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svlad2 [7]
3 years ago
11

When you sit indoors near a window on a sunny day your skin gets warm how does this happen?

Biology
1 answer:
Brut [27]3 years ago
8 0
H. The suns energy is conducted to your skin by the glass.
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g protein-activated inwardly rectifying potassium channels mediate depotentiation of long-term potentiation
Svetlanka [38]

Long-term potentiation (LTP) is considered a cellular correlate of learning and memory. The presence of G protein-activated inwardly rectifying K(+) (GIRK) channels near excitatory synapses on dendritic spines suggests their possible involvement in synaptic plasticity. However, whether activity-dependent regulation of  channels affects excitatory synaptic plasticity is unknown. In a companion article we have reported activity-dependent regulation of GIRK channel density in cultured hippocampal neurons that requires activity oF receptors (NMDAR) and protein phosphatase-1 (PP1) and takes place within 15 min. In this study, we performed whole-cell recordings of cultured hippocampal neurons and found that NMDAR activation increases basal GIRK current and GIRK channel activation mediated by adenosine A(1) receptors, but not GABA(B) receptors. Given the similar involvement of NMDARs, adenosine  receptors, and PP1 in depotentiation of LTP caused by low-frequency stimulation that immediately follows LTP-inducing high-frequency stimulation, we wondered whether NMDAR-induced increase in GIRK channel surface density and current may contribute to the molecular mechanisms underlying this specific depotentiation. Remarkably, GIRK2 null mutation or GIRK channel blockade abolishes depotentiation of LTP, demonstrating that GIRK channels are critical for depotentiation, one form of excitatory synaptic plasticity.

Learn more about receptors here:

brainly.com/question/11985070

#SPJ4

8 0
2 years ago
Transformation is a useful technique for making genetically modified bacteria in the laboratory. There have been efforts to tran
Mama L [17]
<h2>Transforming Bacteria</h2>

Explanation:

  • Archaea and bacteria are different in the qualities of the cell wall and in the lipid composition of their cell membranes
  • <em>Bacterial cell dividers contain peptidoglycan</em>
  • Archaean cell wall don't have peptidoglycan, yet they may have <em>, polysaccharides, glycoproteins, or protein-based cell dividers </em>
  • Bacterial cell walls are made of peptidoglycan (likewise called murein), which is produced using polysaccharide chains cross-connected by abnormal peptides containing D-amino acids
5 0
3 years ago
What are the 4 types of Evidence for the evolution?
lesya692 [45]
The types of evidence for evolution include
 i) Changes in allele frequency over subsequent generations.
ii) When the population in question is examined it does not follow Hardy-Weiberg equilibrium.
iii) Signs of gene flow between populations.
iv) Presence of Sewall-Wright effects or genetic drift in the population.
Please mark as brainliest.
6 0
3 years ago
Which of the following statements regarding a DNA double helix is true? The amount of adenine is equal to the amount of thymine,
Elena-2011 [213]

Answer:

Option (1).

Explanation:

DNA (deoxyribo nucleic acid ) is the genetic material present in all the organisms except some viruses. DNA structure follows the Chargaff's rule.

Accoprding to Chargaff's rule, the ratio of purines to pyrimidines in a DNA molecule is equal to 1. The amount of guanine is nearly equal to the amount of cytosine whereas the amount of thymine is nearly equal to the amount of adenine.

Thus, the correct answer is option (1).

6 0
3 years ago
S calling an object dumb personification
Luba_88 [7]
Dumb isn’t necessarily a human characteristic. i suppose it will depend on the context.
8 0
3 years ago
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