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Vsevolod [243]
2 years ago
8

All of the following are differences between RNA and DNA except

Biology
1 answer:
lions [1.4K]2 years ago
8 0

Answer:

A

Explanation:

both DNA and RNA are nucleic acids

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nikitadnepr [17]

Answer:

B.

Explanation:

Yes, Tt and tt have the same geneotype.

Two geneotypes can result in the same phenotype.

7 0
3 years ago
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Redbeds are hematite layers between layers of rock. They can indicate the presence of which element in the atmosphere?
densk [106]
Redbeds indicate the presence o iron in the environment. Red beds are red sedimentary rocks and the color is due to the presence of the ferric oxides. Ferric oxides occur as a coating on the sedimentary grains. In between the shale and cherts, iron-rich sediments can be found. 
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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

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8 0
2 years ago
Which one of the following viruses is an RNA virus?
Artemon [7]

Explanation:

HIV virus is an RNA virus

5 0
3 years ago
which organelle should be listed under "both" in the diagram plants and animals ? A. Centriule B. Mitochondrion C. Chloroplast D
Tresset [83]
B. Mitochondrion. Centriole is unique to animal cells and is used in cell division. Chloroplast and Cell wall are unique to plants cells, together with permanent vacuole. Both have mitochondrion, where energy is released through respiration.
3 0
3 years ago
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