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Step2247 [10]
3 years ago
8

Water is essential to all living things. one important attribute of water allows it to maintain a constant environment within ce

lls. which property of water allows it to do this?
Biology
2 answers:
Yuliya22 [10]3 years ago
8 0

I believe the answer is moderate temperature

Temperature will influence the structure of an molecule and the speed of enzyme. An organism will have an ideal temperature range where their cell can work efficiently, but the temperature of the environment could changes tremendously by the sunlight exposure. Water have high heat capacity and could provide a relatively more constant temperature which could protect the organism from immediate harm.

Dovator [93]3 years ago
7 0

Water is essential to all living things. one important attribute of water allows it to maintain a constant environment within cells. Moderate temperature allows it to do this.

Temperature moderation is defined as the act of controlling or regulating the temperature. Fans and air conditioners are some of the ways of controlling temperatures.

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During the process of digestion, large food molecules are broken down into small components that can be absorbed into cells that
Alona [7]

1. During the process of digestion, large food molecules are broken down into small components that can be absorbed into cells that form the lining of the small intestine.  Digestion begins in mouth, where large food molecules are broken down mechanically (teeth) and then enzymatically (saliva). Proteases, lipases, amylases, maltases are enzymes that  catalyse the breakdown of macromelocules into the basic molecule units (such as aminoacids, fatty acids glucose) so that they can be absorbed.

2. Circular folds, villi, and microvilli--tiny projections from the surfaces of cells--increase the surface area for absorption.  Those structures can increase the surface area even 30 times. The microvilli also secrete the enzymes which help in the process of breakage. Motor proteins in the microvilli makes them move and this also helps in the process of absorption.

3. After moving into cells of the intestinal lining, fatty acids and glycerol are recombined into fats, coated with proteins, and transported into lymph vessels, which eventually empty into large veins.  These lymphatic vessels are called lacteals. Fatty acids are transported from the intestinal lumen to the enterocyte where they are packed into chylomicrons (combined with proteins). The chylomicrons pass into the lacteals in the form of chyle and finally transported to the bloodstream.

4. Sugars and amino acids pass from the intestinal epithelium and into blood capillaries.  This is a two-stage process:

•  from the lumen into intestinal epithelial cells via membrane transporters (Na-symporters)

• from the cells into the blood (capillaries)

This is possible because epithelial cells of the intestine are polarized, meaning that apical and basolateral ends are different (contain different transporters).

5. The nutrient-laden blood from the intestines is carried in hepatic portal vein the to the liver.  There is a whole system involved in the transport of  blood from parts of the gastrointestinal tract to the liver and it is called the portal venous system. The hepatic portal vein is a blood vessel part of that system that carries blood rich in nutrients extracted from digested contents.

6. The liver removes excess glucose from the blood and stores it as glycogen.  There are a few roles of the liver that are involved in the carbohydrate metabolism. The major is the production of glycogen from glucose via glycogenesis. There is also the opposite process, when the organism needs glucose, so it is released from the glycogen via the process glycogenolysis.

7. The liver also converts nutrients to other essential substances, such as plasma proteins, cholesterol, and fats. The liver is responsible for many synthesis processes (anabolic processes) such as synthesis of proteins (aminoacids), clotting factors, cholesterol, lypoproteins. It is involved in lipid metabolism: lipogenesis, and the production of triglycerides. One of the most important proteins synthesized in the liver are thrombopoietin which regulates the production of platelets by the bone marrow and insulin-like growth factor 1 which  plays an important role in childhood growth.


3 0
3 years ago
Many anti-evolutionists believe that since science doesn't have answers for all questions; scientific conclusions are not necess
Basile [38]

Answer:

In science, accepted theories do not represent absolute truths. A scientific theory is accepted when there is much evidence available that support its statements, but new lines of evidence can modify original presumptions  

Explanation:

A scientific theory is a plausible explanation of a particular phenomenon of the natural world, which has been many times tested and verified by using the scientific method. The accepted theories are progressively modified (or even overturned) as new lines of evidence emerge. In consequence, a scientific theory is composed of statements that we consider as truths regarding the available evidence, but we have no absolute certainty that such statements are true. The ability to self-correct is fundamental in science and it happens when we discover that the original statements of a scientific theory were wrong, thereby new lines of evidence allow us to correct the error and/or develop new scientific theories.

5 0
3 years ago
U1:51:51
Vinvika [58]

Answer:tap in shorty

3 0
4 years ago
Read 2 more answers
Meiosis Foldable Activity 515.2
Aleksandr-060686 [28]

Explanation:

During the process of prophase I, the nuclear envelope containing chromosomes has only partly broken down homologous chromosomes are joined together by proteins and a complex or pairing call synapsis- corresponding genes on sister chromatids are aligned precisely.

The syanapsis allows for crossing over which is the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined.

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. In meiosis, the number of chromosomes (2n) is halved to 23 chromosomes (haploid number)through meiotic divisions, producing 4 haploid (n) germ cells or gametes (sperm or eggs), each containing half the number of chromosomes as its parent cell.

In Meiosis I

  • homologs pair off into bivalents
  • At crossing over: the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined in prophase I  forming bivalents; tetrads are formed.
  • Spindle fibers from centrioles join sister chromatids together at their centromeres in metaphase I, pulling them to the equator of the cell;
  • then, in anaphase I, while joined, they are pulled to opposite sides of the cell; the cell body splits and the nuclear envelope reforms in telophase I

In Meiosis II...

  • Later, in prophase II, the nuclear envelope disintegrates and mitotic spindle fibers are formed
  • independent assortment occurs. in metaphase II of meiosis: spindle fibers attach to centromeres, chromatids align independently at the equator. Genes segregate independently into new combinations as sister chromatids are pulled apart by their centromeres in anaphase II
  • in telophase II the cells' nuclei and membrane are then formed with each containing the haploid number (n)
  • Following the formation of gametes in the last stage, randomized fertilization occurs in sexual reproduction sperm cells fertilize an ovum to form a zygote. This occurs randomly by chance, to result in a complete set of chromosomes 2n, that is a novel combination of half each parent's number of chromosomes

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

4 0
3 years ago
How are compounds related to elements?
kap26 [50]

Answer:

An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds.

Explanation:

Above

^

I

7 0
3 years ago
Read 2 more answers
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