Sample Response:
Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat. Bacteria are also helpful because they are used in medicine to help us overcome disease. Bacteria are harmful because they can cause tooth decay and illnesses that can be either common or quite serious.
This is a sample response, so it's 100% correct. Peace!
That this is the desired response at this stage of gestation
Electron Carriers such as NADH and FADH are generated during the Krebs cycle (Option D).
<h3>What is the Krebs cycle?</h3>
The Krebs cycle is the second step of cellular respiration, which allows aerobic cell to generate energy in the form of ATP.
The Krebs cycle generates the reduced forms of the carriers NADH and FADH, which are used in oxidative phosphorylation to generate ATP.
In conclusion, Electron Carriers are generated in the Krebs cycle (Option D).
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Answer: Water as a universal solvent
Explanation:
Water is a universal solvent because of its property of dissolving a large number of molecules of different kind. The water at the biological level forms the major body weight of the organisms. It helps in supporting the cell metabolism and function. It is the main component of the liquid component of blood that is plasma. The water dissolved in it various vitamins, minerals, fibers, and other components of the food and helps in digestion of food in the body. Thus in human and animal body water plays an important role in circulation and digestion process.
Answer:
B. Sea stars are the prey of seagulls
Explanation:
Seagulls eat sea stars, meaning that sea stars are their prey (the organism that is eaten).
Predator: an organism that eats (preys on) another organism
Prey: an organism that is eaten by another organism (creatures can be both predator and prey. For example, a rabbit is a predator to grass, while they are prey to foxes)
Host: An organism that is fed on by a parasite. Think of a dog with a tick. The dog is the host, the tick is the parasite.
Incorrect answers (and why):
A. Sea stars do not eat seagulls
C. If a sea star was a predator to a seagull, that would mean that they eat seagulls. They do not.
D. A host is an organism that a parasite preys on. Not only are sea stars not parasites, but they definitely do not prey on seagulls.
I hope this helps! :)
