How are virus infections like a “sneak attack”?

1 answer:

6 0

Viruses enter human body like an invader and uses the living cells to replicate causing infections in the cell or can damage it.

Explanation:

The attacks of viruses on the body of living organisms is compared with a ‘sneak attack’ as they invade the body and enters into a living cell to replicate themselves. This may cause damage or bring about changes in the cell causing sickness and infections.

They can hide themselves on our body attacking sneakily to harm the immune system to fight the infection. This stealth infection can result in fever, damaging immunity, disorder etc.

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These cellular structures increases the superficial surface area of a cell._______________

lapo4ka [179]

Answer: Micro villi

Explanation:

The cellular structures that increases the superficial surface area of the cell is known as micro villi. It is an extension of cell membrane.

This structure helps in the increasing the surface area for the maximizing the absorption of food materials.

It also helps in providing a large area in a very compacted space. It is found at many places in the human body such as in small intestine.

4 0

3 years ago

PLEASE HELP! WILL GIVE BRAINLIEST AND POINTS!

natulia [17]

Answer:

A. Lancelet

B. All chordates

Explanation:

A. Dorsal nerve chord is the only unique feature among all members of phylum chordata (mainly found in subphylum Vertebrata). In the given list, only lacelet is the Chordate whereas snail belongs to phylum Mollusca, grasshopper belongs to Arthropda, and jellyfish belongs to Cnidaria. Dorsal nerve cord runs along the length of organism's body.

B. Gill slits are opening structures to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.

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3 years ago

DNA contains the codes for the production of ____

ira [324]

Answer:

proteins.

Explanation:

The DNA code contains instructions needed to make the proteins and molecules essential for our growth, development and health.

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2 years ago

Read 2 more answers

dalvyx [7]

So the following is the answer to you following choices and I hope you are satisfied with my answer.
#2 by making new habitats available to them.
#3 convergent evolution.
#4 a species evolves at a slow, steady pace.
#5 Global temperatures drop several degrees after several massive volcanic eruptions.

3 0

3 years ago

the corrective actions made by the bionic pancreas on a regular basis in response to changing blood sugar levels are similar to

Art [367]

The correct answer is: a feedback mechanism.

The bionic pancreas is bio-engineered device used for the regulation of blood sugar levels in order to maintain body homeostasis. The bionic pancreas includes a sensor that monitors blood sugar levels and sends a signal to a separate device that will then release the appropriate hormone into the bloodstream to return blood sugar levels back to normal. This device is very functional because of its ability to dose insulin and glucagon based on continuous sugar blood measurements.

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3 years ago