bio help please please

The given diagram summarizes the light reactions of photosynthesis. Which numbered question mark represents a molecule of ATP?

Answer:

C

Explanation:

because there is uracil instead of thymine. thymine is found in dna and uracil is found in rna

Answer:

I think its c or d

Explanation:

The majority of aquatic amphibians have a short Loop of Henle, which lessens mineral and water absorption. Water thus enters the kidney tubules directly.

Ammonia is simple to excrete because it is small and easily diffuses through cell membranes. In essence, there is a trade-off between easy excretion and levels of toxicity. Due to the abundance of water available to diluted ammonia wastes, toxicity is minimal for aquatic animals.

The two kidneys in amphibians, like those in humans, filter waste from the bloodstream and combine it with water to form urine. The ureters transport urine from the kidneys to the bladder before it leaves the body through the cloaca.

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In a culture of bacteria, individuals that are unable to synthesize histidine differ in their genotype and in their phenotype compared to other bacteria.

In a culture of bacteria, individuals that are unable to synthesize histidine differ in their genotype and in their phenotype compared to other bacteria.

Lower eukaryotes, plants, lower bacteria, and archaea all contain the old metabolic pathway that generates histidine. The majority of histidine biosynthesis research has been concentrated on Escherichia coli and Salmonella typhimurium, uncovering fundamental regulatory mechanisms in bacteria. An organism's observable attributes or characteristics are referred to as its phenotype, whereas the genetic information passed down through generations is known as its genotype. Bacteria that synthesize histidine do so because of their physical characteristics and genetic makeup, as opposed to bacteria that do not because of those same characteristics and genetic makeup.

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Answer:

To warm up the Earth.

Explanation:

Carbon dioxide in the atmosphere warms the planet causing climate change.

Answer:

ATP production depends upon respiration

oxygen requirement depends on the type of respiration (aerobic or anaerobic) the cell does.

Explanation:

for anaerobic --->no oxygen is required e.g.red blood cells do not respire aerobically, only glycolysis produces ATP are utilized

for aerobic ----->oxygen is required.e.gliver cell

Answer:

Light-dependent reactions harness energy from the sun to produce ATP and NADPH so Light Reactions

Since on average day the trillions of cell in human body carry out many chemical processes. The form of energy do those processes use directly is option B: ATP.

By adding a phosphate group to another molecule, ATP can drive biological operations (a process called phosphorylation). Special enzymes are responsible for carrying out this transfer, which connects the cellular processes that need energy to the release of energy from ATP.

Note that since ATP is produced in the human body,  the majority of ATP synthesis takes place during cellular respiration within the mitochondrial matrix, producing about 32 ATP molecules for each oxidized glucose molecule.

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Four classes of organic compounds containing carbon are carbohydrates, proteins, lipids, and nucleic acids. The carbon cycle involves photosynthesis which gives proteins to plants and animals. plants get their carbon from the air and their nitrogen from the soil.

Every living thing contains organic molecules like lipids, proteins, carbohydrates, and nucleic acids. Large carbon-based structures make up these macromolecules.

Carbon is shared between living things and their environment during the carbon cycle. It describes how carbon moves when it is recycled and used again. Since carbon is the primary component of biological compounds, it is crucial for photosynthetic organisms to absorb carbon dioxide (CO₂) from the atmosphere, use it to make organic molecules like carbohydrates, lipids, proteins, and nucleic acids, and then release it back into the atmosphere as CO₂ during respiration.

On the other hand, plants cannot absorb nitrogen from the atmosphere in the form of the gas N₂. It is transformed by bacteria into ammonia (NH₃), a type of nitrogen that plants may use, as part of the nitrogen fixation process. Animals ingest useable nitrogen molecules when they consume plants.

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This model best represents the role of carbon dioxide in trapping heat from radiation in the green house effect.

What is the green house effect?

By means of "greenhouse gases," heat is held in close proximity to the Earth's surface, creating the greenhouse effect. The world is kept warmer than it would be without the help of these heat-trapping gases, which act as a blanket surrounding the planet.

Most of the sun's visible light can travel through the atmosphere and reach the surface of the Earth. When sunlight heats the Earth's surface, some of the energy is radiated back into space as infrared radiation. Contrary to visible light, this radiation has a tendency to be absorbed by the greenhouse gases in the atmosphere, increasing its temperature. Infrared radiation is sent back toward the surface of the Earth by the heated atmosphere. (Despite its name, the greenhouse effect is not the same as the warming in a greenhouse, where glass panes transmit visible sunlight but hold heat inside the building by trapping warmed air.)

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After two cycles of PCR, 4 copies of double-stranded DNA molecules correspond exactly to the desired product of amplification.

The polymerase chain reaction (PCR) is a technique that is frequently used to quickly create millions to billions of copies (complete or partial) of a specific DNA sample. This technique enables researchers to take a very small DNA sample and amplify it (or a portion of it) to a large enough quantity to study in detail. The PCR method of DNA manipulation was created in 1983 by American biochemist Kary Mullis at Cetus Corporation. Mullis and biochemist Michael Smith, who had created other crucial techniques for DNA manipulation, shared the 1993 Nobel Prize in Chemistry.

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Being in charge of the world , the three most important components of my strategy for dealing with sustainability would be completely different for developed and developing country.

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Photons of light are absorbed by electrons in NADPH, increasing its energy.

Although it operates similarly, photosynthesis requires the distinct fuel NADPH. A high-energy electron and proton are taken up by the low-energy form NADP+ and transformed into NADPH. NADPH changes back to NADP+ when one electron is lost. Overall, this process transforms light energy into chemical energy in the form of ATP and NADPH.

The Calvin cycle, the following stage of photosynthesis, uses ATP and NADPH from the light-dependent process to produce carbohydrates. Two electron transport chains work together to make ATP and NADPH. During the photoreaction, oxygen and water are both consumed. Since the process starts with sunlight, these reactions can only occur in the sun. the moment the photosystem is reached by an electron from the electron transport chain.

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The division of Chlamydomonas cell by meiosis and mitosis is an example of sexual and Asexual reproduction respectively

Chlamydomonas is a genus of green algae that are mostly found in ponds, freshwater lakes etc.

THEY used to be claasifeied as a protist but are generall regarded as plants

Chlamydomonas undergo both asexual, which can occur at any time and sexual reproduction that can only occur in favorable conditions

They reproduce asexually by a process known as mitosis is the division of one cell into daughter cells. each cell is genetically identical

During sexual reproduction, a single cell divides to produce four daughter cells through a process known as meiosis

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Answer:

b. As water contract during freezing the cells pull away from each other causing damage

[tex]\Large \boxed{\sf D}[/tex]

The cells would split apart due to the expansion of extra water when it freezes inside them. The liquid inside the cells can freeze and expand when the temperature drops below 0°C. The crop becomes unproductive as a result of the cells breaking.

In epithelial tissues there is little or no intercellular space between the cells.

The correct option is D.

There are many epithelial tissues in the human body. They make up the majority of the tissue in glands, line body cavities and hollow organs, and cover all of the body's surfaces. Protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception are just a few of the many tasks they carry out.

The body's fundamental tissue barriers are the epithelia; they divide tissue into compartments, allow for the exchange of nutrients and waste products, and shield the body from the outside environment.

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The complete question is-

In epithelial tissues ________.

A) cells that are damaged or lost at the surface cannot be replaced

B) cells obtain nutrients via blood vessels found in the tissues

C) extracellular fluid or fibers separate the individual cells

D) there is little or no intercellular space between the cells

E) the organelles and other cytoplasmic components are evenly distributed between the exposed

The initial mass of iodine decay after t days is 6 g

How much of the mass remains after 20 days is 1.053 g

Here's the complete question:

Doctors use radioactive iodine as a tracer in diagnosing certain thyroid gland disorders. This type of iodine decays in such a way that the mass remaining after

m(t) = 6e−0.087t

where m(t) is measured in grams.

a) Find the initial mass (mass at time t = 0).

b) How much of the mass remains after 20 days?

a) Find the initial mass (mass at time t = 0).

m(t) = 6e-0.087t

The unit t  is assume to be in  days.

m(0) = 6e⁰ g = 6 g

b) How much of the mass remains after 20 days?

Using the equation

m(x) = ne⁻⁰°⁰⁸⁷⁽²⁰⁾

m(20) = 6e⁻⁰°⁰⁸⁷⁽²⁰⁾  g ≅ 1.053 g

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Answer:

False

Example:

Only the physical properties like shape, size, appearance etc., are changed. Hence the given statement is false.

Answer:

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The name of the naturally occurring salt Na CI is Halite.

What is Na Cl?

One of the most prevalent minerals on Earth is sodium chloride (NaCl), more generally known as salt. Many animals and plants require salt as nutrition. Seawater and subterranean rock formations both naturally contain sodium chloride.

Salts are ionic substances in chemical language. Most people understand salt to be the sodium chloride compound found in table salt. Ionic bonds between sodium ions and chloride ions produce sodium chloride. NaCl is the chemical formula because there is one sodium cation (Na+) for every chloride anion (Cl-). Every cell in our body depends on salt and, more specifically, the sodium ions (Na+) that are part of the salt's NaCl structure. Sodium and potassium-containing compounds are electrolytes, which are chemicals that dissolve in water and release ions.

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Answer:

1.Reduce, reuse, and recycle. Cut down on what you throw away. ...

Volunteer. Volunteer for cleanups in your community. ...

Educate. ...

Conserve water. ...

Choose sustainable. ...

Shop wisely. ...

Use long-lasting light bulbs. ...

Plant a tree.

Answer:

To provide shape and rigidity to the cells.

                                                        OR

To transfer traits from parents to offspring in the form of genes.

Explanation:

The major function of the endomembrane system is transporting substances in a cell .

Endomembrane system in eukaryotic cells refers to the collection of membranes found inside the cytoplasm that work as a unified developmental and functional unit.

With the aid of vesicle transport, the membranes are either directly or indirectly coupled and exchange material.

This system's primary job is to transport, pack, and alter proteins and lipids into and out of the cell.

The Golgi apparatus, lysosomes, nuclear membrane, endoplasmic reticulum, and vesicles are the principal organelles that make up the endomembrane system.

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Answer:

The first is by enhancing carbon storage in natural ecosystems, such as planting more forests or storing more carbon in soil. 

Explanation:

Explanation:

An endothermic reaction is a chemical reaction that absorbs (or use) energy overall.

An exothermic reaction is a chemical reaction that releases energy by light or heat.

The image depicts erosion, specifically soil erosion. Soil erosion is the gradual deterioration of soil caused by the impact of water or wind on soil particles.

Ways to prevent soil erosion :

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Answer:

The point at which you are no longer human is subjective to yourself.

Explanation:

If you replace the broken parts of a ship over decades and decades as it slowly breaks down, you don't ever have a completely different ship, even after all the parts have been replaced. Fixing something thats broken doesn't detract from what it was originally.

'Along with major storms, humans (biosphere) constructed a dam out of rock materials' (lithosphere). The lake's water (hydrosphere) seeps into the cliff walls behind the dam, eventually becoming groundwater (lithosphere) or evaporating into the atmosphere (atmosphere).

Hence, 'Along with major storms, humans (biosphere) constructed a dam out of rock materials' (lithosphere).

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Explanation:

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