In food chains, the flow of energy is ALWAYS one-way
B.Living things can recycle elements within an ecosystem as long as decomposers are present.
C.Matter flows in a one-way direction with a 10% loss at each move up in trophic level.
D.Elements continuously cycle between the physical environment and living organisms.
Correct answer choice is:
D) Elements continuously cycle between the physical environment and living organisms.
Explanation:
Any nonliving matter that living things want is termed a nutrient. Carbon and nitrogen are parts of nutrients. Unlike energy, the object is converted into ecosystems. Decomposers deliver nutrients when they cut down dead organisms. When one organism eats a different organism, it takes all of its nutrients. Nutrients can also cycle out of an ecosystem. Falling leaves may be moved out of an ecosystem by a water. Decomposers cut down dead organisms into nutrients and carbon dioxide, which they respire into the air.
Ian would take DNA samples from the inside of the suspects' mouths if he were asked to swab their buccal surfaces.
Identification and comparison are the two techniques forensic scientists utilize when assessing tangible evidence. Determining a substance's physical or chemical identity is the process of identification. Finding out whether two or more objects have a common origin is done through comparison.
In regard to matching, DNA analysis is comparable to fingerprint analysis. The evidence gathered at the crime scene is contrasted with a "known" print or sample when a suspect is identified using DNA or a fingerprint.
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If the rate of photosynthesis significantly increased, More glucose and oxygen would be produced: Photosynthesis produces glucose and oxygen as byproducts. If the rate of photosynthesis significantly increased, more glucose and oxygen would be produced.
The rate of photosynthesis refers to the amount of carbon dioxide that a plant can convert into organic compounds, such as sugars and starches, per unit of time through the process of photosynthesis. If the rate of photosynthesis significantly increased then:
Carbon dioxide levels would decrease: Photosynthesis uses carbon dioxide from the atmosphere as a reactant. If the rate of photosynthesis significantly increased, carbon dioxide levels in the atmosphere would decrease.
Oxygen levels would increase: As mentioned earlier, photosynthesis produces oxygen as a byproduct. If the rate of photosynthesis significantly increased, oxygen levels in the atmosphere would increase.
The plant would grow faster: Photosynthesis provides energy to the plant, which it uses to grow. If the rate of photosynthesis significantly increased, the plant would have more energy available and would be able to grow faster.
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Explanation:
Before leaving the nucleus, the pre-mRNA transcript formed through transcription undergoes a series of enzyme-regulated modifications which includes: 5'capping,splicing,3' cleavage(polyadenylation) and RNA editing
Answer:
Explanation:
1. DNA is first transcribed into pre-mRNA, then this pre-mRNA further go series of modification, like 5' capping, 3' polyadenylation and RNA splicing.
2. Through splicing, introns are removed and exons are joined together to form a mature RNA known as mRNA.
3. If without these modifications, RNA is translated, it would encode non-functional protein because all the codons in the pre-mRNA would translated and introns would code a non-functional protein.