i need this as soon as possible​

Answer:

c. Where the components of the lever are located.

It is false that with nissl staining, we can see a rough boundary of a neuron soma, but with dapi staining, it is hard to determine the soma boundary.

The vicinity of the neuron containing the nucleus is referred to as the cell frame, soma, or perikaryon. The cell frame is the metabolic middle of the neuron.

What is the feature of soma in neuron?

The Soma or cell frame of a neuron includes the nucleus and different systems not unusual place to residing cells. These systems aid the chemical processing of the neuron; the maximum crucial of that's the manufacturing of neurotransmitters.

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During the first meiotic division homologous chromosome pairs separate. Option D.

Homologous cell pairs exist in meiosis I and separate into chromosomes before meiosis II. At meiosis II, these chromosomes are further divided into sister chromatids. Crossover or recombination of genetic material between pairs of chromosomes occurs in meiosis I, but not in meiosis II.

Cytokinesis is responsible for dividing the cell membrane and cytoplasm to form two new cells. At the end of meiosis I there are two daughter cells. Each chromosome has two chromatids but each cell has only one original homologous chromosome. They are therefore considered haploid. Two sister chromatids separate from each other into two different cells during mitosis or the second division of meiosis.

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The transfer of matter and flow of energy from one trophic level to another within an ecosystem begins with producers because they are the base of the pyramid.

An ecosystem may be defined as a place or an area where members of different species live together and interact with one another for the purpose of food, shelter, space, and mating partner.

The producers capture the light energy from the sun and transform it into chemical energy in order to synthesize food which is then transferred to other trophic levels of an ecosystem in a sequential manner. There is a loss of matter from one level to another since some are lost as fecal matter because they could not be processed.

The identical methodology happens in the case of the energy from one level to the other. The energy decreases since a part is lost as heat, and the animal uses a part of it to stay alive. As a consequence of this decrease in energy, the higher levels receive less energy than the ones in the lower part of the pyramid.

Therefore, the producers perform their functions and initiate the process through which residues from all the levels obtain their food and start the cycle again.

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Answer: its a

Explanation: its a

Answer: mitosis

Explanation:

The Translation initiated is Option D.All of the listed answers are correct.

At the initiation of translation ribosomes and tRNA bind to the mRNA. tRNA is located at the first docking site of the ribosome. The anticodon of this tRNA is complementary to the start codon of the mRNA where translation begins. After binding to the mRNA, the ribosome initiates translation at the start codon AUG and moves the mRNA transcript one codon at a time until it reaches the stop codon.

When tRNA recognizes and binds to the corresponding codon in the ribosome, it transfers the corresponding amino acid to the end of the growing amino acid chain. tRNA and ribosomes then continue to decode the mRNA molecule until the entire sequence is translated into protein. tRNA acts as an adapter molecule during the translation process. Formerly known as soluble RNA or sRNA. As an adapter, it connects amino acids to nucleic acids.

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Sociopolitical Context refers to laws, regulations, practices, values, and beliefs within a community in terms of social and political life.

They confront and shape basic issues pertaining to citizenship, identities, trust, and values. They also have an effect on how inclusive a state is politically.

The term "sociopolitical context" is used to describe the rules, laws, policies, practices, customs, values, and beliefs that exist when social life and political life converge in the field of multicultural education and throughout the social sciences.

The persistent and growing structural and social inequality that leads to poverty, substandard housing, limited access to healthcare, and unemployment is likely the most important feature of the sociopolitical setting.

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If a scientist is monitoring cytokinesis in a cell, then the scientist must be witnessing Anaphase

In biology, cytokinesis is the process through which a single cell physically divides into two. Cytokinesis, which occurs throughout embryonic development as well as tissue growth and repair in higher plants and animals, is the primary reproductive activity of unicellular organisms.

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Channel proteins are a form of facilitated diffusion in which molecules are moved throughout the membrane thru a protein, without the usage of power. Channel proteins most effectively flow particular substances, which are determined by their charge, length, and shape.

Channel proteins span the membrane and make hydrophilic tunnels across it, permitting their target molecules to skip through by using diffusion. Channels are very selective and could receive the simplest kind of molecule (or some closely related molecules) for shipping.

With the aid of forming a non-stop protein pathway throughout the membrane, those proteins allow unique hydrophilic solutes to move the membrane without entering direct contact with the hydrophobic indoors of the lipid bilayer. carrier proteins and channel proteins are the two essential lessons of membrane transport proteins.

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Channel proteins move only specific substances.

The specific size of the ion-selective filter allows only specific solutes to passively cross the lipid bilayer through the aqueous pores. The narrowest part of the channel protein allows only molecules with a specific charge and size to pass. Each type of carrier protein has one or more specific binding sites for that solute.

Moves solutes across the lipid bilayer by undergoing a reversible conformational change that alternately exposes the solute binding site first on one side of the membrane and then on the other. By forming a continuous protein pathway across the membrane, these proteins allow certain hydrophilic solutes to cross the membrane without direct contact with the hydrophobic interior of the lipid bilayer. Carrier proteins and channel proteins are two major classes of membrane transport proteins.

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The correct option is B. A cell within the organism will have two sets of chromosomes, one from each parent, identical to the pair of chromosomes in all cells in the body.

When the two sexual gametes, one from the mother (ovum) and the other from the father (sperm) fuse, fertilization occurs, this generates the formation of the zygote that will later generate the fetus. Each of the gametes will have genetic material and a genetic recombination will be generated.

So, in reproduction there will be 23 pairs of chromosomes in each cell with half of the genes from each parent and a pair of sex chromosomes that tells us the sex of the individual.

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What is true about the chromosomes within the cells of a sexually reproductive organism?

A. A cell within the organism will have two sets of chromosomes, one from each parent, and each type of specialized cell has different genes

B. A cell within the organism will have two sets of chromosomes, one from each parent, identical to the pair of chromosomes in all cells in the body

C. A cell within the organism will have two genetically identical sets of chromosomes and every chromosome in the body will be genetically identical

D. Half of the cells from the organism will have chromosomes from one parent and the other half of cells will have chromosomes from the other parent​

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Growth factors are organic compounds that must be synthesized by the organism.

An organic compound like amino acid, nitrogenous base, or nutrition that cannot be synthesized through an organism & should be supplied as a nutrient increase factor. Example: all cells require 20 different amino acids for correct meeting of proteins.

Growth elements may be derived from numerous sources, including epidermal cells, human foreskin, placental cells, colostrum, recombinant bacteria, yeast, and plants. Growth elements also can be produced biosynthetically.

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Sedation, hypnosis, anxiolytics, pain killers, & anticonvulsants are only a few of benzodiazepines' effects. It functions by amplifying the current that the GABA agonist causes.

Specific cell membranes structures that serve as receptors. They mostly consist of proteins that connect to ligands and activate the immune system. These receptors are found on a variety of immune cells, such as B cells, T cells, progenitors, & monocytes.

Receptors are chemical compounds made of proteins that are employed in pharmacology and biochemistry to receive & translate signals that could be incorporated onto biological systems.

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There are lot of similarities and differences between Australopithecus afarensis   and hominis.

Australopithecus afarensis characteristics:

Not Australopithecus afarensis Characteristics:

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The mass will increase, decrease, or stay the same as this reaction support the law of conservation of mass because the mass of the rusted nail equals the mass of iron and the oxygen from the air it reacted with to form the rust.

The Law of conservation of mass states that in a closed system mass is neither created nor destroyed, but it is rather constant through out the process and this law validates the fact that the mass of the reactant is equal to the mass of the product in a closed system.

This reaction support the law of conservation of mass because The mass of the rusted nail equals the mass of iron and the oxygen from the air it reacted with to form the rust.

Therefore, The mass will increase, decrease, or stay the same as this reaction support the law of conservation of mass because the mass of the rusted nail equals the mass of iron and the oxygen from the air it reacted with to form the rust.

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Molecularly, a gene is an organized unit of DNA sequences that can be transcribed into RNA.

The general laboratory technique of determining a DNA molecule's exact sequence of nucleotides, or bases, the exact sequence of nucleotides, or bases, in a DNA molecule is referred to as DNA sequencing. The bases' sequence (often referred to by the first letters of their chemical names: A, T, C, and G) encrypts the biological material used by cells to develop and function.

Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains that coil around one another to form a double helix. The polymer contains genetic instructions for all known organisms and viruses' development, functioning, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.

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Answer:

– Students should observe a purple/black color inside the dialysis tubing. IIId. Starch diffusion (cont.) The purple/black color indicates that iodine molecules have passed into the dialysis tubing and reacted with the starch inside the tubing.

Explanation:

I took a test6 and this was right. A

In noncyclic photophosphorylation, electrons flow in a one-way path from water to NADP+.

Photophosphorylation refers to the phosphorylation of ADP to produce ATP during the photosynthesis process. Under aerobic and anaerobic conditions, cyclic photophosphorylation takes place, with sunlight serving as the primary source of energy for living things. The universal energy unit of life is a phosphate molecule called ATP, which is produced by all organisms. In photophosphorylation, protons are pumped across a biological membrane using light energy. This process is mediated by the movement of electrons through an electron transport chain. Proton gradient energy is stored in this way. ATP is produced from ADP and inorganic phosphate as the protons return through the enzyme ATP synthase. The Calvin cycle relies on ATP to help with the production of carbohydrates from carbon dioxide and NADPH.

Cyclic photophosphorylation is the name given to the photophosphorylation procedure that leads to the cyclic movement of electrons during the synthesis of ATP molecules. In this procedure, plant cells only convert ADP to ATP to provide the cells with immediate energy. Non-cyclic photophosphorylation is the name given to the photophosphorylation procedure that causes the electrons to move non-cyclically in order to synthesise ATP molecules using the energy from excited electrons supplied by photosystem II.

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Answer: It is present at high concentration at the anterior end and low concentration at the posterior end

Explanation:Gene expression in developing organisms is regulated on several different levels.

Action potential propagation down the T tubule most directly triggers the release of calcium from the terminal cisternae.

The action potential travels down the t-tubules and excites the sarcoplasmic reticulum, causing calcium to be released. When calcium binds to troponin, it causes conformational changes in the sarcomere. As a result, the interaction of the sarcomere's thick and thin filaments causes muscle contraction. As the action potential travels down the T-tubules in cardiac muscle cells, it activates L-type calcium channels in the T-tubular membrane. Calcium enters the cell when the L-type calcium channel is activated.

A sarcomere is a myocyte's basic contractile unit. Sarcomeres are made up of two main protein filaments (thin actin and thick myosin filaments), which are responsible for muscular contraction.

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A proprioceptor detects: chemical stimuli painful stimuli light stimuli stimuli from viscera (internal organs) stimuli pertaining to body movement and limb position stimuli.

A visceral feeling is intuitive — there may not be a rational rationalization, however you sense which you recognise what's best, like your visceral reaction against egg salad. Your hatred of mice might not be rational, however it's far visceral, and whenever you see one, you sense like you are going to faint.

Viscera. within the have a look at of anatomy, viscera (singular viscus) refers back to the internal organs of the belly, thoracic, and pelvic cavities. The abdominal organs may be classed as solid organs, or hollow organs. The stable organs are the liver, pancreas, spleen, kidneys, and adrenal glands.

The phrase viscera comes from Latin, in which it has basically the equal that means. something visceral has to do with the viscera, and in a greater figurative sense, something visceral is felt "deep down." Even in the early years of its use, visceral frequently noted things emotional as opposed to physiological.

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Excessive deposition of iron throughout the body is called hemochromatosis leading to increase in iron level.

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Answer: genotype: All Rr

Phenotypes: all red

Explanation:

Mark observes that the cells have dissolved, destroying the cell walls.

What is a Microscope?

A microscope is a device that produces enlarged images of small objects, allowing the observer to get an extremely close look at minute structures at a scale suitable for examination and analysis.

Although optical microscopes are the focus of this article, an image can be magnified using a variety of other wave forms, such as acoustic, X-ray, or electron beam, and received via direct or digital imaging, or a combination of these methods.

The microscope may produce a dynamic image (as with conventional optical instruments) or a static image (as with conventional scanning electron microscopes).

A microscope's magnifying power is a dimensionless ratio that expresses the number of times the object being examined appears to be enlarged. It is usually written in the form 10 (for an image magnified 10-fold),

Photography through a microscope can capture images of interest, a technique known as photomicrography.

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Answer:

The science is very important in the evolution and the improvement of the lifestyles of the human being. The researches in the sciences help in providing conclusions, which are helpful in day to day life. The technologies and innovations make life easier by providing various tools and techniques. Also, the researches in the science provide chance to improve lifestyle by providing scientific knowledge to improve the ethics, education, justice, aesthetics etc.

Explanation:

Brainliest please!

5 ways to have good sexual health are: (1) maintain proper hygiene, (2) get tested for STDs in case of risk,(3)  maintain healthy lifestyle and avoid alcohol, (4) have proper conversations with your partner, and (5) use barrier method of contraception.

STD stands for Sexually Transmitted Diseases. These diseases are generally spread through sexual contact but caused due to pathogens like bacteria. virus, etc. The examples include: Chlamydia. Gonorrhea. Genital Herpes. Hepatitis, etc.

Barrier method of contraception includes use of external barriers to prevent pregnancy. These barriers can be spermicide, condoms, cervical cap, etc. These barriers also help in prevention of contracting the STDs.

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Answer:

D

Explanation:

I got it right on my assignment

Only the light-independent reactions produce sugars, but they depend on products of the light-dependent reaction- this sentence best describes the relationship between the two sets of reactions of photosynthesis, which are the light-dependent reactions and the light-independent reactions.

What is photosynthesis?

Through a process known as photosynthesis, plants and other living organisms convert light energy into chemical energy that can later be released through cellular respiration to power the activities of the organism.

ATP and NADPH are produced by the light-dependent reactions and utilized by the light-independent reactions.

Hence the correct option is D; Only the light-independent reactions produce sugars, but they depend on products of the light-dependent reaction

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This peptide will contain the amino acids methionine, tryptophan, valine, tyrosine, and serine in that order.

A gene is created by fusing sections of two distinct genes. Fusion genes and the proteins that result from them can be created in a lab or arise naturally in the body when a portion of one chromosome's DNA travels to another.

A peptide or protein's primary structure (or sequence) is always shown left to right, starting with the amino terminus and moving toward the carboxy terminus.

The steps for peptide sequencing by mass spectrometry are as follows. Proteins are initially broken down into smaller peptides. Prior to the examination, these peptides are ionized and transported from a liquid chromatography column into a mass spectrometer.

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c. cell division would result in fewer cells with damaged dna.

If the p53 gene mutates and no longer functions leads to the activation of a number of genes whose products trigger cell-cycle arrest, apoptosis, or DNA repair.

Mutations (changes) in the p53 gene may cause cancer cells to grow and spread in the body. The p53 gene is also a type of tumor suppressor gene. The major role of p53 protein in cell division is that it detects DNA damage and reason why it is not fixed, the p53 protein will initiate apoptosis. This would put a stop in dividing cell  in order to prevent uncontrolled cell growth that might lead to a tumor.

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The number of genetically separate offsprings produced by two parents is 10,000 possible combinations if each parent can create 100 genetically diverse gametes.

Genetically speaking, neither the beginning cell nor the gametes produced during meiosis are similar to one another. The homologous pair orientation during metaphase of meiosis I and crossing over produced this assortment of potential gametes. Through a process known as crossing-over, which involves taking genes from the male and female chromosomes and resulting in a process of meiosis occurring, which results in the evenly splitting of the chromosomes, the explanation that proves the theory of the offspring having genes from both parent generations is demonstrated. A greater number of genetically distinct individuals within the same species is referred to as genetic diversity. It happens as a result of gene recombination during the inheritance process. The genetic diversity varies over time and space. One of the most important components of genetic diversity is sexual reproduction, which uses a combination of parental genes to create unique children. Genetic diversity is also a result of gene mutation, genetic drift, and gene flow.

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