BIOLOGY HIGH SCHOOL

BRAINLIESTTT ASAP!!! What happens to water (H2O) and carbon dioxide (CO2) during photosynthesis?

Answers

Answer 1
Answer: The carbon dioxide enters the leaves of the plant through small pores called stomata. ... The plant uses sunlight as energy to perform this chemical reaction. Photosynthesis separates carbon dioxide and water — known as CO2 and H2O, respectively — into their individual molecules and combines them into new products.
Answer 2
Answer: C02 is entering the plant to make h20 during photosynthesis

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HIGH SCHOOL

What happens in Citric acid cycle?

Answers

Answer:

Explanation:

Cellular respiration generally involves breaking down of large organic molecules to release ATP (energy). Citric Acid cycle, also known as Kreb's cycle or Tricarboxylic acid cycle is the second stage of the cellular respiration (unique to aerobic organisms). Citric acid cycle occurs in the intracellular space or matrix of the mitochondria of eukaryotes.

Glycolysis, which is the first step of cellular respiration, produces pyruvate which is then converted to Acetyl CoA in order to enter the Kreb's cycle by first combining with oxaloacetate. Generally, citric acid cycle involves an eight-steps reaction consisting of series of reduction-oxidation, hydration, dehydration, decarboxylation reactions, with each step catalyzed by different enzymes.

In a nutshell, oxaloacetate is generated back at the completion of the cycle alongside 2 molecules of CO2, one GTP/ATP molecule and electron donors; NADH2 and FADH2. These reduced electron donors enter the third step of aerobic cellular respiration and act as the first electron donor in the Electron transport chain.

HIGH SCHOOL

Definition of control group

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A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.

Answer:

...

Explanation:

MIDDLE SCHOOL

A particle can infect humans and make them sick. It attaches to a host cell and injects its RNA, which the host uses to make proteins for the particle. This particle cannot reproduce on its own and can only copy itself by using the machinery of the host.

Answers

Answer:

Virus

Explanation:

Viruses are particles that are not considered alive because they can not reproduce themselves. They need a host to multiply. They adhere to the cell wall and inject RNA with the necessary information to form identical copies. They force the host to use their own machinery to synthesize multiple identical copies.

I'm sure the answer is Viruses, but if your looking for something specific I don't think I can help you with that.
MIDDLE SCHOOL

Why is UVA light considered a mutagen? It penetrates the skin and can cause mutations.
It can be prevented by wearing a protective vest.
It produces chemicals that can be inhaled.
It is found in synthetic dyes and cosmetics.

Answers

Answer:

It penetrates the skin and can cause mutations.

Explanation:

UV light is the most common source of radiation that affects DNA, but it is a weak radiation and it penetrates only the surface cells of your skin. However, UVA radiation is considered as a mutagen because it penetrates deep into the skin and can cause mutations.

Answer:

The first one, It penetrates the skin and can cause mutations

Explanation:

MIDDLE SCHOOL

How did John dalton discover the atomic theory?

Answers

By using law of conservation of mass and constant proportions Dalton’s atomic theory or model was established.

What is atomic model ?

Dalton considered the matter is made up of atom which is the smallest, indivisible unit of matter.

His model suggested that atom is a  ball-like structure, symbolized different atoms.

Different postulates of this theory are every atoms are identical, same size, shape, mass and other properties.

It can neither be created nor be destroyed  and cannot be subdivided in a chemical reaction.

Atoms of different elements  in a simple but fixed ratio and produce compounds by forming different bonds.

In a chemical reaction where the atoms are arranged and form new product but the number of atom remain same before and after reaction.

Learn more about atomic model, here:

brainly.com/question/14364728

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Answer:

He discovered it by Experiments and that led John Dalton to finding his theory !

Explanation:

Experiments with gases that first became possible at the turn of the nineteenth century led John Dalton in 1803 to propose a modern theory of the atom based on the following assumptions. Atoms of different elements combine in simple whole numbers to form compounds, 5. Atoms cannot be created or destroyed.

ℍ : Dalton discovered that oxygen combined with either one or two volumes of nitric oxide in closed vessels over water and this pioneering observation of integral multiple proportions provided important experimental evidence for his incipient atomic ideas. Ps:  I usally dont answer but I tried :D !

MIDDLE SCHOOL

What do scientist use to learn about Earth's core

Answers

he outer core of the Earth is a liquid layer about 2,260 kilometers thick. It is made of iron and nickel. This is above the Earth's solid inner core and below the mantle. Its outer boundary is 2,890 km (1,800 mi) beneath the Earth's surface.

HIGH SCHOOL

Why is a cells DNA like the books in a library

Answers

The cell's DNA is like the books in a library because a larger cell would have to make greater demands on its available genetic "library". In time, the cell's DNA would no longer be able to serve the increasing needs of the growing cell, like a town growing in size borrowing books from a small library.
MIDDLE SCHOOL

How did the Allies' "Europe first strategy affect events in the Pacific in the first half of 1942? Japan weakened its offensive by sending troops to help Germany,
American leaders tried to sign a truce with Japan
With fewer resources, Allied forces in the Pacific lost a series of battles against the Japanese
O Allied forces still went on the offensive and drove back the Japanese,
DONE

Answers

The Allies' "Europe first" strategy affect events in the Pacific in the first half of 1942 "with fewer resources, Allied forces in the Pacific lost a series of battles against the Japanese".

Answer: Option C

Explanation:

The policy of Germany first or Europe First was major pillar of the grand strategy, as agreed by the U.K and the U.S held during second World War. They would first use the dominance of their wealth to vanquish  Nazi Germany, Europe.

They battle a holding action toward Japan at the Pacific in the same time by applying only limited resources. Since Germany's defeat deemed the UK's biggest threat, most of the Allied forces would be focused against Japan.

HIGH SCHOOL

The Principle of Fossil/Faunal Succession states that groups of fossil plants and animals occur in the geologic record in a definite and determinable order. Group of answer choices True False

Answers

"The Principle of Fossil/Faunal Succession states that groups of fossil plants and animals occur in the geologic record in a definite and determinable order" is TRUE.

Option: A

Explanation:

The theory of faunal succession is predicated on the belief that sedimentary rock strata comprise fossilized flora and fauna, and that such fossils are vertically active in a particular, stable sequence which can be defined over large horizontal ranges.

For geologists who have to understand the ages of the rocks they are studying, the Law of Fossil Succession is really relevant. The fossils that are embedded in a rock exposure or in a core hole can be used very specifically to evaluate the rock age.

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