what is found inside the nucleus and produces ribosomes

Answer:

600`

Explanation:

The total magnification of a microscope is obtained by multiplying the magnifying power of the ocular lens and that of the objective lens.

Mathematically.

Total magnification = ocular magnification x objective magnification

In this case, ocular magnification = 40`, objective magnification = 15`

Total magnification of the microscope system = 40 x 15

                 = 600`

Hence,  the microscope system under these conditions would be 600`.

Answer:

Similar

Explanation:

From long time ago, traits and heredities are passed down, so influence of society can be the same as certain beliefs, ideas, or values that are passed down from long time ago.

karyotype can be used unethically by-

Karyotyping is simply known as the process where the photographs of chromosomes are taken in order to known the chromosome complement of an individual, including the number of chromosomes and if an abnormalities exist.

Conclusively, Karyotyping is often used for the complete set of chromosomes in a species and also for a test that measures the number of Chromosomes.

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The process of protein synthesis involves the translation of the genetic information stored in mRNA into a sequence of amino acids, which make up a protein. This occurs in the ribosome, a large molecular complex composed of RNA and proteins.

During translation, the ribosome reads the sequence of nucleotides in the mRNA molecule and matches each three-letter codon with the corresponding amino acid. The amino acids are brought to the ribosome by transfer RNA (tRNA) molecules, which have an anticodon that recognizes and binds to the codon on the mRNA.

Once the ribosome has matched the codon with the correct amino acid, it forms a peptide bond between the amino acids, creating a growing chain of amino acids called a polypeptide. This process continues until the ribosome reaches a stop codon, which signals the end of protein synthesis.

In summary, the step of protein synthesis in which the code in mRNA is used to make a protein is called translation, which occurs in the ribosome. During translation, the ribosome matches the codons in mRNA with the appropriate amino acids and forms a polypeptide chain until it reaches a stop codon.

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The distance from point A to point B is 1320.9 feet

Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.

Let h represent the height of the light house, hence:

tan(12) = h/1292

h = 274.6 feet

Let d represent the distance from point B to the feet of the light house, hence:

tan(6) = 274.6/d

d = 2612.9 feet

The distance from point A to point B = 2612.9 feet - 1292 = 1320.9 feet

The distance from point A to point B is 1320.9 feet

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Adenosine triphosphate (ATP) and adenosine diphosphate (ADP) are two compounds found in the human body. ATP and ADP are both nucleotides, which are organic molecules that are essential to life. The correct answer is b) following hydrolysis, atp can give off one phosphate, whereas adp cannot.

The answer b) following hydrolysis, ATP can give off one phosphate, whereas ADP cannot is the only true statement among the choices provided above. ATP is a high-energy molecule that contains three phosphate groups. When ATP is broken down by the removal of a phosphate group, it releases energy. This occurs in the cell when ATP is converted to ADP (adenosine diphosphate) by the loss of one of its phosphate groups

.ATP and ADP differ by the number of phosphate groups. ATP has three phosphate groups while ADP has two. When ATP loses one phosphate group, it becomes ADP. ATP is transformed into ADP as it is broken down, and ADP is transformed back into ATP as it is synthesized.

Hydrolysis of ATP to ADP is an example of an exergonic reaction since it releases energy.

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Sara has a genetic disorder in which she does not synthesize class i mhc proteins or functional NK cells. D. She would not be able to destroy virally-infected cells. statements would be true for her

Class I MHC proteins are crucial in the immune system's ability to identify and destroy virally-infected cells. They display small fragments of viral proteins on the surface of the infected cell, allowing cytotoxic T cells (which can recognize the viral proteins) to destroy the infected cell.

Similarly, NK cells rely on class I MHC proteins to distinguish between healthy and infected cells. Without functional class I MHC proteins or NK cells, Sara's immune system would have difficulty identifying and destroying virally-infected cells, making her more susceptible to viral infections.

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Sara has a genetic disorder in which she does not synthesize class I MHC proteins or functional NK cells. Which of the following statements would be true for her? a. She would not be able to produce antibodies against viruses. b. She would be more susceptible to bacterial infections. c. She would be less susceptible to helminth infections. d. She would not be able to destroy virally-infected cells.

Membranes are B. Double-layers of phospholipids. Phospholipids are made up of a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail.

Membranes are double layers of phospholipids. In the double-layered membrane, the hydrophilic heads face the outer environment (either the extracellular space or the cytoplasm) while the hydrophobic tails face each other forming the interior of the membrane.

This phospholipid bilayer provides the basic structure of cell membranes, which acts as a barrier to separate the internal cellular environment from the external environment and helps in maintaining the integrity of the cell. In addition to phospholipids, membranes also contain other lipids such as cholesterol, proteins, and carbohydrates, which play important roles in various cellular processes.

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Synapses develop as a result of the growth of both dendrites and axons. Dendrites are the branch-like structures that extend from the cell body of a neuron and receive signals from other neurons at the synapses.

Axons are the long, slender projections that transmit signals from the cell body to other neurons or muscles. During development, dendrites and axons grow and make connections with each other to form synapses. These synapses are the key components of the neural circuitry that underlies our ability to think, feel, and move. Other factors, such as myelination, ion channels, and plasticity, also play important roles in synapse development and function. Myelination helps to speed up signal transmission along axons, ion channels allow for the flow of ions across cell membranes to create electrical signals, and plasticity allows for the strengthening or weakening of synapses in response to experience and learning.

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The spinal curvature that develops as an infant begins to hold up his or her head is the cervical curvature, which is the curve in the spine that supports the head and neck.

As the baby gains strength and control in their neck muscles, the cervical curve develops to help distribute the weight of the head more evenly throughout the spine.

The term "spinal curvature" refers to the spine's aberrant or excessive curvature, which can affect any part of the spine. The lordosis, kyphosis, and scoliosis conditions are the three most typical forms of spinal curvature.

Lordosis is an inward curve of the spine that most frequently affects the neck or lower back. It may be brought on by things like bad posture, obesity, or specific medical disorders.

A rounded or hunched back is a result of the spine's outward curvature, known as kyphosis. It frequently affects the upper back and may be brought on by osteoporosis, spinal fractures, or developmental problems.

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A inorganic is carbon dioxide,carbides,carbonates,cyanid,cyanate,thiocyanates, carbon dioxide and monoxide and much more.

Answer:

D

Explanation:

Gene expression is a regulated process

Meristematic cells of different kinds of plants may look alike, but the DNA messages are different.True

Meristematic cells are undifferentiated cells found in the growing tips of plants, such as the root and shoot tips. These cells have the ability to divide and differentiate into various specialized cell types, allowing the plant to grow and develop. While meristematic cells of different plant species may appear similar in their undifferentiated state, their DNA messages, or genetic information, are indeed different.

DNA contains the instructions for the development and functioning of an organism. Each plant species has a unique set of genes and genetic sequences that determine its characteristics, growth patterns, and responses to the environment. Therefore, even though the physical appearance of meristematic cells may be similar across different plants, the underlying DNA messages that drive their growth and development are specific to each plant species.

The DNA messages in meristematic cells encode information for cell division, differentiation, and the production of specific proteins that are essential for the plant's growth and survival. These messages are carried within the DNA molecule, which consists of a sequence of nucleotides that form genes. The specific arrangement of nucleotides in the genes determines the genetic code and ultimately the unique DNA messages of each plant species.

In summary, meristematic cells of different plants may share some morphological similarities, but their DNA messages are distinct and specific to each plant species. This genetic variation plays a crucial role in shaping the diverse range of plant forms and functions observed in the natural world.

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Reproduction is the process through which creatures produce offspring, to put it simply. All living things share this miraculous quality, which distinguishes them from inanimate objects. However, even while a species' reproductive system.

Two different types of gametes, or sex cells, are used in human reproduction. The female reproductive system must bring together sperm, the male gamete, a secondary oocyte, the female gamete, together with the first polar body and corona radiata, in order to produce a new individual.

Similarities:

Male and female reproductive systems have some fundamental similarities and some specialized distinctions. They are similar because they are homologous, which means that the majority of the reproductive organs in both sexes grow from the same embryonic tissue. Gonads, which generate sperm, eggs, or ovums, and sex organs, are present in both systems. Additionally, the reproductive organs in both systems mature and develop sexual function during puberty as a result of gonads secreting sex hormones.

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Answer:

Proper first aid treatments can save lives and reduce the severity of injuries in emergency situations. It's important for everyone to know basic first aid and for people to work together in emergency situations to provide the best possible care for those in need.

Answer:

It is important for everyone to know proper first aid treatments and to work together in order to ensure the safety of everyone in emergency situations. Knowing the proper first aid treatments can help to reduce the severity of injuries and potentially save lives. Working together in an emergency situation can help to reduce panic and ensure that everyone is taken care of in an effective and efficient manner. Additionally, working together can help to ensure that the proper medical attention is provided in a timely manner, which can make all the difference in an emergency situation.

Answer:

what is meant by I can't understand this

The main role of calcium ions at chemical synapses is to cause fusion of synaptic vesicles with the plasma membrane of the axon terminal. This process allows for the release of neurotransmitters into the synaptic cleft, which can then bind to neurotransmitter receptors on the postsynaptic cell and depolarize it.

Without the influx of calcium ions, the release of neurotransmitters and subsequent communication between neurons would not be possible.

Chemical synapses are biological connections that allow impulses to travel from neurons to non-neuronal cells, like those in muscles or glands, as well as between neurons. In the central nervous system, circuit formation is made possible via chemical synapses between neurons. They are essential to the biological calculations underlying vision and thinking. They make it possible for the nervous system to communicate with and regulate many bodily processes.

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The fluid portion of whole blood, its matrix, is commonly called plasma  Blood Tissue Blood is a connective tissue that has a fluid matrix, called plasma and no fibers.

MATRIX Connective tissue matrix is ​​composed of matrix and fibers. In normal connective tissue, the basal substance consists of water and is stabilized by glycosaminoglycans, proteoglycans, and glycoproteins. Bone contains minerals in its basic substance. In blood, the basic substance is liquid plasma.

Connective tissue is composed of cells and an extracellular matrix. The extracellular matrix is ​​composed of proteins secreted and organized by the cells within the extracellular matrix and fibers within the polysaccharide matrix. The ECM of the extracellular matrix is ​​a three-dimensional network composed of extracellular macromolecules and minerals such as collagen, enzymes, glycoproteins, and hydroxyapatite that provide structural and biochemical support to the surrounding cells.

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Answer:

¿Cuál es la función de los ácidos nucleicos?

Explanation:

Las funciones de los ácidos nucleicos tienen que ver con el almacenamiento y la expresión de información genética. El ácido desoxirribonucleico (ADN) codifica la información que la célula necesita para fabricar proteínas.

Answer: Los ácidos nucleicos son uno de los ácidos más importantes para todos los seres vivos, pues la función de los ácidos nucleicos, radica en el aporte de la información genética de los mismos. Sin duda alguna, el ADN y el ARN, los cuales son uno de los tipos de este ácido, son vitales para el organismo y la vida celular.

For native species, introduced species have served as rivals or predators & they are ignored and unmanaged since they do not interfere with human operations contributed to approximately 40% of the extinctions recorded since 1750.

So, the correct option is D, i, and iii only.

While new species emerge, some species fall extinct. That's life. The frequency and timing of extinctions both have a natural background rate: 10% of species every million years, 30% every ten million years, and 65% every hundred million years are extinct. Among the immediate dangers posed by invading species are their predation on native species, their competition with them for food or other resources, their ability to spread disease, or even their ability to stop native species from breeding or from protecting their young. Numerous species have vanished since the beginning of life on Earth, according to the fossil record.

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The answer is thanks for the extra points

Endosymbiotic Theory of Mitochondria. The endosymbiotic theory of the mitochondria which claims that some eukaryotic cell organelles were formerly prokaryotic microorganisms.

Chloroplasts and mitochondria are identical in size to prokaryotic cells and divide by binary fission. The DNA in mitochondria and chloroplasts is circular rather than linear.

Evidences of endosymbiotic theory are as follows:

Membranes: Just like prokaryotic cells, mitochondria have their own cell membranes.

DNA: Each mitochondrion h a unique circular DNA genome that is far smaller than the genome of a bacterium.

Reproduction: By pinching themselves in half, mitochondria reproduce, a method also adopted by bacteria.

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Answer:

movement of ions or molecules across cell membrane aided by transport protein against the concentration gradient.

Explanation:

need to mention movement of ions/molecules

uses carrier proteins/transport protein

require ATP

against concentration gradient (low to high)

Answer:sediment

Explanation:

A lycophyte forest can be different from a forest of large ferns or seed plants because lycophytes have single leaves that separate them from all other plant groups. Its leaves, known as microphylls, have only one vein that runs the length of the leaf. All lycophyte plants are herbaceous, so no species grows wood, which would make this forest easily dependent on climatic conditions.

The most popularly known lycophyte is Selaginella. Selaginella are the best known lycophytes. In Botanical Science, the young leaves of ferns are called crosiers: they are born rolled up and resemble the shape of a staff or cane. When adults are called frond.

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The role of glutamine synthetase in protein catabolism is: (iii)  the reaction catalyzed by glutamine synthetase removes excess nitrogen (in the form of toxic ammonia) from protein degradation.

Glutamine synthetase is an enzyme. It condenses glutamate and ammonia to form glutamine. It controls the use of nitrogen inside cells. The location of the enzyme in the body is:  brain, kidneys, and liver.

Protein degradation is carried out by a process called ubiquitination where ubiquitin tags are added to the protein destined for degradation. The ubiquitin tags are not added randomly instead they are added  to the amino group of the side chain of a lysine residue.

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Answer:

we know that the molecules in a solid are very close together and don't have much room to move

Explanation:

common knowledge really. how exactly do you not know this..?

either way, I'm a kind person so here's a Jay Jay pic cuz this answer is fairly short and very, VERY obvious