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dalvyx [7]
3 years ago
6

What occurs just before ignition

Biology
1 answer:
Sholpan [36]3 years ago
5 0
Hey!

A compression stroke

Hope this helps!
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You are growing yeast cells in a culture. After a few days of consistent growth, you notice that cell growth has slowed consider
BigorU [14]

The correct answer is C) There is not enough oxygen in the culture medium. This is because of alcoholic fermentation, and anaerobic process where the yeast transform sugar (glucose) in ethylic alcohol (ethanol) and carbon dioxide. Glucose is decomposed into pyruvic acid which then after turns into CO2 and ethanol. The bubbles described, are produced by the carbon dioxide.

The yeast, as well as some bacteria, use the glucose molecule through "glycolysis"  to obtain a 3-carbon molecule called pyruvates. Glycolysis consists of 10 coupled reactions, in the end, from one glucose (6 carbons) the yeast will obtain two pyruvates (3 carbons each).

Pyruvate can follow three main routes to obtain ATP, end up as lactate, as carbon dioxide (CO2) and water or as ethanol (alcohol) and CO2. Regarding yeast, it can only be used to obtain Ethanol plus CO2 or to obtain CO2 plus water.

The path that follows from here depends on the reaction medium. The cell gets much more energy (38 molecules of ATP) by converting pyruvate into water + CO2 than by turning it into ethanol + CO2 (2 molecules of ATP). Then, whenever possible, the yeast will follow the CO2 + water path. To support this route the cell needs oxygen.  In this case, the cell obtains its energy by breathing when there is no oxygen available, the yeast has a way that allows it to gain much less energy but allows it to survive, the alcoholic fermentation, previously mentioned.

Therefore, A, B, and D answers are wrong for the reasons mentioned above.


8 0
3 years ago
What are the 3 groups of organic molecules found in cells?
In-s [12.5K]

Answer: carbohydrates,lipids , protein and nucleic acids.

Explanation:

4 0
3 years ago
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*(agriculture subject)*<br><br>explain why paddy should be well leveled​
My name is Ann [436]

Answer:A well-leveled field is seen as laying the foundation for a good water management. If a field is not properly leveled, water may stagnate in the lower parts whereas higher parts may get dry due to water receding.

Explanation:

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3 years ago
Suggest one factor, other than light intensity or carbon dioxide concentration, that could limit the rate of photosynthesis. How
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I got a wap that’s all i have to say cactus jack sucked me
4 0
4 years ago
Based on the research of philip reno, early hominins show reduced sexual dimorphism. what is this evidence of?
IrinaK [193]

In light of the examination of philip reno, early hominins show decreased sexual dimorphism, which is proof for participation and logical for pair bonding.

<h3>What do you understand by Pair bonding?</h3>

Pair bonding is a high level trademark and may expect an essential part in age, and moreover in individual and species endurance.

A pair bond is the strong enjoying that makes in a couple of creature bunches between a couple containing a male and female, or on occasion as an equivalent sex mixing, perhaps provoking conveying any kind of family down the line or possibly a well established bond.

Early hominins showing decreased sexual dimorphism is a proof of agreeable guys or collaboration and reasonable from pair bonding, based from the exploration of Philip Reno.

Pair bonding is a characteristic that developed and can assume a basic part in multiplication, and in individual and endurance of a species.

For more information about sexual dimorphism, refer the following link:

brainly.com/question/4316806

#SPJ4

5 0
2 years ago
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