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jek_recluse [69]
3 years ago
8

Is cellular respiration an endothermic or exothermic reaction and explain

Biology
1 answer:
Sauron [17]3 years ago
4 0
Cellular respiration is an exothermic process. This is because the breaking of carbon-hydrogen covalent bonds within sugars releases energy
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The gametophytes of an unknown plant are contained within the sporophyte, and the plant produces separate male and female gameto
Verizon [17]

The best conclusion about the life cycle of this plant is the plant is a gymnosperm, and the sporophyte is its dominant phase. The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

4 0
3 years ago
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Essential Question: Explain and describe the role of light, carbon dioxide, water, and chlorophyll in
AysviL [449]
Light excites the electron in the electron transport train and once it goes down the train water replaces the missing electron. the electron transport chain brings it down, hydrogen gets pumped across then when it slides back down the other side, energy is created. chlorophyll is the goo stuff that lets it absorb the light. carbon dioxide goes into the calvin cycle and it rearranged uses energy from the first part. the products of this part is sugar (C6H12O6) and oxygen.

water and carbon dioxide go in, oxygen and sugar come out
8 0
3 years ago
Which most accurately describes the basis of the scientific method? A.) a path of clearly defined steps that must be followed in
Alex73 [517]

Answer:

d

Explanation:

TRUST ME THE OTHER GUY IS WRONG! EDJUNUITY 2020

6 0
3 years ago
Cómo clasificarías la Adenina​
stiks02 [169]

Classification of Adenine is given below.

Explanation:

  • Adenine is one of the four bases that make up DNA. It corresponds to the letter A of the sequence that combines A, C, G and T in the DNA. Adenine has the property that, when it is in the double helix, it is always forming a pair with the thymine of the opposite strand.
  • Adenine is one of the five nitrogenous bases that are part of nucleic acids (DNA and RNA) and in the genetic code is represented by the letter A. The other four bases are guanine, cytosine, thymine and uracil. Adenine is always paired with thymine in DNA.
  • A chemical compound that cells use to make the fundamental elements of DNA and RNA. It is also part of many substances in the body that provide energy to cells. Adenine is a type of purine. DNA structure.
  • The adenine formula, which is derived from purine, is C5H5N5. It is a component of the nucleic acid chains that is in the nucleotides, as is the rest of the nitrogenous bases of RNA and RNA (uracil, thymine, cytokine and guanine).
  • Cytosine (C) is one of the four bases of DNA, the other three being adenine (A), guanine (G) and thymine (T). Within the DNA molecule, the cytosine bases are located in a chain forming chemical bonds with the guanine bases of the opposite chain
  • Adenine and thymine are complementary (A = T), linked by two hydrogen bridges, while guanine and cytosine (G≡C) are linked by three hydrogen bridges. Since RNA does not contain thymine, complementarity is established between adenine and uracil (A = U) by two hydrogen bridges.
7 0
3 years ago
Certain hazards are associated with planting, managingharvesting, and burning trees for biomass. What are two safe practices tha
Naily [24]

Hazards are associated with planting, managing, harvesting, and burning trees for biomass.

Explanation:

Biomass, an alternative for fossil fuel, is a renewable source of carbon-based energy sourced from burning plant matter, organic or food waste, and industrial waste.

Environmental hazards

Biomass production requires large scale of plants or trees to be burnt to produce energy which in turn demands more water and pesticides and causes soil erosion. When large number of trees is cut, it leads to deforestation and increase greenhouse gas which in turn leads to global warming.

The managers who practice biomass production should successfully mitigate the environmental hazards by following sustainable measures of biomass production

Operational hazards

During the operation of biomass production, a lot of risk can happen during fuel delivery, storage, handling, and during combustion operations.

  • Mechanical risk injury from mechanical conveyors, pneumatic delivery system
  • Dust explosion from finer fuel elements
  • Explosion and fire from storing and handling biomass fuel
  • Slips and falls during operations and storage.
  • Wet side and fire side risks of using boilers.

Hence, during production, storage, handling, and delivery proper stringent risk assessment must be taken regularly by the managers and necessary protection measures should be followed to avoid risks and hazards.

For example, to avoid mechanical injuries, proper care must be taken to maintain the production equipment

Proper storage rules should be maintained and checked to see if bunkers are filled only to the optimal level and not overfilled.

4 0
3 years ago
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