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Simora [160]
3 years ago
15

Each item can be a source of indoor air pollution except

Biology
1 answer:
marishachu [46]3 years ago
6 0

Answer:

Environmental Tobacco Smoke

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To ensure that a human gene is translated properly in a bacterial cell, you should clone the _____________ for the gene instead
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complementary DNA (cDNA)

Explanation:

The complementary DNA (cDNA) is a region of DNA that is synthesized from an RNA template by using a reverse transcriptase enzyme. cDNA is usually used to clone genes from eukaryotic organisms in prokaryotes. cDNA cloning is a technique that consists of isolating and amplifying a self-replicating prokaryotic organism that includes in its genome a cDNA of interest. This technique enables the insertion of fragments of eukaryotic DNA (cDNA) into plasmids that subsequently are multiplied by cloning and finally sequenced.

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In a wind turbine, wind turns the blades, which turn a generator. This produces electricity. What energy conversion is
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kinetic to electrical

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3 years ago
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Which of the following statements about blood is false?
SCORPION-xisa [38]

Answer:

B) The normal pH of blood is 6.8 to 7.0.

Explanation:

The blood pH under normal health conditions is between 7.35 and 7.45. Below this range, blood pH is considered more acidic than normal, and it may indicate that the body is eliminating a lower amount of CO{2} than normal, or that there is a decrease in the concentration of HCO{3-} or accumulation of acid in the blood due to poisoning or disease.

3 0
3 years ago
How is energy transformed in human beings​
natali 33 [55]

Answer:

Hope this helps!

Explanation:

All of the body processes, like digestion, pumping blood, breathing, are powered by cells converting the stored chemical energy into work and heat, in a process called respiration. ... Inside the muscle cells of the human (or any animal), the chemical energy is transformed (changed) into mechanical work and heat.

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African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes.
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The correct answer that would best complete the given statement above would be the term ADAPTIVE RADIATION. African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes. Over time, specialized teeth and body colorations have evolved for each species in response to mutations and competition for food and mates. This change over time is an example of ADAPTIVE RADIATION. Adaptive radiation by definition, is <span>the diversification of a group of organisms into forms filling different ecological niches.</span>
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3 years ago
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