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
zhenek [66]
3 years ago
7

The complement system is:

Biology
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

a. a set of proteins involved in innate but not acquired immunity.

Explanation:

The complement system are a set of proteins or protein fragments that play a major role in the innate immune system. The complement system is involved in the defense of the body from foreign pathogen through specific plasma proteins that participate in leukocyte activation, chemotaxis and opsonization. In other words, they increase the ability of phagocytes and antibodies to mop up damaged cells and foreign microorganism, activate inflammation process.

Some of these proteins include complement component 3 (C3), complement component 9 (C9) and  C1Q complex.

You might be interested in
Please give a short explanation about suspension, colloids, and, solutions.
Alexxandr [17]

Answer:

A suspension is a mixture containing small insoluble particles evenly distributed in a fluid but a colloid is a non uniform mixture of a solute and a solvent in which the particles are permanently suspended also a solution is a uniform mixture of a solute and a solvent

4 0
2 years ago
The rda for ________ for most healthy adults is 0.8 grams per kilogram of body weight per day.
Nadya [2.5K]
The correct answer is protein.
The Recommended Dietary Allowance (RDA) is set by the Food and Nutrition Board of the Institute of Medicine. It represents the average daily level of nutrient intake which is sufficient to meet the needs of nearly all healthy people.
According to the RDA, the daily intake of protein for healthy adults is 0.8 grams per kilogram of body weight.
3 0
4 years ago
Deforestation invites natural disasters. Give reason.​
Gekata [30.6K]

Answer:

In addition to depleting resources for forest-dependent communities, deforestation is contributing to an increase in small-scale natural disasters. “That means when there's heavy rainfall, forest soil can absorb water underground and disburse it to streams

Hope it helps :)

8 0
3 years ago
Read 2 more answers
Explain hypotonic, isotonic and hypertonic solutions and explain how cell behaves in the three solutions.
juin [17]
In an isotonic environment, the relative concentrations of solute and water are equal on both sides of the membrane. ... If placed in a hypotonic solution, a red blood cell will bloat up and may explode, while in a hypertonic solution, it will shrivel—making the cytoplasm dense and its contents concentrated—and may die.

If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, the relative concentrations of solute and water are equal on both sides of the membrane. ... When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
4 0
3 years ago
Importance of photosynthesis to humans
Anni [7]

Answer:

Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.

Bonus: we eat plants

Hope this helps!

7 0
3 years ago
Other questions:
  • The choice of which material in the portrait group of tetrarchs speaks to imperial power?
    11·1 answer
  • The constant recycling of protein in the body is known as
    11·2 answers
  • The _____ are the female sex hormones.
    13·2 answers
  • Could someone help me with number 8?
    5·1 answer
  • If you skip reading directions for a task and frequently miss deadlines you likely avoid this pattern:
    7·1 answer
  • State one factor that influence which molecules can pass through the cell membrane of a human cell.
    11·1 answer
  • What phase is Homologous chromosome paired.
    7·1 answer
  • What is on a transplanted organ that causes the transplant recipient's body to reject it?
    12·1 answer
  • Please help! first person that answers correctly will get a brainlist.
    9·2 answers
  • What is the Stellar formation in sequential order?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!