microscope, a scientist is able to see a biological molecule. This molecule is a nucleic acid wi
Rainbow [258]
In the cyto plasm i think 

6 0
3 years ago
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A newly synthesized protein destined for secretion from a eukaryotic cell will generally:______.
ycow [4]

A newly synthesized protein destined for secretion from a eukaryotic cell will generally Rough ER - Golgi- transport vesicle - plasma membrane.

<h3>What is eukaryotic cell?</h3>
  • Eukaryotes are organisms having cells that contain a nuclear envelope around their nucleus.
  • They are a member of the Eukaryote class of organisms.
  • One of the three domains of life is the eukaryotic domain.
  • The other two are the bacterial and archaeal domains.
  • Organisms called eukaryotes have nuclei and membrane-bound organelles in their cells.
  • Eukaryotic creatures come in a great variety, including most algae, all animals, plants, fungus, and protists.
  • Eukaryotes are multicellular or unicellular organisms.
  • The primary distinction between these two categories of organisms is that eukaryotic cells have a membrane-bound nucleus while prokaryotic cells have not.
  • The nuclei of eukaryotes house their genetic material.

Learn more about eukaryotic cell here:

brainly.com/question/18093961

#SPJ4

3 0
1 year ago
Is the amplitude of each wave (P, ORS, T) always the same in different cardiac cycles?
Citrus2011 [14]

No the amplitude of each waves are different on different cardiac cycles.

<u>Explanation:</u>

  • The PQRST waves are used to represent the atrial and ventricular depolarization and repolarization.  These waves are reflected in ECG.  
  • In this as the series, p occupies the first place then QRS complex and at last T wave. In the QRS wave complex,  R wave is said to be the largest wave.  
  • The direction and amplitude of r wave depend on the electrical picture. The R wave represents the ventricles depolarization so it is the largest wave.
4 0
3 years ago
Please help me anything helps.
oksian1 [2.3K]

Answer: at the center of tectonic plates hope this helpsヾ(•ω•`)o

Explanation:

7 0
2 years ago
Read 2 more answers
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