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Grace [21]
3 years ago
5

White blood cells,part of the____ system,work closely with the ____system to protect us from infection and disease

Biology
1 answer:
notsponge [240]3 years ago
3 0

Answer:

circulatory; immune

Explanation:

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What is a signal molocule
Annette [7]

Answer:

signal molecule is a general term for molecules also called (ligands)that bind specifically to other molecules (such as receptors). hope it helps!!

3 0
2 years ago
Damage to sensory receptor cells would most likely result in ________. I. confusion of visual and auditory input II. inaccurate
MatroZZZ [7]

Answer:

The correct answer is: None of the above. The accurate answer is: Problem or inability in detecting the sensory information.

Explanation:

  • Sensory receptor cells form the part of the sensory epithelial layer that are present in the form of a lining in all sensory organs.
  • These sensory cells possess some specialised receptor molecules, usually on the surface of the cells, that can sense different types of sensory signals like light, in case of eyes, smell is case of nose, taste in case of tongue and sound in case of ears.
  • Any damage caused to these cells will adversely affect their capability to perceive or receive or detect the sensory signals.
  • Option I is incorrect because sensory cells are not only present in the eyes and ears but also in nose, tongue, skin. The activity of the sensory cells of one organ is independent of the activity of sensory cells of other organs hence, damage to the sensory cells of one organ will not create any confusion in different sensory inputs.
  • Option II is incorrect because integration of all the sensory impulses occur in the brain after the impulse has been received and detected by multiple sensory receptor cells and send to the brain through the sensory neurons.
8 0
3 years ago
The pertussis toxin was found to interfere with the ligand-binding site in G-protein coupled receptors. At which point in the ce
rusak2 [61]

Answer: c. signal amplification

Explanation:

The uncoupling of the G-protein and inhibiting of the signal amplification are the two affects of the pertusis toxin. It is released by the bacteria called <em>Bordetella pertusis. </em>The G-proteins are affected by the action of pertusis toxin. The production to the excess level of cAMP due to the conversion of ATP into cAMP the ribosylation of the ADP molecules occurs due to pertusis toxin. This leads to the damage of G-proteins.

3 0
3 years ago
Someone please help me
umka2103 [35]

Answer:

mass and volume

Explanation:

Matter is anything that has mass and takes up space

8 0
2 years ago
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What keeps the planets in orbit around the sun and the moon in orbit around Earth?
vladimir1956 [14]
I believe it’s A Or C
7 0
2 years ago
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