explain went experiment​

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Answer 1

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When Went placed the agar block on one side of the decapitated shoot, the shoot curved away from the agar as it grew. This demonstrated that some kind of hormonal signal had diffused into the agar from the coleoptile tips. ... Went's experiment represented the first time that anyone had isolated a hormone from plants.

Thanks hope it helps

Related Questions

A new dog breed is less likely to cause an allergic reaction in humans. Which statement explains how artificial selection led to the development of this desirable trait?


Different dogs were bred with other animal species such as cats to introduce new nonallergic traits to obtain the new dog breed.

Different dogs were bred with other animal species such as cats to introduce new nonallergic traits to obtain the new dog breed.

Different dog breeds were chosen for nonallergic traits and bred with each other to obtain the new dog breed.

Dogs were trained over generations to not produce and release proteins that cause allergic reactions in humans to obtain the new dog breed.

Dogs were kept outdoors over generations to build up a natural defense against allergens in the environment to obtain the new dog breed.

Answers

Answer:it is c

Explanation:cuz it is

Answer:

C

Explanation:

Because they would test the dogs for traits and then selectively breed them

i need this answer quick please thanks

Answers

Answer:

B!!!!!!!!!!!!!!!!!!!

the answer to number 4 is A.

the question above 4 is wrong, it is C.

if you need me to help with humber 5 please show the options.

What is the difference between mechanical energy and electrical energy?

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Answer:

Kinetic Energy can be defined as the energy possessed by the object by the virtue of its motion. The sum of these two energies is often called Mechanical Energy of the System. Electric Energy is also a form of these 2 energies: Electric potential energy stored in a charged particle in an electric field.

Explanation:

hope this helps...

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please help:((((((((((((((((

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Answer:

a Lil something you can do to help you out with

Answer:

the chlorophyll

Explanation:

how much will atmospheric carbon change in 10 years

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Answer:

Explanation:

Carbon dioxide is a greenhouse gas: a gas that absorbs and radiates heat. Warmed by sunlight, Earth’s land and ocean surfaces continuously radiate thermal infrared energy (heat). Unlike oxygen or nitrogen (which make up most of our atmosphere), greenhouse gases absorb that heat and release it gradually over time, like bricks in a fireplace after the fire goes out. Without this natural greenhouse effect, Earth’s average annual temperature would be below freezing instead of close to 60°F. But increases in greenhouse gases have tipped the Earth's energy budget out of balance, trapping additional heat and raising Earth's average temperature.

Carbon dioxide is the most important of Earth’s long-lived greenhouse gases. It absorbs less heat per molecule than the greenhouse gases methane or nitrous oxide, but it’s more abundant and it stays in the atmosphere much longer. And while carbon dioxide is less abundant and less powerful than water vapor on a molecule per molecule basis, it absorbs wavelengths of thermal energy that water vapor does not, which means it adds to the greenhouse effect in a unique way. Increases in atmospheric carbon dioxide are responsible for about two-thirds of the total energy imbalance that is causing Earth's temperature to rise.

What are two things that can make the pressure of a gas rise? (what are two variables you can change to increase the pressure) *

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Answer:

Temperature, pressure, volume and more

Hurry What effect did World War II have on the birth rate in the United States

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Answer:

There was a "baby boom" after the war

Explanation:

PLEASE HELP! 20 POINTS!! Explain how genes relate to the presence of dominant and recessive traits

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Answer:

Fires often remove alien plants that compete with native species for nutrients and space, and remove undergrowth, which allows sunlight to reach the forest floor, thereby supporting the growth of native species. ... Overall, fire is a catalyst for promoting biological diversity and healthy ecosystems.

Explanation:

Why do we need to fish on the reef?

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There are some non native fish on reefs that eat the native fish so we fish on the reef to get those non native fish out.

how did plants move from water to land how did that change life on earth?

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Answer:

Over time, plants had to evolve from living in water to living on land. In early plants, a waxy layer called a cuticle evolved to help seal water in the plant and prevent water loss. ... A later adaption for life on land was the evolution of vascular tissue.

1If you have 52.4 grams of hydrogen and 52.4 grams of helium, which one has a greater mass ? Why ?

Answers

Answer:

Hydrogen.

Explanation:

Hydrogen has greater mass and it's bigger than helium because as we move from left to right on the periodic table, atomic size decreases. Hydrogen atom is normally signified than H2 which is bigger than an atom of helium.

Also hydrogen has an atomic radius of 53pm while Helium has an atomic radius of 31 pm. Therefore the mass of helium is smaller than that of hydrogen.

Lichens are actually made of two organisms: algae and fungi. The algae provide food for the fungus, while the fungus provides protection for the algae. This type of relationship is known as:
Predation
Parasitism
Mutualism
Commensalism

Answers

The answer is mutualism, both organisms receive help from the other, and neither are harmed.

Which is an example of two
organisms competing for
an abiotic factor?


A. Two different species of insects
competing for leaves from trees.
B. Two different species of mammals
competing for small rodents to eat.
C. Two different species of bird bird
competing for berries
D. Two different species of mammals
competing for the same water source.

Answers

Answer:

D

Explanation:

because an abiotic factor is not alive and it can never had been alive at some point so water and two different mammals

Sophie visited Carlsbad Caverns with her family during her summer vacation, and she was amazed at the cave’s formations. She learned that the cave was formed from minerals.

Rearrange the phrases describing one of the ways minerals form into the correct order. Place the earliest stage of mineral formation at the top. Place the final stage at the bottom. (Write 1 2 3 or 4 in order)
1. a solution forms from a liquid and dissolved substances
2. a warm solution flows through a crack in the rocks there
3. elements and compounds leave as the solution cools
4. elements and compounds crystallize
BASICALLY SAY WHICH STEPS GO FIRST IN MINERAL FORMATIONS! PLESSS

Answers

Answer:

The ways through which the minerals form include the following order:

2. a warm solution flows through a crack in the rocks there

1. a solution forms from a liquid and dissolved substances

3. elements and compounds leave as the solution cools

4. elements and compounds crystallize

Explanation:

From the explanations above, it could be seen that a warm solution (most probably water) flows through the cracks in the rocks leading to dissolution of substances to form liquid. When the liquid cools, the elements leaves and crystallize as compounds.

Science 30 points just need to double-check this concept. Thank you only real answers, please.
Look at the minerals shown below. (1 point)


Both diamond and coal are formed by changes in pressure and temperature below the Earth's surface. Which of these is a step in the formation of the minerals?
A. atoms break up in extreme heat
B. atoms are rearranged in materials
C. atoms combine in water to form solids
D. atoms of magma cool after a volcanic eruption

Answers

Answer:

Atoms are rearranged in materials

Explanation:

Which invertebrate from the picture did you choose from Figure 1? HINT: There is only 1 on there to choose.

Explain how body plan and anatomy enables your chosen invertebrate to perform the essential functions it needs to survive.

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Answer:

Octopus (Behind the octopus's head, directly opposite the arms, is its mantle. The mantle is a highly muscled structure that houses all of the animal's organs. Its gills, hearts, digestive system and reproductive glands are all crammed into this one space)

Explanation:

A researcher recently discovered a new species of bacteria in the body of a tubeworm living near a hydrothermal vent. He compared the DNA of this new bacterial species to the DNA of four other species of bacteria. The DNA sequences came from the same part of the bacterial chromosome of all four species. According to these data, the unknown bacterial species is most closely related to

Answers

Answer:

That are more similar to each other.

Explanation:

The unknown bacterial species is most closely related to that bacteria which experience high temperature because both bacteria can live and survive in hot climatic conditions. The new species of bacteria and other four bacteria have some similar features due to similar chromosome but also have some differences due to difference in environmental conditions where they survived so those bacteria that have more similarities are more closely related to each other.

This Is for today help!!

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First one passive. Second one active. Third active. Fourth is active. Fifth active. 6 is active. Just remember if it is against concentration gradient or requires any kind of energy or ATP it is active.
I don’t know just need to answer a few questions

Which of the following would be most likely to provide nitrogen to enrich the soil in which it is grown?


corn

wheat

soybeans

cabbage

Answers

It’s corn and it’s an a correct
I would say corn should be the right answer.

Corn is known to remove approximately 1 pound of nitrogen for every bushel of grain produced.

Which of the following
organelles holds a lot of water to keep its rigidity?
A nucleus
B, cell membrane
C, cytoplasm
D, Vacuoles






h e l p

Answers

the answer is D, Vaculoes

If a plant is an organism then the plants leaves, roots and stems are what level of organization?

Answers

Answer:

organ systems

which includes all parts above the ground such as leaves, stems, roots and tubers.

Plants leaves, roots and stems are organ systems.

—Evidence—
•] Plants contain just two organ systems. The shoot system includes all of the parts above the ground, such as leaves and stems, while the root system includes all of the parts below the ground, such as roots and tubers.

Free earlobes are determined by a dominant allele. Attached earlobes are determined by a recessive allele. Tyler has free earlobes. His father has free earlobes but his mother has attached earlobes. What is Tyler’s genotype?

Answers

(I used E to represent earlobes) I think his genotype is Ee

what if the DNA polymerases only worked during the S phase?

Answers

yeah yeah oh gosh gosh i yeah oh gosh oh wow oh gosh gosh i oh yeah oh wow oh gosh oh wow oh gosh gosh i yeah oh gosh gosh i don’t know why you gotta do you have discord yeah oh gosh gosh i yeah

What must be true if prokaryotes evolved into eukaryotes by endosymbiosis

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Answer:

The ability to absorb other cells gave some prokaryotes a survival advantage.

Explanation:

The height of an object above sea level is called

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Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.

Explanation:

Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.

Explanation: hope this helps

PLS HELP! THANK U :,)

Answers

Answer:

Yep C, seems like the most reasonable answer to the question.

When a squirrel hears a strange noise that might indicate the presence of a predator, fight-or-flight hormones are released into its system. The hormones help prepare the squirrel's body to do strenuous physical activities, like quickly climbing up a tree, more efficiently. Which statement describes how two organ systems work together to help a squirrel respond to a possible external threat?

Answers

Answer:

The flight-or-flight hormones are released by the endocrine system in response to environmental changes detected by the nervous system.

Explanation:

yes

How many ventricles does the heart contain?

Answers

Answer:

The heart has two ventricles

Explanation:

What type of microscopy would you use to study the detailed internal structure of a mitochondria? A.Light microscopy B.Scanning Electron Microscopy C.Transmission Electron Microscopy D.Electron microscopy

Answers

Answer:

C: Transmission Electron Microscopy

Explanation:

Transmission Electron Microscopy shows the complex internal membrane structure of mitochondria

What is the solubility of potassium chloride at 55C

Answers

Answer: So our final value for the solubility of potassium chloride at 15 degrees Celsius is 36.3 grams per 100 mL of water. Hope this helps. Can u give me brainliest

Explanation:

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The following information is available for Keyser Corporation for the current year: Beginning Work in Process Cost of Beginning Work in Process: (75% complete) 14,500 units Material $25,100 Started 75,000 units Conversion 50,000 Ending Work in Process Current Costs: (60% complete) 16,000 units Material $120,000 Abnormal spoilage 2,500 units Conversion 300,000 Normal spoilage (continuous) 5,000 units Transferred out 66,000 units All materials are added at the start of production. Refer to Keyser Corporation. Assume that the cost per EUP for material and conversion are $1.75 and $4.55, respectively. What is the cost assigned to ending Work in Process The first person to answer this correctly with an explanation gets Brainiest. help!"I inventory my head and heart to weigh and measure what talents Imight use to make my own tomorrow."What does inventory mean as it is used in this sentence?a) take count ofb) find fault withc) ask others aboutd) change the nature of*poem is the sculpture by Nikki Grimes* identify the zeros of the polynomial function . Write the number in 2 equivalent forms as a fraction, decimal, or percent.0.40 If A=D and C=F, which additional statement does NOT alloy you to conclude that ABC=DEF What was the problem that led to the start of the Persian Wars? Which continent has the greatest number of least-developed countries?A. AsiaB. AfricaC. EuropeD. South America I dont understand this-(Look at picture below Number m less than 5 If l=3, w= 3, and h= 5, what is the volume of this box Help!This is for Patterns, Functions, and Algebra! Helppppppppppp I have 3 minutes I need the answer pliss 6= x15 What does 'X' equal? if a compound formula mass was experimentally determined to be 58, the chemical formula could be? A trader bought 20 cups of rice at 5 cups for 100 naira and sold them at 4 cups for 100naira . what was his profit At West Painting, they get about three calls a day asking for an estimate of the cost for having the interior of a house painted. To write up an estimate for the cost of a job, they need to know how much paint a job will take. If they average painting 3/4 of a room with 2/5 of a gallon of paint, then they can paint, on average, rooms per gallon. Plz help: what is the probability?Rolling a number that is less than three 5 times in a row on a number cube labeled 1 through 6 Louis built athat relieved much suffering in Paris.