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Katarina [22]
2 years ago
15

All BUT one factor contributes to biological evolution. That is

Biology
1 answer:
eduard2 years ago
4 0

A. The answer is Mitosis

please rate my answer

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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
1 year ago
.They are usually found in air * True False
murzikaleks [220]

Answer:

true

Explanation:

I hope it helps

pa brainliest po

3 0
2 years ago
Read 2 more answers
Make a statement relating hydrogen concentration to the acidity and the basic its of solutions
Vlad1618 [11]
More hydrogen ions means more acidic, more hydroxide ions means more basic
8 0
3 years ago
Which of the following is true about fungi?
Vlada [557]

Answer: D. Like Protists

Explanation: A. isn't right

                      B. is worst

                      C. isn't good at all

                      D. is the best answer

6 0
3 years ago
HELP ASAP ! QUESTION IS IN PICTURE !​
Arturiano [62]

Answer:

first and third one

Explanation:

animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.

3 0
2 years ago
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