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love history [14]
3 years ago
15

Dreams are not acted out thanks to rem's protective _____.

Biology
1 answer:
egoroff_w [7]3 years ago
5 0
<span>Dreams aren't acted out during REM because REM in fact induces a state of paralysis of the skeletal muscles. Researchers studying this phenomenon have recently attributed the causality of this phenomenon to the release of the neurotransmitters gamma-aminobutyric acid and glycine during REM sleep.</span>
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Living organisms, and all matter, are made of _____.
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I guess it will be C: atoms and molecules because according to Jhon Dalton's 
atomic theory :"all matter is made up of atoms"
and even if we think of other options think it by urself that not all matter is made up of them
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3 years ago
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How do you get DNA from victims or criminals?
katovenus [111]

Answer:

Finger prints, hair, body fluids( blood, saliva, semen), bone.

Explanation:

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2 years ago
Which of the following statements is true?
Jlenok [28]
<span>Let's look at all the statements:Which of the following statements is true? Parts of an ecosystem only include biotic factors such as plants and animals. - this is not true, it also includes abiotic factors, such as stones If a common plant in an ecosystem becomes diseased, the ecosystem may become unbalanced. - this is the true statement! it could be a source of food for other animals, and thus it could influence the population of other species Abiotic factors include decomposers such as fungi and bacteria. - this is false, those are biotic factors. Tundras have a high diversity of species. - this is not true - compared to the rain forest, for example, tundras are not very diverse</span>
5 0
3 years ago
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1.) You are studying P120, a protein of 120 KDa that is continuously synthesized in eukaryotic cells. Its cellular concentration
irina1246 [14]

Answer:

1. P120 is degraded in the 26S proteasome

2. The 26S proteasome has a major role in protein degradation and is critical for protein homeostasis

3. Cell cycle and DNA replication are cellular processes regulated by the Ras and NFkB pathways

Explanation:

The proliferation-associated nucleolar protein (p120) is a protein known to be expressed during the interphase of the cell cycle, specifically in G1 and early S phase, where any problem with DNA replication trigger a checkpoint, i.e., a molecular cascade of signaling events that suspend DNA replication until the problem is resolved. In mammalian cells, the 26S proteasome is responsible for catalyzing protein degradation of about 80% (or even more) of their proteins. The 26S proteasome acts to degrade rapidly misfolded and regulatory proteins involved in the cell cycle, thereby having a major role in protein homeostasis and in the control of cellular processes. It is for that reason that inhibitors that block 26S proteasome function have shown to be useful as therapeutic agents in diseases associated with the failure of protein degradation mechanisms (e.g., multiple myeloma). The NF-κB are highly conserved transcription factors capable of regulating different cellular processes including, among others, cellular growth, inflammatory responses and apoptosis. Moreover, the MAPK/ERK pathway is able to transduce different signals received on the cell surface to the nucleus. The MAPK/ERK pathway is activated when a singling molecule binds to a cell receptor which triggers a signaling cascade that ends when a transcription factor induces the expression of target genes, ultimately producing a response in the cell (for example, the progression through the cell cycle).

7 0
3 years ago
How is an emulsion different from a solution?
7nadin3 [17]
<span>An emulsion refers to a liquid dispersed in another liquid with which it is not soluble. For example, oil mixed with vinegar is an example of an emulsion with which oil remains suspended as droplets in vinegar, in which it is not soluble. An emulsifier helps to stabilize emulsions and aid in the mixing of the substances.</span>
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