what is a light reaction ?​

Answer:

the reaction of something, especially the iris of the eye, to different intensities of light.

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Answer:

Well

A reaction which occurs as the first phase of photosynthesis, in which energy in the form of light is absorbed and converted to chemical energy in the form of ATP.

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Which statement about gene expression is TRUE?
A. The gene for making hair WILL NOT BE expressed in the lining of the stomach.

B. The gene for making a bone WILL BE expressed to create your eye balls.

C. The gene for making fingernails WILL NOT BE expressed in the cells at the tips of your fingers.

What does the theory of evolution contribute to conservation biology?

A) It helps scientists understand how populations and species are related, and this knowledge can be used to help these populations and species survive.

B) It helps scientists understand how populations and species are related, and this knowledge can be used to capture and breed the fittest organisms in these populations and species.

C)It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive.

D)It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to capture and breed the fittest organisms in these populations and species.

I'm timed and this is my last question, please help me on this one, thank you!

DNA Replication Assignment

Elizabeth has always believed that people’s thoughts can help heal them. She wants to help people use positive thinking to positively affect their illnesses. What type of psychology would be MOST appropriate for Elizabeth to study? A. human factors psychology B. industrial psychology C. health psychology D. sports psychology

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What pulls the chromosomes apart in anaphase?
A. Fishing Line

B. Life Choices

C. Scorpion's Spear (Get Over Here!)

D. Spindle Fibers

The data show that both paper grocery bags and plastic grocery bags cause harm to the environment. As a result, the scientists who study this issue are most likely to:

The kidneys are organs that are involved in which process in mammals?

In fruit flies, red eye color (R) is
dominant over brown eye color(r).
What percentage of offspring would be
expected to have brown eyes if parent
one is Rr and parent two is rr?

Reproduction for dolphins and badgers and people is more complicated because
A. we have to apply for a license before we can reproduce

B. have to find a partner

C. go through the cellular process of MITOSIS to produce sex cells.

Because coupled transcription/translation requires that the two processes occur in the same subcellular space, it is likely that this coupling is found _____. Multiple choice question. only in the Eukarya domain in both the Bacteria and Archaea domains only in the Bacteria domain in both the Archaea and Eukarya domains only in the Archaea domain

if u had to text someone my mistake but on purpose but u say it was a mistake
what would u ask? and it would make the person who you're sending this too think that "wow u do so and so??"

PLSSS HELP NOW plssssssssssssssssssssssss

What is a difference between endocrine and exocrine glands?

A.
Endocrine glands secrete hormones into the bloodstream and exocrine glands secrete products into ducts.
B.
Endocrine glands produce nutrients for cells and exocrine glands absorb minerals for cells.
C.
Endocrine glands secrete products into ducts and exocrine glands secrete hormones into the bloodstream.
D.
Endocrine glands absorb minerals for cells and exocrine glands produce nutrients for cells.

If earth’s atmosphere is made up of 78% nitrogen, why is nitrogen a limiting factor for producers?
A.
Consumers respire all of the available nitrogen.

B.
Nitrogen is unusable in its liquid form.

C.
There are more plants than gaseous nitrogen.

D.
Nitrogen is unusable in its gaseous form.

The question is what 2 things are correct about the neuron when no signal is being transmitted

Which of the following is NOT a characteristic of life?If you explain too I give you a brainlist.
A.Made of one or more cells
B.Movement
C.Requires Energy
D.Adapts over time

prairie dogs north america Indirect relationship (between keystone species and other organisms): Preservation Status:

Based on what you know about the relationship between the burning of fossil fuels (coal, oil, gasoline) and CO2, how could this also contribute to the cyclic nature of CO2 concentrations throughout the year?

what scientific term is used to describe all the genes of one organism?​

I NEED HELP ASAP
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Amoebas make exact copies of themselves. Therefore, they reproduce
A. asexually buy the process of MEIOSIS

B. sexually by the process of MITOSIS

C. sexually by the process of MEIOSIS

D. asexually by the process of MITOSIS

Why is it important for us to learn about digestive system in the first place?
please help​

1. How has freshwater been threatened around the world?
2. What are ways freshwater is becoming polluted?
3. How does polluted water affect the ecosystem? Describe all ways.
4. What are ways freshwater can be used for besides drinking?

U don’t have to answerrrr all, just help me with whatever u can !! :)

Will give a brainiest for the answer thanks :)

]
Enzymes can speed up chemical reactions because they can absorb excess energy.
True
False

Was the moon landing real or simulated?

What are the two steps of protein synthesis?
A. Cellular Respiration & Photosynthesis

B. Transcription & Replication

C. Transcription & Translation

What are three real life examples of diffusion and the Cells ? ​

Which is the path of sperm from the testes to the urethra?