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Eduardwww [97]
2 years ago
10

Nguyên tử Y có 3 proton và số khối bằng 7. Kí hiêụ nguyên tử của Y là

Biology
1 answer:
alexandr402 [8]2 years ago
5 0

Answer:

Y là Lithium (Li)

Explanation:

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The daughter-producing sperm used to fertilize brittany's eggs should be
Helen [10]
<span>The daughter producing sperm used to fertilize Brittany's eggs should be haploid sperm cells. These cells contain one set of chromosomes. The work haploid also refers to the amount of chromosomes in sperm or an egg cell, sometimes called gametes. In human beings, gametes are generally haploid cells that have 23 chromosomes which each has one chromosome pair that can be found in diplod cells.</span>
7 0
3 years ago
Gene expression in eukaryotes can be regulated at many different levels. List the different levels of regulation, and explain wh
Aneli [31]

Answer:

Transcription, mRNA (processing, transport, localization and stability), translation.

Explanation:

  • Transcription is regulated in two levels, though chromatin regulation (methylation and acetylation) to loose or increase histone's affinity to DNA and through cis and trans elements such as promoters, enhancers, and silencers (cis) to active/deactivate and RNA polymerase and transcription factors and co-factors (trans).
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  • In the translation stage, the regulation occurs during the initiation through a scanning procedure that ensures the 40s ribosomal subunit bind correctly to the untranslated portion of RNA

Hope this information is useful to you!

4 0
4 years ago
The diffusion of water into or out of a cell is called
balandron [24]

The diffusion of water into or out of a cell is called osmosis.

5 0
3 years ago
Read 2 more answers
(Identify) the major types of water pollutants. Suggest ways to reduce the
irakobra [83]

Answer:

Refer below.

Explanation:

Pathogens:We can lessen sewage wastewater by utilizing elective techniques for treatment like drying to create pellets utilized as characteristic.

Organic Matter:We can decrease natural waste by actualizing strategies, for example, treating the soil which can support great microbes and supplement development for horticultural use.

Organic chemicals: We can diminish the utilization of hurtful pesticides and manures and use options, for example, plants to repulse creepy crawlies, for example planting marigolds and basil with vegetables, since they are characteristic repellants. We can utilize dried waste from sewage plants as a more secure manure, which assists with decreasing pathogen contamination at the same time.

Heavy metals:We can line landfills, decrease reject that goes there by utilizing just recyclable materials, and utilize elective, greener cleaning specialists at home, for example, vinegar and lemon.

Physical agents: We can all the more intensely control mechanical and power plants. They ought to be disallowed from releasing warmed wastewater from their plants. Cooling tanks could be utilized to let the temperature of the water normally lessen, and an arrangement of filtration through penetrable and non porous stone, sand, and rock could be utilized to control the stream when the water is in the long run discharged. The cooled water could be sent to be utilized underway of elective oil, similar to that got from green growth, or utilized for arranging which speaks to 1/3 of water utilization in the normal American family unit. Also, elective uses for the high temp water could be discovered, such as utilizing to warm the structure and it's pipes framework through an arrangement of radiators.

8 0
3 years ago
What is the black circle inside your eye called?
lorasvet [3.4K]
The black circle inside your eye is called iris
7 0
3 years ago
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