Why are antibiotics ineffective against viral infections

Answers

Answer 1
Answer: Antibiotics are ineffective against viruses because viruses do not have cells.
Answer 2
Answer: Antibiotics are commonly known and used to cure infections with bacteria, not viral infections. 

The reason to this is because viruses use their host cells to live as they are intracellular parasites. 

Antiviral drugs are usually used when there are viral infections. This prevents them from reproducing and improves the immunity. 

Hope I helped. :)

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Explain how clearing forest by cutting and burning trees contributes to climate change
The term colon is often used instead of A. small intestine. B. rectum. C. cecum. D. large intestine.
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Cone-bearing trees (like pines, spruce and fir) grow best in areas where winters are long and cold. Large mammals like moose, elk and bear also live and thrive in these cold areas known collectively as the ________________ biome. A) taiga
B) desert
C) temperate grassland
D) temperate deciduous forest

Answers

the answer is a) taiga 

Answer:

A) Taiga :)

Explanation:

what happened to the water vapor when the earth cooled 3 billion to 3.5 billion years ago ? What formed ?

Answers

some of the water became clouds and some became small lakes or rivers

No matter what the cell type, prokaryotic or eukaryotic, plant or animal, the ____________ forms a protective barrier between the exterior environment and the interior of the cell.a. cell wall
b. cytoskeleton
c. cell membrane
d. glycoproteins

Answers

c. cell membrane forms a protective barrier between the exterior environment and the interior of the cell.

Cell membranes contain membrane proteins that allows all the interaction that occurs within the cell. It makes the cell membrane selectively permeable because of its characteristics as being fluid or its fluidity which means to say that they can move freely within the lipid bilayer. The membrane proteins can also be stored in the lipid bilayer together with the enzymes. It cannot be denied that membrane proteins have a lot of functions based on its type. They can be integral proteins, peripheral proteins and lipid bound proteins.



The most common example of shared characteristics among different types of cells is the cell membrane. Every cell is enclosed by a cell membrane which protects the cell from its surroundings by separating the interior components from the exterior ones.

Further Explanation:

A cell membrane is permeable to selective molecules which means only particular substances can traverse the membrane. The essential molecules are allowed to enter whereas the toxic or non-essential molecules are excreted out of the cell through the cell membrane.

The phospholipids are arranged in a bilayer to form a cell membrane. It also contains the cholesterol present in between phospholipids and maintains the fluidity at different temperatures. The membrane also contains integral and peripheral proteins that help in the transport of materials and maintain the structure and shape of the cell respectively. Glycoproteins are also attached covalently to the membrane and help in cell-cell recognition, cell adhesion, and also serve as receptors for other molecules.

Apart from the cell membrane, certain cells also contain cell walls which surround the cell membrane. It is present in plants, bacteria, and fungi and prevents the over-expansion of the cell. In plants, the cell wall helps in providing turgidity to the cell and also maintains the shape and structure of the cell whereas, humans are devoid of cell walls instead they contain cell membranes.

A cytoskeleton is not a protective barrier for the cell but provides rigidity to the cell and is present in the cytoplasm of the cell. Its main function to provide rigidity to the cell and resistance against deformation by associating with other proteins and connective tissues. It also helps in the transport of material within the cytoplasm and also helps in cell signaling.

Learn more:

  1. Learn more about hormone brainly.com/question/892851
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Answer Details:

Grade: High School

Subject: Biology

Chapter: The Cell Membrane

Keywords:

Cell membrane, cytoplasm, cytoskeleton, cell wall, glycoproteins, phospholipid bilayer, cholesterol, glycoproteins, integral proteins, peripheral proteins, cell recognition, cell adhesion, cell signaling.

 

What does the term parallax mean in the context of literature?A. the rejection of the quest for meaning in the world
B. the use of one narrative to contextualize another
C. the use of multiple perspectives in a single book
D. the postmodern feature of integrating art and life

Answers

The right answer is C

Parallax is the angle that can exist between the direction of the gaze of an observer and the perpendicular to a graduation leading to an inaccurate reading of the measurement made.

In measuring instruments, the parallax error is practically eliminated by placing the needle or the index in the same plane and the image given by a mirror situated in the plane of the dial or the dial. 'ladder.

The term parallax could mean the use of multiple perspectives in a single book when you are using the context of literature. 

Which statement describes asexual reproduction, but not sexual reproduction?a. New organisms are formed only after fertiliztion.
b. A single cell will not develop into a full organism.
c. Daughter cells contain half the genetic material of the parent cell.
d. Daughter cells contain the same genetic information as parent cells. El

Answers

D. Daughter cells contain the same genetic information as parent.

Answer:

D) Daughter cells contain the same genetic information as parent cells.

Explanation:

This is a radio astronomy observatory located on the Plains of San Agustin consisting of twenty-seven independent antennas, each of which has a dish diameter of 25 meters.

Answers

Answer:

Jansky Very Large Array

Explanation:

It Is most powerful telescope on Earth and  is located on the plains of San Agustin near Socorro, New Mexico, US. This telescope consist of 25 antennas whose collective ares is equal to a single 430 foot antenna. The angular resolution is equal to an antenna of 22 miles in diameter.  It is also possible to adjust its arms to change its resolutions. There is receiver in each antenna that can operate from wavelength range of 4 mm to 7 metres. National Radio Astronomy Observatory is in charge of this telescope.