1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Paraphin [41]
3 years ago
7

. What is maintaining constant internal conditions?

Biology
1 answer:
Andru [333]3 years ago
5 0

Answer:

Homeostasis

Explanation:

just search online lol

You might be interested in
Spherocytosis is a human blood disorder associated with a defective cytoskeletal protein in the red blood cells (rbcs). what do
Alex17521 [72]
In spherocytosis, there is a defect in the membrane proteins of the red blood cells, specifically ankyrin and spectrin. These membrane proteins contribute to the biconcave shape of red blood cells therefore the loss of these proteins will lead the red blood cells to lose its biconcave shape--leading to abnormally shaped red blood cells (spheres) hence the name. This can lead to premature destruction of red blood cells and jaundice due to hyperbilirubinemia. Spherocytes do not hold oxygen and carbon dioxide well as spherocytes have a decreased surface area.
4 0
3 years ago
NEED HELP ASAP WILL GIVE YOU BRAINLIEST ANSWER AND 50 POINTS!!!!!!
Stella [2.4K]

I don't understand, what is the question you're supposed to answer?

6 0
3 years ago
Read 2 more answers
What do plants produce using nitrogen?
Tatiana [17]

Answer:  Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins.

Explanation:

4 0
3 years ago
MUST BE at least 350 WORDS 50 POINTS
Alona [7]

Answer:

Sickle cell disease (SCD) affects millions of people around the globe and is the 4th leading cause of deaths in children in many developing countries. It causes a number of health problems, such as attacks of pain, anaemia, swelling in the hands and feet, bacterial infections and stroke. Sickle-cell contributes to a low life expectancy in the developed world of 40 to 60 years.  

The disease results in abnormal haemoglobin - the oxygen-carrying protein found in red blood cells – giving the blood cell a rigid, sticky, sickle-like shape that hinders its oxygen-binding properties. These irregularly shaped cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body. A blood and bone marrow transplant is currently the only cure for sickle cell disease, but only a small number of patients are eligible. For the rest, there's no cure but effective treatments can relieve pain, help prevent problems associated with the disease and prolong life.

70 years ago, researchers found a genetic connection to the anatomical abnormalities seen in blood cells. A mutation seemed to be causing the moon-shaped blood cells. The most severe form of the disease occurs when two copies of the mutation are inherited. However, patients with one sickle cell gene, referred to as sickle cell trait, usually do not have any of the signs of the disease and live a normal life, but they can pass the trait on to their children.

As with all inherited genetic diseases, you’d expect natural selection to weed out a gene that has such unpleasant consequences but with sickle cell disease, that doesn’t seem to be the case. Indeed, as of 2015, about 4.4 million people have sickle cell disease, while an additional 43 million have sickle cell trait. So what makes the disease stay in the human population?

Researchers found the answer by looking at where the disease was most prevalent. As it turns out, 80% of sickle cell disease cases occur in Sub-Saharan Africa or amongst populations having their ancestors in this region, as well as in other parts of the world where malaria is or was common. There was a long standing theory that the sickle cell trait – having only one sickle cell gene – didn’t cause discomfort and provided a bonus trait of preventing patients from contracting severe forms of malaria. Later confirmed - associating sickle cell to a 29% reduction in malaria incidence - this working theory would explain why the mutation stuck around in evolution. In 2011, researchers used mice to confirm the assumption.

Miguel Soares and Ana Ferreira of the Gulbenkian Institute of Science in Oeiras, Portugal, and colleagues found that haem – a component of haemoglobin – is present in a free form in the blood of mice with sickle cell trait, but largely absent from normal mice. By injecting haem into the blood of normal mice before infecting them with malaria, researchers found it could help guard against malaria. The mice did not develop the disease. Their results also showed that the gene does not protect against infection by the malaria parasite, but prevents the disease taking hold after the animal has been infected.

Explanation:

Sorry if I did or got anything wrong:(

I actually tried on this tho:)

3 0
2 years ago
How do enzymes spends up. Chemical compounds
mr Goodwill [35]
No, no look my shoes its gucci xd
7 0
3 years ago
Other questions:
  • What happens to the portion of the cell membrane that surrounds a large molecule during endocytosis?
    14·2 answers
  • An operon encodes enzymes for making an essential amino acid and is regulated like the trp operon. Which of the statements is tr
    14·2 answers
  • Whose system of classifying and naming organisms is still in use today?
    6·1 answer
  • An igneous intrusive feature that forms from a lens-shaped mass of magma that arches the overlying strata upward is called a
    11·1 answer
  • The graph shows the speed of a car during a trip along the highway. What can you say, in general, about the speed of the car?
    14·2 answers
  • The process that causes some fossils to appear on more than one continent is called what?
    13·2 answers
  • HELP!!! where do we use uranium, and how can it be recycled?? (no multiple choice)
    13·1 answer
  • Which of the following is the best definition of a scientific theory?
    10·1 answer
  • What condition occurs when hemoglobin is deprived of oxygen?
    12·1 answer
  • A swimming pool holds 2,640,000 quarts of water.<br><br> How many gallons does it hold?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!