The unicellular green alga chlorella is often used as a model organism to study the effects of various substances on the growth of photosynthetic organisms. Researchers studying the detoxification of certain metals by chlorella first collected data on the growth dynamics of the alga. A small number of chlorella were added to 1,500 ml of culture medium that contained all of the inorganic nutrients needed for growth. Every five days for 30 days, the researchers performed multiple counts to determine the concentration of chlorella in the culture (table 1).

Alternately, the DNA strand that is correctly complementary to 5'-TACGATCATAT-3' is: 3'-ATGCTAGTATA-5"&#.

The "5 prime end" of a nucleic acid strand has a free hydroxide ions (or phosphorus) on a 5' carbon as well as the "3 prime end" does have a free hydroxide ions (or phosphorus) on a 3' carbon. The carbon in the sugar ring have been counted from 1' to 5'.

The deoxyribose sugar molecule's number of carbon atoms that a phosphate group attaches to is indicated by the numbers 3′ and 5′. Beginning with oxygen atom, the carbon atoms in sugar were numbered clockwise. Because of this asymmetry, the DNA strand has a "direction," as well as the nucleotides are transcribed from 5′ to.

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Plants bend towards the light due to a phenomenon known as phototropism.

Phototropism is the growth response of a plant to light. The plant hormones, such as auxins, play a crucial role in the bending of the plant towards the light source.

The auxins are unevenly distributed in the plant cells, with a higher concentration on the shaded side. This causes the cells on the shaded side to grow longer, resulting in the bending of the plant towards the light source.

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Rough endoplasmic reticulum is the system of membrane saccules that is studded with ribosomes and capable of producing proteins.

What do you mean by membrane?

A membrane is a thin, semi-permeable barrier that separates two environments, such as cells or organelles inside a cell, or the body and its environment. It is typically composed of lipids, proteins, and carbohydrates that are arranged in a phospholipid bilayer. Membranes allow certain substances to pass through while blocking others, thus regulating the movement of materials and energy.

Rough endoplasmic reticulum (ER) is a network of interconnected membranes within the cell that extends throughout the cytoplasm. It has a rough appearance due to the presence of ribosomes attached to the outer surface of the membrane. These ribosomes are responsible for the production of proteins. The ER is the site of protein synthesis as the ribosomes attached to the outer membrane of the ER synthesize proteins according to the instructions of the messenger RNA (mRNA). The proteins that are produced in this process are then transported to other compartments of the cell, such as the Golgi apparatus, for further processing. In addition, the ER also plays a role in the transport of lipids, carbohydrates and other molecules throughout the cell.

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The greatest amount of oxygen could be drawn out of the respiratory media by blue whale species.

Compared to oxygen-depleted blood, the air in the lungs has a higher oxygen content and a lower carbon dioxide content. During respiration, gas exchange is made possible by this concentration gradient.

amoeba, In amoebas and other unicellular organisms, the cell membrane serves as a respiratory surface for the exchange of gases such as carbon dioxide and oxygen.

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Peristalsis are the waves like contractions that help in moving food along the digestive tract.

The muscles that line your gastrointestinal track automatically contract and relax in a wave-like motion known as peristalsis. Peristalsis, which starts in the throat when you swallow and continues through the esophagus, stomach, and intestines as you digest, is the movement of food through your digestive system.

Through the myenteric plexus, the parasympathetic nervous system (PNS) stimulates peristalsis. The myenteric plexus' afferent (sensory) nerves transmit data to interneurons inside the plexus. Interneurons interact with efferent nerves to cause smooth muscle cells to produce an action potential (spike-wave).

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The student should avoid light in the wavelength range of 550-600 nm due to lack of pigments.

To measure the activity of the chloroplasts at different wavelengths, the student needs to use a broad range of light wavelengths and avoid using a specific wavelength of light that the chloroplasts cannot absorb.

Of the options given, red light (which has a wavelength range of 620 nm to 750 nm) would be the best choice to avoid in the experiment. This is because red light is absorbed strongly by chlorophyll a and b, which are the primary pigments involved in photosynthesis, and it may interfere with the measurement of activity at other wavelengths.

On the other hand, blue, orange, yellow, and violet light are not strongly absorbed by chlorophylls and can be used in the experiment to measure activity at different wavelengths.

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An autoimmune and inflammatory condition known as rheumatoid arthritis (RA) is caused when your immune system unintentionally attacks healthy cells in your body, resulting in inflammation (painful swelling) in the affected regions.

The joints are the main targets of RA, which frequently targets many joints at once. A specific sort of autoimmune illness is rheumatoid arthritis. Normally, your immune system works to keep your body healthy and free from sickness and infection. When you have rheumatoid arthritis, your immune system attacks healthy joint tissue. Also, it may cause problems with your nerves, eyes, skin, heart, and lungs. An autoimmune condition called rheumatoid arthritis causes the joints to deteriorate and become inflamed due to the body's own immune system.

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In a patch of animal cell membrane about 10 μm in area - B) There will be about an equal number of proteins and lipids.

The majority of plasma membranes are composed of roughly 50% lipid and 50% protein by weight; the carbohydrate components of glycolipids and glycoproteins make up 5–10% of the membrane composition.

phospholipids-

The phospholipids are the most prevalent type of membrane lipid. Two hydrophobic hydrocarbon tails and a polar head group are present.

Typically, the tails are fatty acids, and they might vary in length (they normally contain between 14 and 24 carbon atoms). One tail is typically unsaturated (containing one or more cis-double bonds), whereas the other tail is not (i.e., it is saturated). Figure 10-2 demonstrates how each double bond causes a slight kink in the tail. The fluidity of the membrane is affected by variations in the length and saturation of the fatty acid tails because these factors affect how tightly phospholipid molecules may pack together.

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The right electrode will be positive and the voltmeter will show a voltage of approximately 0.762 volts.

In a galvanic cell, the electrode that is immersed in the solution with a higher concentration of ions will have a lower concentration of electrons and will become the positive electrode, while the electrode immersed in the solution with a lower concentration of ions will become the negative electrode. The voltage is a measure of the potential difference between the two electrodes, and is proportional to the logarithm of the concentration ratio of the ions in the two solutions.

In this case, since the concentration of M(NO3)3 is much higher in the left half-cell than in the right half-cell, the left electrode will become the negative electrode and the right electrode will become the positive electrode, with a voltage of approximately 0.762 volts as measured by the voltmeter.

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Complete Question:

A certain metal M forms a soluble nitrate salt M(NO3)3 . Suppose the left half cell of a galvanic cell apparatus is filled with a 2.50M solution of M(NO3)3 and the right half cell with a 12.5mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 20.0°C.

Which electrode will be positive? Left of Right

What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode.

Fermentation is another anaerobic(non-oxygen-requiring) pathway for breaking down glucose, one that is performed by numerous types of organisms and cells.

In fermentation, the only energy birth pathway is glycolysis, with one or two redundant responses turned on at the end. turmoil and cellular respiration begin the same way, with glycolysis. In turmoil, still, the pyruvate made in glycolysis doesn't continue through oxidation and the citric acid cycle, and the electron transport chain doesn't run.

Because the electron transport chain is not functional. turmoil is the process in which a substance breaks down into a simpler substance. turmoil refers to the metabolic process by which organic motes( substantially carbohydrates, similar as bounce or a sugar) are converted into acids, feasts, or alcohol in the absence of oxygen or any electron transport chain.

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Incoming radiation is 70%, reflection radiation is 30% of the solar energy that reaches earth's atmosphere is absorbed by the atmosphere.

What is atmosphere ?

The atmosphere is one of the fundamental elements of Earth's interconnected physical systems. The layers of gases that surround a planet or other celestial body make up its atmosphere. Around 78% of the gases in the Earth's atmosphere are nitrogen, 21% are oxygen, and 1% are other gases.

What is solar energy ?

Simply said, solar energy is the heat and light that the sun produces. There are several ways that people can use the energy that the sun provides: photovoltaic cells, which turn sunshine into electricity. Solar thermal technology uses the heat from the sun to produce hot water or steam.

Therefore, Incoming radiation is 70%, reflection radiation is 30% of the solar energy that reaches earth's atmosphere is absorbed by the atmosphere.

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In a scientific setting, a hypothesis (plural: hypotheses) is a tested claim regarding the relationship between two or more variables or a suggested explanation for a phenomenon that has been observed.

The hypothesis is a succinct statement of the researcher's expectation of the study's findings, which may or may not be confirmed by the results, in a scientific experiment or study.

The scientific method's fundamental step is hypothesis testing.

It is customary to refer to the researcher's prediction as the alternative hypothesis and any other result as the null hypothesis, or, more simply put, the opposite of what was anticipated.

Therefore, In a scientific setting, a hypothesis (plural: hypotheses) is a tested claim regarding the relationship between two or more variables or a suggested explanation for a phenomenon that has been observed.

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A woman's ovum will complete meiosis II only if fertilization has occurred.----- True

When a sperm cell fertilizes the female ovum in the oviduct or fallopian tube, meiosis is complete.

The next step is to fertilize the egg. The process by which a single sperm gradually penetrates an egg's layers to form a new cell is referred to as fertilization. This can take up to 24 hours and usually happens in the fallopian tubes.

To move the sperm toward the fallopian tubes, the uterus and sperm cooperate. The sperm and egg can join together if an egg is moving through your fallopian tubes at the same time. Before it dies, the sperm has up to six days to join an egg.

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We should focus more on growing trees rather than simply planting trees because mature trees provide a good source to the economy along with reducing the bills.

Trees definitely deliver a significant contribution to their surroundings by giving oxygen, sustaining species, improving air quality, saving water, maintaining soil, and reducing climate change.

It provides more than it gets by concentrating on its principal job of photosynthesis. Trees always provide many resources, such as food, to a community. Trees mitigate the Urban Heat Island Effect and store and sequester carbon. They are important for habitat.

They also have a high rate of photosynthesis through which oxygen is liberated at a fast rate.

Therefore, we should ultimately focus more on growing trees rather than simply planting trees.

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The given statement "Right renal artery longer than the left renal artery" is true because in order to reach the right kidney, it needs to pass behind the inferior vena cava.

The renal arteries are basically the part of our circulatory system. They happen to carry large amounts of blood from the aorta (which is the heart’s main artery) all the way to the kidneys. Approximately half a cup of blood passes through the kidneys from these renal arteries every minute.

We have two renal arteries, one for each of our kidneys. The right renal artery basically connects to the right kidney whereas the left renal artery connects to our left kidney. The right renal artery is comparatively longer than the left renal artery as it has to go behind the inferior vena cava in order to reach our right kidney.

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Villi are small, finger-like projections that protrude from the lining of the small intestine. They are made up of specialized cells called enterocytes and are an important part of the digestive system.

The function of villi is to increase the surface area of the small intestine, which allows for more efficient absorption of nutrients from food. The villi are covered in even smaller projections called microvilli, which further increase the surface area available for absorption.

As food passes through the small intestine, nutrients such as glucose, amino acids, and fatty acids are absorbed by the enterocytes in the villi and transported into the bloodstream. The villi also play a role in the immune system, as they contain specialized immune cells that help to protect the body from harmful microorganisms.

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During cell division (mitosis/meiosis), nondisjunction occurs when sister chromatids or homologous chromosomes are unable to correctly separate from one another.

A pair of homologous chromosomes failing to split in meiosis I, sister chromatids failing to separate in meiosis II, and sister chromatids failing to separate in mitosis are the three types of nondisjunction. Sister chromatids or homologous chromosomal pairs fail to split during meiosis, resulting in nondisjunction. With the parents' ages, the likelihood of nondisjunction rises.

Meiosis I and II both have nondisjunction, but the outcomes are different. There will be two gametes without the homologous chromosome and two gametes with two copies of it if homologous chromosomes fail to split during meiosis I.

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Answer:

make me

Explanation:666

Human cells divide in diverse ways during meiosis and mitosis. Referencing the locations and types of products used in each procedure will help you compare the two.

They give the body structure, absorb nutrients from meals, turn these into energy, and perform certain tasks.  As in the case of bacteria or yeast, a human cell is frequently an entire organism unto itself. As they develop, other cells acquire specialised roles.

The method through which yeasts turn carbohydrates into carbon dioxide and alcohol is highly effective.

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Answer:

During cellular respiration, glucose becomes more oxidized as it is broken down and releases energy.

Explanation:

During cellular respiration, glucose undergoes a process of oxidation. In other words, it becomes more oxidized as it is broken down into smaller molecules and releases energy.

Oxidation is a chemical reaction in which a molecule loses electrons, making it more positively charged. During cellular respiration, electrons are stripped from glucose and transferred to oxygen, which combines with hydrogen ions to form water. This transfer of electrons results in the conversion of glucose into smaller, more highly oxidized molecules, such as carbon dioxide and water.

Plasma is the liquid portion of blood. About 55% of our blood is plasma and the remaining 45% are red blood cells, white blood cells, and platelets that are hovered in the plasma. Plasma is about 92% water.

Plasma also comprises 7% vital proteins such as albumin, gamma globulin, and anti-hemophilic factor, and 1% mineral salts, sugars, fats, hormones, and vitamins. Plasma assists to sustain blood pressure and blood volume. It pools essential proteins for blood clotting and immunity. It also brings electrolytes such as sodium and potassium to our muscles. Plasma also assists to sustain a proper pH balance in the body, which endorses cell function.

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In the back of your brain, the cranial nerves start. Your neurological system depends on them in important ways. Your brain is connected to 12 pairs of nerves, 11 of which are located in your peripheral nervous system.

These are known as cranial nerves (the second cranial nerve, which controls your vision, is part of your central nervous system). In terms of anatomy, your brain, not your somatic nervous system, is what the cranial nerve (CN) II, which links to your eyes, is.

The 31 spinal nerves that make up your somatic nervous system are connected further down. Your body's nerves, which travel throughout it, branch out from the spinal nerves in more ways.

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Both are created by the fusion of several lymphatic capillaries, also known as beginning lymphatics, which are blind-ended vessels with a single endothelial layer that are present in almost all tissues.

Tissues: A collection of cells that work as a single unit and have a similar structure are referred to as tissues. The body's tissues give it form and aid in energy storage and heat retention.

Explain tissue. Tissue refers to soft, thin, flexible, and absorbent products made from wood like recycled paper. The tissues that bring to mind include those we see and use frequently, including napkins, toilet paper, and facial tissues. Paper used for gift-wrapping is also tissue.

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Cellular respiration is an illustration of an energy-releasing mechanism, whereas Photosynthesis is a reaction that takes the sun's energy to generate sugars.

This ability to do tasks is what scientists refer to as energy. People have figured out how to transform energy from one type to the another and then utilize it to accomplish tasks, making modern civilization possible.

The description of energy also as "power to accomplish work" refers to the capacity to exert a force that moves an object. Even if the word is vague, it is clear what energy actually means: it refers to the force that causes objects to move.

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Answer:

Ribosomes

Explanation:

hope this helps!

Only prokaryotic plants have centrioles; eukaryotic plant cells lack these organelles.

Two barrel-shaped organelles called centrioles are found in the cytoplasm of animal cells, adjacent to the nuclear envelope.. The skeletal framework of the cell, the microtubules, are organized by centrioles. They aid in identifying the locations of the cell's nucleus and other organelles.

The division of cells is an issue for the centriole. As the cell cycle progresses, they aid in the creation of the spindle fibers that divide the chromosomes.

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cells' protein barriers. In a process called as modification, the enzymes dismantle the starch's protective protein walls and break them down for digestion.

Is peanut butter a good source of protein?

As a source of protein and a source of heart-healthy fats, peanut butter can be useful for vegetarians trying to increase their protein intake. Up to 8 g of protein plus 2 to 3 milligrams of fiber are found in a 2-tablespoon dose of butter.

Gives you adequate protein 2 eggs?

You can fulfill your hunger with 12 grams of protein from two eggs. Eat the entire egg to get the full amount of protein as half of it is in the yolk. According to recent studies, eating whole eggs instead of simply the egg whites increases muscle strength and lean muscle growth.

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This statement can be found in the "Methods" or "Procedure" section of a lab report.

The methods and procedure section of a lab report typically describes the steps that were taken in a laboratory experiment in order to observe, test, or measure a particular phenomenon. This section is used to provide a detailed and standardized account of how the experiment was conducted so that other researchers can replicate the results.

This section provides a detailed description of the steps taken to carry out the experiment and is where the statement "To examine the activity of cells under a microscope" would be included.

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Microspore is the male spore known as in angiosperm reproduction.

Micropore are small haploid structures that develop to the male gametophyte,whereas megaspore develop into female gametophyte

The microspore divides by mitosis producing two cells. The first of the cells (the generative cell) is small and is formed inside the second larger cell (the tube cell). The members of each part of the microspores separate from each other. A double-layered wall then develops around each microspore.

These steps occur in sequence and when complete, the microspores have become pollen grains. Microspore embryogenesis is said used in biotechnology to produce double haploid plants, which are immediately fixed as homozygous for each locus in only one generation. The haploid microspore is then stressed to trigger the embryogenesis pathway and the resulting haploid embryo then doubles its genome spontaneously. Without this double haploid situation, there are several breeding methods of the generations of selection to produce a pure homozygous line.

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The key function of photosynthesis is to convert solar energy into chemical energy and then store that chemical energy for the future use.

The primary purpose of photosynthesis is to convert radiant energy from  sun into chemical energy that can be used for food. Cellular respiration is a process that occurs in mitochondria of organisms to break down sugar in the presence of oxygen and to release energy in form of ATP.

Plants are autotrophs  and they use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant can use as fuel. These primary producers form the base of ecosystem and fuel next trophic levels.

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