I think it’s water not positive tho
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.
While biodiversity includes the number of species in a given area, it also includes phylogenetic lineages.
<h3>What is biodiversity, exactly?</h3>
The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity. These various species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life.
<h3>What kind of biodiversity is that?</h3>
As a group of distinctive living entities having the capacity to reproduce with one another, biodiversity. Blue whales, white-tailed deer, white pine trees, sunflowers, and minuscule germs that are even too small to be seen with the eye are a few examples of species.
<h3>How can biodiversity be preserved?</h3>
Purchasing fewer products and ensuring that the ones you do purchase have a minimal impact on biodiversity investing in initiatives to advance biodiversity.
learn more about biodiversity here
<u>brainly.com/question/26110061</u>
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Answer:
C. capillaries connect arteries and veins.
Explanation:
A is false, veins carry blood towards the heart.
B is false because arteries are the thickest blood vessel.
C is completely true
D is false, heartbeat is controlled by electric impulses
Answer:
Mark me as brain list plz
Explanation:
When a trait is recessive, an individual must have two copies of a recessive allele to express the trait. Recessive alleles are denoted by a lowercase letter (a versus A).
