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dezoksy [38]
3 years ago
13

Please someone help me please

Biology
1 answer:
Alex17521 [72]3 years ago
4 0

It is false.

Explanation:

Colloids include gels, sols, and emulsions; the particles do not settle, and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.

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O que é uma invasão térmica?
nekit [7.7K]
Na meteorologia, uma inversão, também conhecida como inversão de temperatura, é um desvio da mudança normal de uma propriedade atmosférica com a altitude. Quase sempre se refere a uma inversão da taxa de lapso térmico. Normalmente, a temperatura do ar diminui com o aumento da altitude.
7 0
4 years ago
A harmful substance. A.Pollution B.Overharvesting C.Runoff water D.Exotic species
Tasya [4]

Answer:

pollution

Explanation:

It is damaging to the environment and organisms within it.

6 0
3 years ago
A scientist wishes to develop a new drug that prevents synaptic communication via neuropeptides but not small molecule neurotran
kirill [66]

Disruption of axonal transport would be a good target for his drug.

<h3>What is disruption of axonal transport?</h3>
  • Axonal transport defects are among the early molecular events leading to neurodegeneration in mouse models of amyotrophic lateral sclerosis (ALS).
  • Gene expression profiles indicate that dynactin-1 mRNA is downregulated in degenerating spinal motor neurons of autopsied patients with sporadic ALS.
  • Disruption of axonal transport also underlies the pathogenesis of spinal muscular atrophy and hereditary spastic paraplegias.
  • The neurotoxin β,β′-iminodipropionitrile (IDPN) selectively disrupts slow axonal transport without affecting fast anterograde or retrograde axonal transport.
  • Impairment of slow axonal transport causes a proximal accumulation of neurofilaments.
  • Because neurofilaments regulate axonal diameter, this accumulation leads to a marked swelling of the axon.
  • Acrylamide causes decreased axonal transport, also causing proximal accumulations of neurofilaments and swelling.

To learn more about axonal transport,

brainly.com/question/10600853

#SPJ4

5 0
2 years ago
Thermoreceptors detect body temperature and send impulses to the brain for analysis. If body temperature is low, the brain will
LenKa [72]

Answer:

A. Skeletal muscles

Explanation:

An effector is a group of cells, an organ, gland or any part of the body that acts to bring about a change in response to a nerve impulse from the CNS.  

In the case of thermogenesis as stated in the question above, where a drop in temperature is detected by thermoreceptors in the CNS, the part of the body that responds in returning the body temperature back to its baseline are the skeletal muscles. The skeletal muscles are the effectors that responded in repeated contracions to generate heat.

8 0
3 years ago
Read 2 more answers
In which situation would it be least likely for a scientist to revise her experimental methods
mestny [16]

A scientist would be least likely to revise her experimental methods if her results support her hypothesis

4 0
3 years ago
Read 2 more answers
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