A cell membrane. Cell membranes are phospholipid bilayers (a.k.a 2 layers of phospholipids)
Answer:
The correct answer is E) 10
Explanation:
Glucose is partially oxidized during the glycolysis process into two pyruvate molecules. Then these pyruvate molecules get totally oxidized into CO2 during the citric acid cycle. This citric acid cycle occurs in the matrix of mitochondria.
During a single turn of the citric acid cycle, 2 molecules of carbon dioxide are released. Apart from two molecules of CO2, 3 molecules of NADH, 1 molecule of FADH2 and 1 molecule of ATP or GTP are also produced.
So if 2 molecules of CO2 are produced in one turn therefore in 5 turn 10 molecules of CO2 will be produced.
The scientific method is a series of sequential steps used to gain scientific knowledge. An experiment is a procedure used to test a hypothesis by using the scientific method.
- A hypothesis is a plausible explanation about some aspect of the real world which can be tested (either confirmed and/or rejected) by using the scientific method.
- In this case, my working hypothesis is 'there is a symbiotic relationship between sloths and green algae'
- An experimental procedure can be used to test the working hypothesis.
- In this case, my experiment would consist in using two different groups of sloths:
- sloths interacting with the green algae
- sloths that don't interact with the green algae
- From the results of this experiment, it is expected to observe some type of benefit or 'symbiotic relationship' both in sloths and green algae (for example, both an enhanced fur in sloths and a higher survival rate of the target green algae).
- I might use as a control group individuals of another mammal species that also interact with the target green algae.
- The results obtained from this experiment might be used to confirm or reject my hypothesis.
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I believe that the common features of the three is that they usually give a suggestion that brain stimulation is effective when treating severe forms of depression. These methods are usually used after other methods have been tried and failed. They involve the stimulation of the brain.
Answer:
A) a single variable
Explanation:
An appropriately designed experiment usually involves only one independent variable. This allows the scientist to truly determine whether the variable manipulated is what had an effect on the subject. You may test more than one variable, but this is usually done or experimented separately, or one at a time.