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Virty [35]
3 years ago
6

Viruses and bacteria are both microscopic and can both cause disease. Viruses differ from bacteria in that all viruses

Biology
1 answer:
kow [346]3 years ago
4 0

Viruses and bacteria are both microscopic and can both cause disease. Viruses differ from bacteria in that all viruses are obligate parasites, which means they cannot live or survive independently, on their own, but have to live inside cells.

Viruses do not have organelles essential to life such as animal and plant cell have. A virus has no nucleus, no mitochondria, no Golgi apparatus, no endoplasmic reticulum and no ribosomes, therefore it cannot perform propagate itself.

Viruses invade cells and hijack the  cell machinery to manufacture their own virus  components. Once assembled  together, these parts form new viruses which in cases causes the cell to die.

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What is the scienctific oberservation of a scarlet ibis
Vesnalui [34]

The scarlet ibis (Eudocimus ruber) is a species of ibis in the bird family Threskiornithidae. ... Traditional Linnaean taxonomy classifies it as a unique species, but some scientists have moved to reclassify it as a ... More recent observation, however, has documented significant crossbreeding and hybridization in the wild.

6 0
3 years ago
Which of the following outcomes is observed during Rabies virus pathogenesis?
Digiron [165]

Answer:

c) Negri bodies are a diagnostic sign of Rabies virus infection.

Explanation:

Rabies is an infection caused by rabies virus which affects the neurons and causes inflammation of the brain. It is a deadly disease and many animals are carriers of this disease like dogs, cats, raccoons, wolf, bats, fox, etc.  

It is diagnosed by the presence of Negri bodies in the cytoplasm of nerve cells. Negri bodies are inclusions that are round or oval shapes having a size between 0.25 to 27 μm. Negri bodies can be frequently diagnosed in Purkinje cells of the cerebellum and pyramidal cells of Ammon’s horn.  

Apart from these cells, they can be found in various ganglia, neurons of the tongue and other organs. So the correct answer is c.

6 0
3 years ago
A spider plant sends out runners that have buds. When planted, the bud grows into a mature plant. The resulting plant has one pa
OlgaM077 [116]

A spider plant sends out runners that have buds. When planted, the bud grows into a mature plant. The resulting plant has one parent and is <u>genetically identical</u> to the parent.

Answer: Option C

<u>Explanation:</u>

Reproduction is of two types one is sexual reproduction and asexual reproduction. The asexual reproduction mostly involves only one parent and therefore the off spring that is born is genetically identical with the parent.

whereas in sexual reproduction that involves 2 parents the off spring born contains a genetic makeup that is a combination of 2 parents and thereby not genetically identical.

8 0
3 years ago
The sensation stage of the erotic stimulus pathway theory is similar to the _________ and _________ phases of the epor model.
leva [86]
Hi,

The answer is A.

"The sensation stage of the erotic stimulus pathway theory is similar to the excitement and orgasm phases of the epor model."

Hope this helps!
r3t40
7 0
3 years ago
Where does the H+ come from that makes ATP synthase work?
MissTica

Answer:

Chemiosmosis

Explanation:

The electrons from from NADH and FADH2 pass through the electron transport chain in the mitochondria, donating their electrons and generating a H+ buildup. This generates a proton pump to power ATP synthase. This process is called chemiosmosis.

3 0
3 years ago
Read 2 more answers
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