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Ilia_Sergeevich [38]
3 years ago
5

How many atoms of nitrogen (N) are represented by the chemical formula 3NH4

Biology
2 answers:
Irina18 [472]3 years ago
6 0
<span>3* 1 = 3 answer a 
I think so
</span>
uh2 years ago
0 0

The total number of atoms in the the formula NH3 (Ammonia) is 4 (1 atom of Nitrogen and 3 atoms of Hydrogen) there are total 4 atoms in ammonia .

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Lostsunrise [7]

Answer:I’m pretty sure it’s A.

Explanation:

8 0
2 years ago
The process of phagocytosis involve all of the following except
evablogger [386]

Hello, I figured your question was missing its options so I went online to find them. Here they are:

The process of phagocytosis involves all of the following EXCEPT :

a. adhesion.

b. secretion of cytotoxins.

c. elimination.

d. vesicle fusion.

e. chemotaxis.

Answer:

The correct answer is: b) secretion of cytotoxins.

Explanation:

Phagocytosis is a mechanism performed by cells in which the plasma membrane engulfs a large particle. Phagocytosis is used by cells in the immune system to ingest pathogens like viruses and bacteria.

Phagocytosis consists of many steps:

  1. activation - the phagocytes that were resting are activated in the inflammatory response when a pathogen enters the body.
  2. chemotaxis  - this refers to the process in which the phagocyte moves to the pathogen by following the chemical factors released by these germs.
  3. adhesion - the phagocyte attaches to the pathogen.
  4. ingestion /vesicle fusion - the phagocyte sends pseudopods to engulf the pathogen, and places it in a phagosome, which is an endocytic vesicle. The phagosome and the phagocyte will fuse so the pathogen gets inside.
  5. elimination - the pathogen is destroyed in the phagocyte by the lysosomes present in it.

<u>The</u><u> secretion of cytotoxins</u><u> is not a part of the phagocytosis, and is a process exclusive to </u><u>T cells</u><u> (leukocytes that lack the ability to phagocyte).</u>

5 0
3 years ago
Match the description of each organism to the appropriate category. Not all numbered options will be used. (Please match 1 numbe
Olegator [25]

Answer: Fungi are microscopic heterotrophic living organisms that grow as long threads called hyphae. In terms of their function, they can be divided into-

Parasitic fungus that obtains nutrients from living host while harming it, mutualistic fungus that obtains nutrients and inturn provides benefit provides to the host, and saprophytic fungus that are mainly classified as decomposers.

Thus, correct match is as-

A) Parasitic fungus-  4) lives within the blood of another organism and causes disease  

B)  Mutualistic fungus - 5) lives around the roots of a tree and provides nutrients to the tree

C) Saprophytic fungus- 2) lives in a marsh environment and aids in biodegradation.  


8 0
3 years ago
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Scientists question whether animals understand the meaning of the signals they give and receive in the study of animal _____.
Tatiana [17]
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8 0
3 years ago
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Why do you need to place a second tube into the centrifuge.
nydimaria [60]
In order to balance the centrifuge. If you don't then the machine will spin out of control and get damaged
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