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Greeley [361]
3 years ago
15

Vibrio cholera is a bacterium that causes the diarrheal disease known as cholera. In the 1800s

Biology
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

Answer:

''If the old cells inoculated in chicken, it produces resistance in the chicken against new V. cholera cells.''

Explanation:

From the data provided by Louis Pasteur, we make a hypothesis i. e. ''If the old cells inoculated in chicken, it produces resistance in the chicken against new V. cholera cells.'' From these observation we can assume that by allowing old V. cholera cells to chicken, it did not cause any disease but make immunity against the new V. cholera cells which are more effective from old V. cholera cells.

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Agrobacteriuminfects plants and causes them to form tumors. You are asked to determine how long a plant must be exposed to these
Oksi-84 [34.3K]

Answer:

<em>Measure the number of tumors formed on plants, which are exposed to Agrobacterium for different lengths of time.</em>

Explanation:

A scientific experiment comprises of an independent variable and a dependent variable. In the following example, the no.of tumours will be the dependent variable and the different lengths of time for which the plant will be exposed to the agrobacterium will be the independent variable.

The independent variable is the one which is changed so that its effect on the dependent variable can be studied.

7 0
4 years ago
When a person steps from a shower on a cold morning, why does the tile floor seem so much more colder than the air.
kogti [31]
Their skin is accustomed to the warmth of the water in the shower and so by comparison the tile feels cold. It's like if you went from outside on a cold winter day to inside, you would instantly feel warmer.
8 0
3 years ago
Read 2 more answers
In a crime scene, what would you place matches in found as evidence? And why?
andriy [413]

Answer:

A plastic bag

Explanation:

Because most evidence is stored in a plastic bag so no evidence is removed and it is protected.

4 0
3 years ago
Can you name a species that can only be found in Alaska (and nowhere else in the world)?
Ilia_Sergeevich [38]
Some species we see in Alaska and nowhere else in the Wolrd are:

Bats
Shrews
Bears
Seals
White Wolfs
Sea lions
Racoons
Walrus. 

Bears, Seals, White Wolfs and Sea lions survive the cold weather much more than those other animals. 

7 0
4 years ago
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List at least three medical or health uses of plants that are unrelated to photosynthesis
Ghella [55]

Dandelion

It is an overly proven diuretic and your livers best friend; it helps detox your entire body. It also contains potassium, and some have used it to treat eczema, intestinal problems and arthritis. Its leaves also help to regulate blood sugar.

Rosemary

This is one of the oldest plants in our diet. According to recent studies, rosemary can help slow the progression of Alzheimer’s decease. Also, its oils naturally fight bacteria and fungi in your body and home. Ofelia’s famous words in Hamlet “There’s rosemary, that’s for remembrance,” refer to the plant’s ability to strengthen memory by improving blood circulation in the brain.

Lavender

Since classical antiquity, people have used lavender for its anti-inflammatory and antiseptic properties. But its very fragrance can help with anxiety, migraine, insomnia and depression.

Aloe Vera

For years, people have used the secretions of this plant to treat burns, cuts or superficial infections. It’s great for digestion, also, if you take it with juice.

Thyme

The citric variation of this herb (Thymus citriodorus) is known for its positive effects on children’s digestion and its antibiotic and antifungal properties, particularly used for healing superficial wounds.

Celery

Better known for its sweet zest, celery is also a great diuretic. The seed extract of this vegetable reduces blood pressure in animals and yields sedative and anti-convulsive effects for humans. However, excessive consumption may cause photodermatitis.

Sunflowers

According to the Medical Horticultural Society of Massachusetts, “a tea made from the leaves of sunflowers is an astringent, a diuretic and an expectorant, and it also works to reduce fevers.” Consuming sunflowers helps alleviate cold symptoms, and its ability to remove toxic substances lead the Russian Government to use it for cleaning the floors at the Chernobyl Power Plant after the nuclear disaster.

Mint

Headaches, skin irritations, nausea, pain, diarrhea and bloating are some of the many symptoms that mint alleviates. It also helps with digestion and chest congestion. Some studies suggest that it has antibacterial and antiviral properties.

Nepeta cataria

This plant, whose common name changes depending on where you are (cat mint, catnip, cat’s basil) is famous for inducing hallucinatory states of mind in cats. But people can chew its leaves to alleviate toothaches, fevers (because it causes sweating) and as a sedative. It is also known to repel mosquitoes much more effectively than store bought repellent.

Basil

This is another medicinal tradition inherited from the Mediterranean; basil was first used in the Greco-Roman world to repel insects and as an antidote to scorpion’s poison. People in India commonly use it to treat stress, diabetes, and asthma. New studies also suggest that basil has antiviral and antioxidant properties.

5 0
3 years ago
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