explain went experiment​

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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.

The International Astronomical Union (IAU) defines a constellation by its:

boundary

star pattern

brightest star

Greek name

largest single organ; cleans out poisons in blood and takes vitamins out of the blood

Adolescents should be careful about what they eat , beacuse

what trait only appears when a organism is a homzygous

What phyla is this animal?





Platyhelminthes

Nematoda

Annelida

Cnidarian

Passive transport uses no energy because its moving molecules____________ the concentration gradient while active transport uses energy because its moving molecule ________________ the concentration gradient.

Which of the following processes is key to producing gametes?

What are physical properties?

what does each of these scientists study

Once ice forms on a lake in winter, the water underneath the ice remains about 4 c even if the air temperature just above the ice far below freezing. What property of water helps keep the water below the ice from freezing?

13. A man who has type A blood whose dad had type O blood and a
woman with type B blood whose mom has type O blood are going to have
a child. A. What are the genotypes of the parents? B. What are the possible
blood types of the child and what are the chances of the child could have
each one?

I am made up of nucleotides. Am I DNA RNA or both?

As you grow older, you will need to remain physically active to keep a good level of physical fitness.
Please select the best answer from the choices provided.
T
F
Mark this and retum
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Unlike Animals ,Fungi...

Which of the following accurately describes the use of fossil fuels for energy?
A
At the present rate, we will run out of fossil fuels in about 250 years.
B
Burning fossil fuels releases large amounts of carbon dioxide into the atmosphere.
C
Fossil fuels account for only 40 percent of the electricity generated in the United States.
D
All of the above

PLEASE PUT THIS IN THE CORRECT ORDER! I AM FAILING THIS CLASS :< PLEASE HELP! I will give brainliest!!!!!

Which is not a type of crystal system?
A. hexagonal
B. monoclinic
C. orthorhombic
D. triangular

what would you make if you added CO2, water and energy

What process is represented in the picture above?

Using the diagram above, answer the following questions: 6. True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false. 7. True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false. 8. Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected? 9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected. 10. Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.

20 points, quick question
After one species disappears, the other species in the ecosystem ____.
a. benefit
b. are thrown out of balance
c. die
d. are unaffected

On the Indonesian island of Bali, about 3/4 of the feral (stray) cats have a stumpy tail while only 1/4 of the cats have a regular long tail. When you did some experiments and picked out a bunch of random stumpy-tailed cats and mated them, they had some stumpy-tailed kittens and some regular-tailed kittens. You did the same with the the regular tailed cats, but they always had only regular tailed kittens. What does this tell you about the genotype of the regular tailed cats

For each of the following causes of extinction, explain how the increase in the human population makes the problem worse.
a. Habitat alteration
b. Commercial hunting
c. Competition
d. Sport hunting
e. Pest control
f. Pollution

plz help me with this

A light bulb converts electrical energy to
thermal energy and mechanical energy
nuclear and chemical energy
electromagnetic (light) energy and thermal energy
electrical and chemical energy

Is enzyme substrate complex concentration the product of enzyme concentration and substrate concentration?

⚠️HELP⚠️

UV rays, chemicals, radiation, and tobacco products are all agents known to cause cancer because they can cause the DNA in cells to be incorrectly transcribed, therefore continuously making a
protein. What are these agents caffed?
Pollution
A
B
Mutagens
С
Polypeptides
D
Anticodons

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

The major goal of the Social Gospel movement in the late 19th and early 20th century was to: Promote the spread of Protestantism in United States territories Promote the spread of Protestantism in United States territories Draw the attention of Protestant churches to the plight of the urban poor Draw the attention of Protestant churches to the plight of the urban poor Encourage support for Charles Darwin's theory of biological evolution Encourage support for Charles Darwin's theory of biological evolution Spread Nativist sentiments

Dimples are dominant; no dimples are recessive. Mr. Dowling is heterozygous for dimples, and Mrs. Dowling is also heterozygous for dimples. Whatcare the possibilities of their offspring?