Erwin Chargaff examined DNA samples from different organisms to study base pairing. Some data from DNA
samples are shown.
Organism
Adenine
Guanine
Cytosine
Thymine
Sea urchin
32.8%
17.7%
17.3%
32.1%
Salmon
29.7%
20.8%
20.4%
29.1%
Wheat
28.1%
21.8%
22.7%
27.4%
Which conclusion is supported by the data in the table?
А
Each organism contains more cytosine than any other base.
В B
The three organisms have the same sequence of nucleotides.
1-35
Rack
Review/ind

Answer:

E) All of the above

Explanation:

Malaria, is caused by mosquito bites, and mosquito's follow warmth, so if climate changes to warm really quickly more people are likely to get malaria. Skin cancer can be caused by sun radiation, or staying in the sun for to long, so if climate changes again to really warm, you can get skin cancer if not careful. If your to hot you can go in hypothermia shock. And if the elevation increases or decreases to quick you can get elevation sickness. All of these options change, because of the climate around them, therefore the answer is E. I hope this helps :)

Answer:

B: student B

C: He must have either the same mass or the gravity must be equal to [M(a)xG(a)]/M(b)= (25 x 10)/30=250/30=8.33

Answer:

B. 25%

Explanation:

There are 3 out of 4 chances the flower will be white because the white is a dominant trait, this leaves 1 out 4 chances for the flower to be purple.

Note: Drawing punnet squares can help you find the possible genotypes.

Answer:

D

Explanation:

Answer:

D

Explanation:

Pretty obvious lol

Answer:

1- B eukaryotic cells have a nucleus while prokaryotic don't

2- C

3- D

Explanation:

Oxygen diffuses easily through air, and the soil stays aerobic because oxygen comes in from the surface. But after a rain, the soil pores and the worm burrows fill with water. The worms can't get enough oxygen when the soil is flooded, so they come to the surface to breathe.

Answer:

animals

Explanation:

earthworm which is in soil

Aloe vera, Christmas cacti, neem, orchids, and other plants can be found in the lithosphere.

The solid outer layer of Earth is known as the lithosphere. The Earth's outermost layers, the crust and the brittle upper part of the mantle, are together referred to as the lithosphere.

The asthenosphere, another component of the upper mantle, and the atmosphere form its boundaries.

Lithosphere Together, the upper mantle and crust make up the outermost layer of the planet. The lithosphere is home to a variety of plants, including aloe vera, Christmas cacti, neem, orchids, and others.

The lithosphere includes a wide variety of animals. There exist microorganisms, underground organisms, animals that live on the ocean floor, as well as land animals including tigers, lizards, and moles.

Thus, these are the plants that lives in lithosphere.

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Answer:

weather is the climatic condition s of a place for a short period of time . components of weather are -raunfall,cloudniss etc.

Answer:

the first one

Explanation:

So the predicted offspring genotypes are 50% Hh and 50% hh

so there is a 50% chance that they will have no horns and and aa 50% chance that they wont

Answer:

a combination of large groups of people, and they are all travelling- which increases the spread.

Answer:

The reason airports, trains, cruises, and bus stations are considered high risk areas for biological warfare is because they all have a high number of people in them which means that there will be more fatalities.

Answer:

its called the enzyme pectinase

Explanation:

it speeds up up the breakdown of pectin in fruits producing more juices

Answer:

Less water vapor in the atemosphere

Explanation:

Answer:

less water vapor in the atmosphere

Explanation:

Answer:

Plant adaptations

Drip tips - plants have leaves with pointy tips. ...

Buttress roots - large roots have ridges which create a large surface area that help to support large trees.

Epiphytes - these are plants which live on the branches of trees high up in the canopy.

Explanation:

Answer:

There is overall agreement that volcanic sulphate aerosols in the stratosphere can reduce solar radiation reaching the earth's surface for years, thereby reducing surface temperatures, affecting global circulation patterns and generally the global climate system.

legumes can get their nitrogen from the atmosphere

Explanation:

They can convert nitrogen in the atmosphere into a usable form through a mutual effort between microorganisms in the soil and nodules the plants' roots. This process is known as symbiotic nitrogen fixation.

Answer:

Advantages

•  After the procedure, the female will no longer have to worry about becoming pregnant again.

•  It causes no hormonal changes to the body.

Disadvantages

•  The procedure is difficult to reverse. So even if there is a slight chance that you might consider having children in the future, this procedure is not meant for you.

•  Tubal ligation does not offer any protection against sexually transmitted diseases.

•  If in case the procedure fails and you become pregnant, you have an increased risk of ectopic pregnancy. Ectopic pregnancy is the one where the foetus develops outside the uterus.

•  Any kind of surgery is prone to complications and the same applies to mini-laparotomy as well. The surgery might result in some or any kind of infection, bleeding, injury to the bowels, bladder, or uterus. It may also result in permanent scarring.

Primary succession occurs after the occurrence of a severe event that leaves nothing but rocky surfaces. Option B. Lichens will grow on the cooled lava.

The succession term refers to colonization and subsequent changes.

Colonization has been defined as the sequence of events that conduce to the establishment of individuals, populations, species, or bigger groups in areas where they were absent before.

Succession refers to changes produced in the composition and structure of communities after a perturbation. There are different grades of succession according to the perturbation intensity.

In primary succession, the perturbation is so intense that it eliminates all the life forms in the area.

It is the sequence of species appearance in an exposed area that has not been influenced by any other species or community before.

In these cases, the rock gets exposed but it can not be colonized directly. The new area needs to suffer erosion and different chemical and physical processes that fragment, degrade and dissolve the rock to make colonization possible.

Primary succession occurs after severe events affecting a region, such as a retreating glacier, a volcanic activity, or an intense fire that leave nothing but the exposed rock.

After the disturbance, the order of the living beings establishment depends on the strategies of each of the species to survive.

First, pioneer species arrive. These are the first inhabitants, mostly lichens or plants with the capability of surviving in such an environment. Only a few pioneers can establish in the open space.

Pioneers modify the habitat. They make it more suitable for the posterior establishment of later species, converting rock into fertile soil. As conditions get better, new species arrive like grasses.

Grasses and pioneers keep modifying the ground and making it better with time.

Habitat modification keeps on going while new species establish. They produce shadows and alter the temperature, and humidity, fertilizing the soil.

Competition becomes more frequent between species. The first species are eventually eliminated by competition, while new species keep appearing and competing for resources.

This sequence continues until there is no more facilitation, and the communities reache a climax, becoming stable and lasting for hundreds of years until another disturbance occurs.

In the exposed example, the severe event affecting the Hawaii's Big Island was a volcanoe eruption.

The most likely event observed first in the areas covered by lava would be Lichens will grow on the cooled lava. Option B

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Answer:

This would be an example of nonpoint source pollution.

Explanation:

The source of point source pollution is typically factories and powerplants, leading to more air and water transferred pollutants and becoming easier to track. Nonpoint source pollution is the opposite of point-source pollution, with pollutants being released in a wide area. Since the rainwater would be washing the oils and particles into the water, it would be considered runoff. Runoff is one of the leading causes of point source pollution. I hope this helps. ^_^

Answer: You might experience cold/winter weather because

Explanation: Atlantic ocean is pretty cold and as cold air rise up in the air making the atmospher kinda cold even when its near the equator.... because you are on a ship and you will only feel cold weather.

Answer:

The correct anwser is D. Signals inside the spinal cord

Explanation:

hope this helps :)

Answer:

The cardiovascular system helps to maintain homeostasis with respect to body temperature. An increased heart rate increases the delivery of blood to your skin. Increased blood flow to your skin and sweating causes dissipation of heat, and body temperature remains within normal limits.

Explanation:

Answer:

well here mate.

Explanation:

the reason i9s while exercising different exercises require different levels of energy therefor why you do push ups your heart rate will beat very fast depending on how long you have been doing them, and when you jog you are at a comfy speed there fore your heart rate stays low and calm.

The answer is two operons control bacterial respiration

Answer:

two operons control bacterial respiration

Explanation:

Answer:

Explanation:

Organic molecules are the molecules which exist in all living things. They are life's building blocks. All things are formed from these organic molecules.

Answer:

d, or heart disease.

Explanation:

Answer:

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