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Marianna [84]
4 years ago
15

Which organic molecule would a long-distance runner most likely choose to eat before a race?

Biology
1 answer:
Over [174]4 years ago
7 0
Biomolecules are organic compounds that are present as essential components of living things. There are four major biomolecules namely lipids, proteins, carbohydrates and nucleic acids. Proteins, lipids and glucose are usually used by organisms as energy sources as well as structural components among other functions in living organisms. Nucleic acids are important components that bring about heredity. In this case the appropriate molecule to be chosen by the long distance learner would be carbohydrate because it stores and may be used as a source of energy.
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An example of imbalance in human homeostais
erastovalidia [21]

Answer:  An abnormal increase/decrease in body temperature (no sweating/shivering)

Explanation: Homeostasis is the process by which the body regulates and equalizes functions within the body. An example of the human body  maintaining homeostasis is body temperature.  If the human body is too hot, then the body will activate the sweat glands to cool down. If the human body is too cold, the the body will shiver.

An imbalance in homeostasis however, would be the lack of the process that regulates body temperature. So an example of imbalance in the process of human homeostasis would be not shivering when cold and not sweating when hot.

<em>I know there are probably better examples of imbalances in the process of human homeostasis, but I hope that this explains it sufficiently enough and is a good-enough example. Have a nice day!</em>

8 0
3 years ago
1. Can a single organism change its traits to become better suited for its environment during its lifetime? (highlight one) YES
Burka [1]

Answer:

check explanation

Explanation:

If you are talking about adapting to an environment then yes, like how we train to strengthen our muscles to get stronger. If you mean by evolving then no, a single organism can not evolve their traits in a lifetime, like a human can't naturally grow gills to breathe underwater

6 0
2 years ago
Read 2 more answers
A 45 g piece of plasticine is placed in water and 30cmcube of water was displaced. Calculate the density of the plasticine in kg
Andre45 [30]

Answer: 1500kg/m^3

Explanation: Assuming the cube was not large enough to float if it displaced 30cm^3 of water then it has a volume of 30cm^3. Density is just mass/volume so 45g/30cm^3 = 1.5g/cm^3. To convert this to kg/m we need to multiply by the conversion factors of the units. 1.5g/cm^3 • 1kg/1000g • 1,000,000cm^3/1m^3 = 1500kg/m^3.

5 0
3 years ago
What is a parent cell in biology?
viva [34]

Answer:

A cell that is the source of other cells, as a cell that divides to produce two or more daughter cells, or a stem cell that is a progenitor of other cells or is the first in a line of developing cells. Also called mother cell.

7 0
3 years ago
What does Na+ represent? Select all that apply.
dolphi86 [110]
It means that it is a positive sodium ion, with 11 protons and 10 electrons.
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3 years ago
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