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Irina-Kira [14]
3 years ago
11

Dis- advantages of renewable energy?

Biology
2 answers:
Yuliya22 [10]3 years ago
6 0

Answer:

Limited technology as far as the harnessing of renewable sources of energy around the globe is also among the key disadvantages of renewable energy. Lack of sufficient knowledge on how to effectively harness these forms of energy makes the cost of installation and maintenance for such facilities quite high

Explanation:

lubasha [3.4K]3 years ago
4 0

Answer:

Can result in air pollution, takes a lot of energy to produce, can be seasonable, and competes with food production. Landfill gas, solid waste energy comes from harnessing the decomposition of organic material

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Help with question #10. Bio 20-2
NISA [10]
The stomach <span>walls have a lining that contains epithelial cells that have a protective layer of mucus and bicarbonate. The mucous is pretty much the same stuff which lines our throat and nose.</span>
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3 years ago
All enterics are facultative anaerobes; they have both respiratory and fermentative enzymes. What color results would you expect
Andrej [43]

Answer:

Explanation:

The O-F glucose test (oxidative-fermentation) is used to determine whether an organism is performs oxidative or fermentative metabolism.

Oxidative metabolism (i.e respiration) takes place in the presence of oxygen while fermentative takes place in the absence of oxygen.

Facultative anaerobes can carry out both fermentation and respiration.

The O-F medium has glucose, peptones and a pH indicator. When the pH of the medium is acidic, that is glucose has been broken down, the medium turns yellow. When it is basic, it turns blue implying that peptone and not glucose had been broken down.

The sealed tube is overlaid with oil so as to prevent oxygen from getting in, making it anaerobic.

The unsealed tube allows oxygen.

Enterics would be yellow is both tubes because they are facultative anaerobes and can grow in the presence or absence of oxygen, hence they carry out both respiration and fermentation.

4 0
3 years ago
4 Which of the following elements is considered to be the building block of life?
coldgirl [10]

Answer:

F oxygen

Explanation:

we need oxygen for respiration and hydration

3 0
2 years ago
Help asap!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Whic
Anuta_ua [19.1K]
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5 0
3 years ago
Read 2 more answers
A transcription unit that is 8,000 nucleotides long may use 1,200 nucleotides to make a protein consisting of approximately 400
bearhunter [10]

Answer:

A) many noncoding stretches of nucleotides are present in mRNA.

Explanation:

A transcription unit in eukaryotes includes the region that code for mRNA extending from the 5' cap site to the 3' poly-A site. It also includes the controlling regions. The mRNA formed by transcription also has some non-coding intervening sequences. These are called introns. Introns are removed from the primary transcripts by the process of splicing that occurs after transcription.

Therefore, a transcription unit that is 8,000 nucleotides long may use only 1,200 nucleotides to code for a protein having 400 amino acids since the rest of the nucleotides are part of introns and are removed from mRNA after transcription.

5 0
3 years ago
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