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yKpoI14uk [10]
2 years ago
5

Which of the following descriptions explains the process of water freezing?

Biology
1 answer:
Olenka [21]2 years ago
3 0

Answer: B. Water molecules slow down until they begin to bond together.

Explanation: When water is cooled, energy is removed from the system, and the molecules begin to slow down. When the  molecules have slowed suciently, their collisions are no longer energetic enough to overcome their electrostatic attraction, and  they begin to bond together. The other answer choices are inaccurate. Since ice is less dense than water, high pressure  compresses the ice and actually causes it to melt. (Compression has no effect on water volume.) Cooling has no effect on the  shape of individual water molecules.

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A muslim client is scheduled to be discharged in 2 days, but insists on fasting until after dark. the nurse anticipates which ex
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<span>The nurse should anticipate that the client will say "my religion requires me to fast all day until sunset." Muslims fast during the entire lunar month of Ramadan, but this doesn't mean eating nothing for thirty days. Muslims observe Ramadan by fasting during daylight hours, and eating a meal called Iftar just after sunset and a meal called Sahur right before sunrise.</span>
6 0
2 years ago
n Drosophila melanogaster, forked bristles are caused by an allele (Xf) that is X linked and recessive to an allele for normal b
makkiz [27]

Answer:

Proportion of the F2 male with red eyes and forked bristle will be 1/4

Explanation:

forked bristles are caused by an allele (Xf) that is X linked and recessive to an allele for normal bristles (X+).

Brown eyes are caused by an allele (b) that is autosomal and recessive to an allele for red eyes (b+)

A female fly that is homozygous for normal bristles and red eyes mates with a male fly that has forked bristles and brown eyes

    X+X+b+b+  x    Xfbb

the F1 gives   1/2X+Xf 1/2b+b

                      1/2X+Y  1/2b+b

intercross of F1

      Proportion of the F2 male with red eyes and forked bristle will be

      forked bristle= Xfy = 1/2 and for red eyes  2/4= 1/2  = 1/2x1/2 =1/4

6 0
2 years ago
Which provides long-term energy storage?
Lemur [1.5K]

Glycogen provides long-term energy storage.

Glycogen is an example of a carbohydrate which is a polysaccharide that acts as a long-term energy storage compound in animals.

<h2>Further Explanation </h2>
  • Living organisms require energy in order to undertake their daily activities such as growth and development, locomotion, gaseous exchange, etc. To do so they obtain nutrients for short-term and long-term energy source.
  • Carbohydrates are the major energy source for living organisms, however, living organisms may use other sources of energy such as proteins or fats when carbohydrates is out of stock or not available.  

Energy source in animals

  • Animals use simple carbohydrates such as glucose obtained from diet for short-term energy sources.
  • These simple carbohydrates may also be stored for future use in the form of glycogen, which makes glycogen a long-term energy source, to be used when need arises.
  • When glucose levels are low in the body hormones in the body trigger the breakdown of glycogen to glucose.
  • Other sources of energy such as proteins and fats are used when carbohydrates storage is depleted, for example during starvation.

Energy source in plants

  • In plants, on the other hand, simple carbohydrates are similarly used as a short term source of energy. Additionally, simple molecules such as glucose are stored in the form of starch for long-term source of energy for the plants.  

<em><u>Why other Choices are incorrect</u></em>:

<h3>Glucagon  </h3>
  • Glucagon is the hormone that increases the blood glucose level to avoid it from dropping below optimum level.
  • The hormone acts on the liver to stimulate the breakdown of glycogen to glucose, a process called glycogenolysis, and the glucose is released to the blood stream.

<h3>Glucose </h3>
  • Glucose is a simple carbohydrate classified as monosaccharides. It acts as the short term source of energy in both plants and animals.
  • It is readily broken down during the process of cellular respiration to yield energy in the form of ATP, which is then used to drive cellular processes.

<h3>Cellulose </h3>
  • Cellulose is an example of a complex carbohydrates known as polysaccharides.
  • It is found in plants cells lining the cell wall of all plant cells which is one of the key distinguishing feature between plant cells and animal cells.

Keywords: Glycogen, Glucose, energy sources  

<h2>Learn more about:  </h2>
  • Glycogen: brainly.com/question/6359375
  • Role of glucose: brainly.com/question/2924762

Level: High school

Subject: Biology  

Topic: Cellular respiration

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1- Bioremedation (When you add a species to an ecosystem its not native to.

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